30 files changed, 540 insertions, 225 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index fccd8b548d93..dc234c508a6f 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -122,7 +122,7 @@ extern struct acpi_mcfg_allocation *pci_mmcfg_config;
 extern int pci_mmcfg_config_num;
 
 extern int sbf_port;
-extern unsigned long acpi_video_flags;
+extern unsigned long acpi_realmode_flags;
 
 #else   /* !CONFIG_ACPI */
 
diff --git a/include/linux/aio.h b/include/linux/aio.h
index b903fc02bdb7..d10e608f232d 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -86,7 +86,7 @@ struct kioctx;
  */
 struct kiocb {
         struct list_head        ki_run_list;
-        long                    ki_flags;
+        unsigned long           ki_flags;
         int                     ki_users;
         unsigned                ki_key;         /* id of this request */
 
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index e1a708337be3..91c8c07fe8b7 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -6,11 +6,13 @@
 struct pt_regs;
 
 /*
- * MAX_ARG_PAGES defines the number of pages allocated for arguments
- * and envelope for the new program. 32 should suffice, this gives
- * a maximum env+arg of 128kB w/4KB pages!
+ * These are the maximum length and maximum number of strings passed to the
+ * execve() system call.  MAX_ARG_STRLEN is essentially random but serves to
+ * prevent the kernel from being unduly impacted by misaddressed pointers.
+ * MAX_ARG_STRINGS is chosen to fit in a signed 32-bit integer.
  */
-#define MAX_ARG_PAGES 32
+#define MAX_ARG_STRLEN (PAGE_SIZE * 32)
+#define MAX_ARG_STRINGS 0x7FFFFFFF
 
 /* sizeof(linux_binprm->buf) */
 #define BINPRM_BUF_SIZE 128
@@ -24,7 +26,12 @@ struct pt_regs;
  */
 struct linux_binprm{
         char buf[BINPRM_BUF_SIZE];
+#ifdef CONFIG_MMU
+        struct vm_area_struct *vma;
+#else
+# define MAX_ARG_PAGES  32
         struct page *page[MAX_ARG_PAGES];
+#endif
         struct mm_struct *mm;
         unsigned long p; /* current top of mem */
         int sh_bang;
@@ -40,6 +47,7 @@ struct linux_binprm{
         unsigned interp_flags;
         unsigned interp_data;
         unsigned long loader, exec;
+        unsigned long argv_len;
 };
 
 #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0
@@ -68,7 +76,7 @@ extern int register_binfmt(struct linux_binfmt *);
 extern int unregister_binfmt(struct linux_binfmt *);
 
 extern int prepare_binprm(struct linux_binprm *);
-extern void remove_arg_zero(struct linux_binprm *);
+extern int __must_check remove_arg_zero(struct linux_binprm *);
 extern int search_binary_handler(struct linux_binprm *,struct pt_regs *);
 extern int flush_old_exec(struct linux_binprm * bprm);
 
@@ -85,6 +93,7 @@ extern int suid_dumpable;
 extern int setup_arg_pages(struct linux_binprm * bprm,
                            unsigned long stack_top,
                            int executable_stack);
+extern int bprm_mm_init(struct linux_binprm *bprm);
 extern int copy_strings_kernel(int argc,char ** argv,struct linux_binprm *bprm);
 extern void compute_creds(struct linux_binprm *binprm);
 extern int do_coredump(long signr, int exit_code, struct pt_regs * regs);
diff --git a/include/linux/coda_linux.h b/include/linux/coda_linux.h
index e4ac016ad272..c4079b403e9e 100644
--- a/include/linux/coda_linux.h
+++ b/include/linux/coda_linux.h
@@ -43,9 +43,6 @@ int coda_revalidate_inode(struct dentry *);
 int coda_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 int coda_setattr(struct dentry *, struct iattr *);
 
-/* global variables */
-extern int coda_fake_statfs;
-
 /* this file:  heloers */
 static __inline__ struct CodaFid *coda_i2f(struct inode *);
 static __inline__ char *coda_i2s(struct inode *);
diff --git a/include/linux/coda_proc.h b/include/linux/coda_proc.h
deleted file mode 100644
index 0dc1b0458e75..000000000000
--- a/include/linux/coda_proc.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * coda_statis.h
- * 
- * CODA operation statistics
- *
- * (c) March, 1998
- * by Michihiro Kuramochi, Zhenyu Xia and Zhanyong Wan
- * zhanyong.wan@yale.edu
- *
- */
-
-#ifndef _CODA_PROC_H
-#define _CODA_PROC_H
-
-void coda_sysctl_init(void);
-void coda_sysctl_clean(void);
-
-#include <linux/sysctl.h>
-#include <linux/coda_fs_i.h>
-#include <linux/coda.h>
-
-/* these four files are presented to show the result of the statistics:
- *
- *      /proc/fs/coda/vfs_stats
- *                    cache_inv_stats
- *
- * these four files are presented to reset the statistics to 0:
- *
- *      /proc/sys/coda/vfs_stats
- *                     cache_inv_stats
- */
-
-/* VFS operation statistics */
-struct coda_vfs_stats 
-{
-        /* file operations */
-        int open;
-        int flush;
-        int release;
-        int fsync;
-
-        /* dir operations */
-        int readdir;
-  
-        /* inode operations */
-        int create;
-        int lookup;
-        int link;
-        int unlink;
-        int symlink;
-        int mkdir;
-        int rmdir;
-        int rename;
-        int permission;
-
-        /* symlink operatoins*/
-        int follow_link;
-        int readlink;
-};
-
-/* cache invalidation statistics */
-struct coda_cache_inv_stats
-{
-        int flush;
-        int purge_user;
-        int zap_dir;
-        int zap_file;
-        int zap_vnode;
-        int purge_fid;
-        int replace;
-};
-
-/* these global variables hold the actual statistics data */
-extern struct coda_vfs_stats            coda_vfs_stat;
-
-#endif /* _CODA_PROC_H */
diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h
index b541bb3d1f4b..aa8f454b3b77 100644
--- a/include/linux/coda_psdev.h
+++ b/include/linux/coda_psdev.h
@@ -8,11 +8,6 @@
 
 struct kstatfs;
 
-struct coda_sb_info
-{
-        struct venus_comm *sbi_vcomm;
-};
-
 /* communication pending/processing queues */
 struct venus_comm {
         u_long              vc_seq;
@@ -24,9 +19,9 @@ struct venus_comm {
 };
 
 
-static inline struct coda_sb_info *coda_sbp(struct super_block *sb)
+static inline struct venus_comm *coda_vcp(struct super_block *sb)
 {
-    return ((struct coda_sb_info *)((sb)->s_fs_info));
+        return (struct venus_comm *)((sb)->s_fs_info);
 }
 
 
@@ -74,8 +69,6 @@ int venus_statfs(struct dentry *dentry, struct kstatfs *sfs);
 
 
 /* messages between coda filesystem in kernel and Venus */
-extern int coda_hard;
-extern unsigned long coda_timeout;
 struct upc_req {
         struct list_head    uc_chain;
         caddr_t             uc_data;
@@ -85,7 +78,6 @@ struct upc_req {
         u_short             uc_opcode;  /* copied from data to save lookup */
         int                 uc_unique;
         wait_queue_head_t   uc_sleep;   /* process' wait queue */
-        unsigned long       uc_posttime;
 };
 
 #define REQ_ASYNC  0x1
diff --git a/include/linux/edac.h b/include/linux/edac.h
new file mode 100644
index 000000000000..eab451e69a91
--- /dev/null
+++ b/include/linux/edac.h
@@ -0,0 +1,29 @@
+/*
+ * Generic EDAC defs
+ *
+ * Author: Dave Jiang <djiang@mvista.com>
+ *
+ * 2006-2007 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ *
+ */
+#ifndef _LINUX_EDAC_H_
+#define _LINUX_EDAC_H_
+
+#include <asm/atomic.h>
+
+#define EDAC_OPSTATE_INVAL      -1
+#define EDAC_OPSTATE_POLL       0
+#define EDAC_OPSTATE_NMI        1
+#define EDAC_OPSTATE_INT        2
+
+extern int edac_op_state;
+extern int edac_err_assert;
+extern atomic_t edac_handlers;
+
+extern int edac_handler_set(void);
+extern void edac_atomic_assert_error(void);
+
+#endif
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 2d38b1a74662..c8e02de737f6 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -25,7 +25,7 @@ static inline int freezing(struct task_struct *p)
 /*
  * Request that a process be frozen
  */
-static inline void freeze(struct task_struct *p)
+static inline void set_freeze_flag(struct task_struct *p)
 {
         set_tsk_thread_flag(p, TIF_FREEZE);
 }
@@ -33,7 +33,7 @@ static inline void freeze(struct task_struct *p)
 /*
  * Sometimes we may need to cancel the previous 'freeze' request
  */
-static inline void do_not_freeze(struct task_struct *p)
+static inline void clear_freeze_flag(struct task_struct *p)
 {
         clear_tsk_thread_flag(p, TIF_FREEZE);
 }
@@ -56,7 +56,7 @@ static inline int thaw_process(struct task_struct *p)
                 wake_up_process(p);
                 return 1;
         }
-        clear_tsk_thread_flag(p, TIF_FREEZE);
+        clear_freeze_flag(p);
         task_unlock(p);
         return 0;
 }
@@ -129,7 +129,8 @@ static inline void set_freezable(void)
 #else
 static inline int frozen(struct task_struct *p) { return 0; }
 static inline int freezing(struct task_struct *p) { return 0; }
-static inline void freeze(struct task_struct *p) { BUG(); }
+static inline void set_freeze_flag(struct task_struct *p) {}
+static inline void clear_freeze_flag(struct task_struct *p) {}
 static inline int thaw_process(struct task_struct *p) { return 1; }
 
 static inline void refrigerator(void) {}
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9562a59b3703..d33beadd9a43 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -697,20 +697,26 @@ struct fown_struct {
  * Track a single file's readahead state
  */
 struct file_ra_state {
-        unsigned long start;            /* Current window */
-        unsigned long size;
-        unsigned long flags;            /* ra flags RA_FLAG_xxx*/
-        unsigned long cache_hit;        /* cache hit count*/
-        unsigned long prev_index;       /* Cache last read() position */
-        unsigned long ahead_start;      /* Ahead window */
-        unsigned long ahead_size;
+        pgoff_t start;                  /* where readahead started */
+        unsigned long size;             /* # of readahead pages */
+        unsigned long async_size;       /* do asynchronous readahead when
+                                           there are only # of pages ahead */
+
         unsigned long ra_pages;         /* Maximum readahead window */
         unsigned long mmap_hit;         /* Cache hit stat for mmap accesses */
         unsigned long mmap_miss;        /* Cache miss stat for mmap accesses */
+        unsigned long prev_index;       /* Cache last read() position */
         unsigned int prev_offset;       /* Offset where last read() ended in a page */
 };
-#define RA_FLAG_MISS 0x01       /* a cache miss occured against this file */
-#define RA_FLAG_INCACHE 0x02    /* file is already in cache */
+
+/*
+ * Check if @index falls in the readahead windows.
+ */
+static inline int ra_has_index(struct file_ra_state *ra, pgoff_t index)
+{
+        return (index >= ra->start &&
+                index <  ra->start + ra->size);
+}
 
 struct file {
         /*
@@ -1463,7 +1469,7 @@ extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *);
 extern int register_chrdev_region(dev_t, unsigned, const char *);
 extern int register_chrdev(unsigned int, const char *,
                            const struct file_operations *);
-extern int unregister_chrdev(unsigned int, const char *);
+extern void unregister_chrdev(unsigned int, const char *);
 extern void unregister_chrdev_region(dev_t, unsigned);
 extern int chrdev_open(struct inode *, struct file *);
 extern void chrdev_show(struct seq_file *,off_t);
diff --git a/include/linux/genetlink.h b/include/linux/genetlink.h
index f7a93770e1be..7da02c93002b 100644
--- a/include/linux/genetlink.h
+++ b/include/linux/genetlink.h
@@ -39,6 +39,9 @@ enum {
         CTRL_CMD_NEWOPS,
         CTRL_CMD_DELOPS,
         CTRL_CMD_GETOPS,
+        CTRL_CMD_NEWMCAST_GRP,
+        CTRL_CMD_DELMCAST_GRP,
+        CTRL_CMD_GETMCAST_GRP, /* unused */
         __CTRL_CMD_MAX,
 };
 
@@ -52,6 +55,7 @@ enum {
         CTRL_ATTR_HDRSIZE,
         CTRL_ATTR_MAXATTR,
         CTRL_ATTR_OPS,
+        CTRL_ATTR_MCAST_GROUPS,
         __CTRL_ATTR_MAX,
 };
 
@@ -66,4 +70,13 @@ enum {
 
 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
 
+enum {
+        CTRL_ATTR_MCAST_GRP_UNSPEC,
+        CTRL_ATTR_MCAST_GRP_NAME,
+        CTRL_ATTR_MCAST_GRP_ID,
+        __CTRL_ATTR_MCAST_GRP_MAX,
+};
+
+#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
+
 #endif  /* __LINUX_GENERIC_NETLINK_H */
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 12c5e4e3135a..1fcb0033179e 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -103,21 +103,6 @@ __alloc_zeroed_user_highpage(gfp_t movableflags,
 #endif
 
 /**
- * alloc_zeroed_user_highpage - Allocate a zeroed HIGHMEM page for a VMA
- * @vma: The VMA the page is to be allocated for
- * @vaddr: The virtual address the page will be inserted into
- *
- * This function will allocate a page for a VMA that the caller knows will
- * not be able to move in the future using move_pages() or reclaim. If it
- * is known that the page can move, use alloc_zeroed_user_highpage_movable
- */
-static inline struct page *
-alloc_zeroed_user_highpage(struct vm_area_struct *vma, unsigned long vaddr)
-{
-        return __alloc_zeroed_user_highpage(0, vma, vaddr);
-}
-
-/**
  * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move
  * @vma: The VMA the page is to be allocated for
  * @vaddr: The virtual address the page will be inserted into
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 23adf6075ae4..51464d12a4e5 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -116,9 +116,12 @@ struct kprobe {
  */
 struct jprobe {
         struct kprobe kp;
-        kprobe_opcode_t *entry; /* probe handling code to jump to */
+        void *entry;    /* probe handling code to jump to */
 };
 
+/* For backward compatibility with old code using JPROBE_ENTRY() */
+#define JPROBE_ENTRY(handler)   (handler)
+
 DECLARE_PER_CPU(struct kprobe *, current_kprobe);
 DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
 
@@ -211,6 +214,7 @@ int longjmp_break_handler(struct kprobe *, struct pt_regs *);
 int register_jprobe(struct jprobe *p);
 void unregister_jprobe(struct jprobe *p);
 void jprobe_return(void);
+unsigned long arch_deref_entry_point(void *);
 
 int register_kretprobe(struct kretprobe *rp);
 void unregister_kretprobe(struct kretprobe *rp);
diff --git a/include/linux/lguest.h b/include/linux/lguest.h
new file mode 100644
index 000000000000..500aace21ca7
--- /dev/null
+++ b/include/linux/lguest.h
@@ -0,0 +1,85 @@
+/* Things the lguest guest needs to know.  Note: like all lguest interfaces,
+ * this is subject to wild and random change between versions. */
+#ifndef _ASM_LGUEST_H
+#define _ASM_LGUEST_H
+
+#ifndef __ASSEMBLY__
+#include <asm/irq.h>
+
+#define LHCALL_FLUSH_ASYNC      0
+#define LHCALL_LGUEST_INIT      1
+#define LHCALL_CRASH            2
+#define LHCALL_LOAD_GDT         3
+#define LHCALL_NEW_PGTABLE      4
+#define LHCALL_FLUSH_TLB        5
+#define LHCALL_LOAD_IDT_ENTRY   6
+#define LHCALL_SET_STACK        7
+#define LHCALL_TS               8
+#define LHCALL_SET_CLOCKEVENT   9
+#define LHCALL_HALT             10
+#define LHCALL_GET_WALLCLOCK    11
+#define LHCALL_BIND_DMA         12
+#define LHCALL_SEND_DMA         13
+#define LHCALL_SET_PTE          14
+#define LHCALL_SET_PMD          15
+#define LHCALL_LOAD_TLS         16
+
+#define LG_CLOCK_MIN_DELTA      100UL
+#define LG_CLOCK_MAX_DELTA      ULONG_MAX
+
+#define LGUEST_TRAP_ENTRY 0x1F
+
+static inline unsigned long
+hcall(unsigned long call,
+      unsigned long arg1, unsigned long arg2, unsigned long arg3)
+{
+        asm volatile("int $" __stringify(LGUEST_TRAP_ENTRY)
+                     : "=a"(call)
+                     : "a"(call), "d"(arg1), "b"(arg2), "c"(arg3)
+                     : "memory");
+        return call;
+}
+
+void async_hcall(unsigned long call,
+                 unsigned long arg1, unsigned long arg2, unsigned long arg3);
+
+/* Can't use our min() macro here: needs to be a constant */
+#define LGUEST_IRQS (NR_IRQS < 32 ? NR_IRQS: 32)
+
+#define LHCALL_RING_SIZE 64
+struct hcall_ring
+{
+        u32 eax, edx, ebx, ecx;
+};
+
+/* All the good stuff happens here: guest registers it with LGUEST_INIT */
+struct lguest_data
+{
+/* Fields which change during running: */
+        /* 512 == enabled (same as eflags) */
+        unsigned int irq_enabled;
+        /* Interrupts blocked by guest. */
+        DECLARE_BITMAP(blocked_interrupts, LGUEST_IRQS);
+
+        /* Virtual address of page fault. */
+        unsigned long cr2;
+
+        /* Async hypercall ring.  0xFF == done, 0 == pending. */
+        u8 hcall_status[LHCALL_RING_SIZE];
+        struct hcall_ring hcalls[LHCALL_RING_SIZE];
+
+/* Fields initialized by the hypervisor at boot: */
+        /* Memory not to try to access */
+        unsigned long reserve_mem;
+        /* ID of this guest (used by network driver to set ethernet address) */
+        u16 guestid;
+        /* KHz for the TSC clock. */
+        u32 tsc_khz;
+
+/* Fields initialized by the guest at boot: */
+        /* Instruction range to suppress interrupts even if enabled */
+        unsigned long noirq_start, noirq_end;
+};
+extern struct lguest_data lguest_data;
+#endif /* __ASSEMBLY__ */
+#endif  /* _ASM_LGUEST_H */
diff --git a/include/linux/lguest_bus.h b/include/linux/lguest_bus.h
new file mode 100644
index 000000000000..c9b4e05fee49
--- /dev/null
+++ b/include/linux/lguest_bus.h
@@ -0,0 +1,48 @@
+#ifndef _ASM_LGUEST_DEVICE_H
+#define _ASM_LGUEST_DEVICE_H
+/* Everything you need to know about lguest devices. */
+#include <linux/device.h>
+#include <linux/lguest.h>
+#include <linux/lguest_launcher.h>
+
+struct lguest_device {
+        /* Unique busid, and index into lguest_page->devices[] */
+        unsigned int index;
+
+        struct device dev;
+
+        /* Driver can hang data off here. */
+        void *private;
+};
+
+/* By convention, each device can use irq index+1 if it wants to. */
+static inline int lgdev_irq(const struct lguest_device *dev)
+{
+        return dev->index + 1;
+}
+
+/* dma args must not be vmalloced! */
+void lguest_send_dma(unsigned long key, struct lguest_dma *dma);
+int lguest_bind_dma(unsigned long key, struct lguest_dma *dmas,
+                    unsigned int num, u8 irq);
+void lguest_unbind_dma(unsigned long key, struct lguest_dma *dmas);
+
+/* Map the virtual device space */
+void *lguest_map(unsigned long phys_addr, unsigned long pages);
+void lguest_unmap(void *);
+
+struct lguest_driver {
+        const char *name;
+        struct module *owner;
+        u16 device_type;
+        int (*probe)(struct lguest_device *dev);
+        void (*remove)(struct lguest_device *dev);
+
+        struct device_driver drv;
+};
+
+extern int register_lguest_driver(struct lguest_driver *drv);
+extern void unregister_lguest_driver(struct lguest_driver *drv);
+
+extern struct lguest_device_desc *lguest_devices; /* Just past max_pfn */
+#endif /* _ASM_LGUEST_DEVICE_H */
diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h
new file mode 100644
index 000000000000..0ba414a40c80
--- /dev/null
+++ b/include/linux/lguest_launcher.h
@@ -0,0 +1,73 @@
+#ifndef _ASM_LGUEST_USER
+#define _ASM_LGUEST_USER
+/* Everything the "lguest" userspace program needs to know. */
+/* They can register up to 32 arrays of lguest_dma. */
+#define LGUEST_MAX_DMA          32
+/* At most we can dma 16 lguest_dma in one op. */
+#define LGUEST_MAX_DMA_SECTIONS 16
+
+/* How many devices?  Assume each one wants up to two dma arrays per device. */
+#define LGUEST_MAX_DEVICES (LGUEST_MAX_DMA/2)
+
+struct lguest_dma
+{
+        /* 0 if free to be used, filled by hypervisor. */
+        u32 used_len;
+        unsigned long addr[LGUEST_MAX_DMA_SECTIONS];
+        u16 len[LGUEST_MAX_DMA_SECTIONS];
+};
+
+struct lguest_block_page
+{
+        /* 0 is a read, 1 is a write. */
+        int type;
+        u32 sector;     /* Offset in device = sector * 512. */
+        u32 bytes;      /* Length expected to be read/written in bytes */
+        /* 0 = pending, 1 = done, 2 = done, error */
+        int result;
+        u32 num_sectors; /* Disk length = num_sectors * 512 */
+};
+
+/* There is a shared page of these. */
+struct lguest_net
+{
+        /* Simply the mac address (with multicast bit meaning promisc). */
+        unsigned char mac[6];
+};
+
+/* Where the Host expects the Guest to SEND_DMA console output to. */
+#define LGUEST_CONSOLE_DMA_KEY 0
+
+/* We have a page of these descriptors in the lguest_device page. */
+struct lguest_device_desc {
+        u16 type;
+#define LGUEST_DEVICE_T_CONSOLE 1
+#define LGUEST_DEVICE_T_NET     2
+#define LGUEST_DEVICE_T_BLOCK   3
+
+        u16 features;
+#define LGUEST_NET_F_NOCSUM             0x4000 /* Don't bother checksumming */
+#define LGUEST_DEVICE_F_RANDOMNESS      0x8000 /* IRQ is fairly random */
+
+        u16 status;
+/* 256 and above are device specific. */
+#define LGUEST_DEVICE_S_ACKNOWLEDGE     1 /* We have seen device. */
+#define LGUEST_DEVICE_S_DRIVER          2 /* We have found a driver */
+#define LGUEST_DEVICE_S_DRIVER_OK       4 /* Driver says OK! */
+#define LGUEST_DEVICE_S_REMOVED         8 /* Device has gone away. */
+#define LGUEST_DEVICE_S_REMOVED_ACK     16 /* Driver has been told. */
+#define LGUEST_DEVICE_S_FAILED          128 /* Something actually failed */
+
+        u16 num_pages;
+        u32 pfn;
+};
+
+/* Write command first word is a request. */
+enum lguest_req
+{
+        LHREQ_INITIALIZE, /* + pfnlimit, pgdir, start, pageoffset */
+        LHREQ_GETDMA, /* + addr (returns &lguest_dma, irq in ->used_len) */
+        LHREQ_IRQ, /* + irq */
+        LHREQ_BREAK, /* + on/off flag (on blocks until someone does off) */
+};
+#endif /* _ASM_LGUEST_USER */
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 14c937d345cb..0e843bf65877 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -1,7 +1,8 @@
 /*
  * Runtime locking correctness validator
  *
- *  Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ *  Copyright (C) 2006,2007 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ *  Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
  *
  * see Documentation/lockdep-design.txt for more details.
  */
@@ -9,6 +10,7 @@
 #define __LINUX_LOCKDEP_H
 
 struct task_struct;
+struct lockdep_map;
 
 #ifdef CONFIG_LOCKDEP
 
@@ -114,8 +116,44 @@ struct lock_class {
 
         const char                      *name;
         int                             name_version;
+
+#ifdef CONFIG_LOCK_STAT
+        unsigned long                   contention_point[4];
+#endif
+};
+
+#ifdef CONFIG_LOCK_STAT
+struct lock_time {
+        s64                             min;
+        s64                             max;
+        s64                             total;
+        unsigned long                   nr;
+};
+
+enum bounce_type {
+        bounce_acquired_write,
+        bounce_acquired_read,
+        bounce_contended_write,
+        bounce_contended_read,
+        nr_bounce_types,
+
+        bounce_acquired = bounce_acquired_write,
+        bounce_contended = bounce_contended_write,
 };
 
+struct lock_class_stats {
+        unsigned long                   contention_point[4];
+        struct lock_time                read_waittime;
+        struct lock_time                write_waittime;
+        struct lock_time                read_holdtime;
+        struct lock_time                write_holdtime;
+        unsigned long                   bounces[nr_bounce_types];
+};
+
+struct lock_class_stats lock_stats(struct lock_class *class);
+void clear_lock_stats(struct lock_class *class);
+#endif
+
 /*
  * Map the lock object (the lock instance) to the lock-class object.
  * This is embedded into specific lock instances:
@@ -124,6 +162,9 @@ struct lockdep_map {
         struct lock_class_key           *key;
         struct lock_class               *class_cache;
         const char                      *name;
+#ifdef CONFIG_LOCK_STAT
+        int                             cpu;
+#endif
 };
 
 /*
@@ -165,6 +206,10 @@ struct held_lock {
         unsigned long                   acquire_ip;
         struct lockdep_map              *instance;
 
+#ifdef CONFIG_LOCK_STAT
+        u64                             waittime_stamp;
+        u64                             holdtime_stamp;
+#endif
         /*
          * The lock-stack is unified in that the lock chains of interrupt
          * contexts nest ontop of process context chains, but we 'separate'
@@ -281,6 +326,30 @@ struct lock_class_key { };
 
 #endif /* !LOCKDEP */
 
+#ifdef CONFIG_LOCK_STAT
+
+extern void lock_contended(struct lockdep_map *lock, unsigned long ip);
+extern void lock_acquired(struct lockdep_map *lock);
+
+#define LOCK_CONTENDED(_lock, try, lock)                        \
+do {                                                            \
+        if (!try(_lock)) {                                      \
+                lock_contended(&(_lock)->dep_map, _RET_IP_);    \
+                lock(_lock);                                    \
+        }                                                       \
+        lock_acquired(&(_lock)->dep_map);                       \
+} while (0)
+
+#else /* CONFIG_LOCK_STAT */
+
+#define lock_contended(lockdep_map, ip) do {} while (0)
+#define lock_acquired(lockdep_map) do {} while (0)
+
+#define LOCK_CONTENDED(_lock, try, lock) \
+        lock(_lock)
+
+#endif /* CONFIG_LOCK_STAT */
+
 #if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_GENERIC_HARDIRQS)
 extern void early_init_irq_lock_class(void);
 #else
diff --git a/include/linux/mm.h b/include/linux/mm.h
index a5c451816fdc..c456c3a1c28e 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -168,6 +168,8 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_INSERTPAGE   0x02000000      /* The vma has had "vm_insert_page()" done on it */
 #define VM_ALWAYSDUMP   0x04000000      /* Always include in core dumps */
 
+#define VM_CAN_NONLINEAR 0x08000000     /* Has ->fault & does nonlinear pages */
+
 #ifndef VM_STACK_DEFAULT_FLAGS          /* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
 #endif
@@ -190,6 +192,30 @@ extern unsigned int kobjsize(const void *objp);
  */
 extern pgprot_t protection_map[16];
 
+#define FAULT_FLAG_WRITE        0x01    /* Fault was a write access */
+#define FAULT_FLAG_NONLINEAR    0x02    /* Fault was via a nonlinear mapping */
+
+
+/*
+ * vm_fault is filled by the the pagefault handler and passed to the vma's
+ * ->fault function. The vma's ->fault is responsible for returning a bitmask
+ * of VM_FAULT_xxx flags that give details about how the fault was handled.
+ *
+ * pgoff should be used in favour of virtual_address, if possible. If pgoff
+ * is used, one may set VM_CAN_NONLINEAR in the vma->vm_flags to get nonlinear
+ * mapping support.
+ */
+struct vm_fault {
+        unsigned int flags;             /* FAULT_FLAG_xxx flags */
+        pgoff_t pgoff;                  /* Logical page offset based on vma */
+        void __user *virtual_address;   /* Faulting virtual address */
+
+        struct page *page;              /* ->fault handlers should return a
+                                         * page here, unless VM_FAULT_NOPAGE
+                                         * is set (which is also implied by
+                                         * VM_FAULT_ERROR).
+                                         */
+};
 
 /*
  * These are the virtual MM functions - opening of an area, closing and
@@ -199,9 +225,11 @@ extern pgprot_t protection_map[16];
 struct vm_operations_struct {
         void (*open)(struct vm_area_struct * area);
         void (*close)(struct vm_area_struct * area);
-        struct page * (*nopage)(struct vm_area_struct * area, unsigned long address, int *type);
-        unsigned long (*nopfn)(struct vm_area_struct * area, unsigned long address);
-        int (*populate)(struct vm_area_struct * area, unsigned long address, unsigned long len, pgprot_t prot, unsigned long pgoff, int nonblock);
+        int (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);
+        struct page *(*nopage)(struct vm_area_struct *area,
+                        unsigned long address, int *type);
+        unsigned long (*nopfn)(struct vm_area_struct *area,
+                        unsigned long address);
 
         /* notification that a previously read-only page is about to become
          * writable, if an error is returned it will cause a SIGBUS */
@@ -655,7 +683,6 @@ static inline int page_mapped(struct page *page)
  */
 #define NOPAGE_SIGBUS   (NULL)
 #define NOPAGE_OOM      ((struct page *) (-1))
-#define NOPAGE_REFAULT  ((struct page *) (-2))  /* Return to userspace, rerun */
 
 /*
  * Error return values for the *_nopfn functions
@@ -669,16 +696,18 @@ static inline int page_mapped(struct page *page)
  * Used to decide whether a process gets delivered SIGBUS or
  * just gets major/minor fault counters bumped up.
  */
-#define VM_FAULT_OOM    0x00
-#define VM_FAULT_SIGBUS 0x01
-#define VM_FAULT_MINOR  0x02
-#define VM_FAULT_MAJOR  0x03
-
-/* 
- * Special case for get_user_pages.
- * Must be in a distinct bit from the above VM_FAULT_ flags.
- */
-#define VM_FAULT_WRITE  0x10
+
+#define VM_FAULT_MINOR  0 /* For backwards compat. Remove me quickly. */
+
+#define VM_FAULT_OOM    0x0001
+#define VM_FAULT_SIGBUS 0x0002
+#define VM_FAULT_MAJOR  0x0004
+#define VM_FAULT_WRITE  0x0008  /* Special case for get_user_pages */
+
+#define VM_FAULT_NOPAGE 0x0100  /* ->fault installed the pte, not return page */
+#define VM_FAULT_LOCKED 0x0200  /* ->fault locked the returned page */
+
+#define VM_FAULT_ERROR  (VM_FAULT_OOM | VM_FAULT_SIGBUS)
 
 #define offset_in_page(p)       ((unsigned long)(p) & ~PAGE_MASK)
 
@@ -762,20 +791,10 @@ static inline void unmap_shared_mapping_range(struct address_space *mapping,
 
 extern int vmtruncate(struct inode * inode, loff_t offset);
 extern int vmtruncate_range(struct inode * inode, loff_t offset, loff_t end);
-extern int install_page(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, struct page *page, pgprot_t prot);
-extern int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long pgoff, pgprot_t prot);
 
 #ifdef CONFIG_MMU
-extern int __handle_mm_fault(struct mm_struct *mm,struct vm_area_struct *vma,
+extern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
                         unsigned long address, int write_access);
-
-static inline int handle_mm_fault(struct mm_struct *mm,
-                        struct vm_area_struct *vma, unsigned long address,
-                        int write_access)
-{
-        return __handle_mm_fault(mm, vma, address, write_access) &
-                                (~VM_FAULT_WRITE);
-}
 #else
 static inline int handle_mm_fault(struct mm_struct *mm,
                         struct vm_area_struct *vma, unsigned long address,
@@ -789,7 +808,6 @@ static inline int handle_mm_fault(struct mm_struct *mm,
 
 extern int make_pages_present(unsigned long addr, unsigned long end);
 extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
-void install_arg_page(struct vm_area_struct *, struct page *, unsigned long);
 
 int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, unsigned long start,
                 int len, int write, int force, struct page **pages, struct vm_area_struct **vmas);
@@ -806,9 +824,15 @@ int FASTCALL(set_page_dirty(struct page *page));
 int set_page_dirty_lock(struct page *page);
 int clear_page_dirty_for_io(struct page *page);
 
+extern unsigned long move_page_tables(struct vm_area_struct *vma,
+                unsigned long old_addr, struct vm_area_struct *new_vma,
+                unsigned long new_addr, unsigned long len);
 extern unsigned long do_mremap(unsigned long addr,
                                unsigned long old_len, unsigned long new_len,
                                unsigned long flags, unsigned long new_addr);
+extern int mprotect_fixup(struct vm_area_struct *vma,
+                          struct vm_area_struct **pprev, unsigned long start,
+                          unsigned long end, unsigned long newflags);
 
 /*
  * A callback you can register to apply pressure to ageable caches.
@@ -1104,9 +1128,7 @@ extern void truncate_inode_pages_range(struct address_space *,
                                        loff_t lstart, loff_t lend);
 
 /* generic vm_area_ops exported for stackable file systems */
-extern struct page *filemap_nopage(struct vm_area_struct *, unsigned long, int *);
-extern int filemap_populate(struct vm_area_struct *, unsigned long,
-                unsigned long, pgprot_t, unsigned long, int);
+extern int filemap_fault(struct vm_area_struct *, struct vm_fault *);
 
 /* mm/page-writeback.c */
 int write_one_page(struct page *page, int wait);
@@ -1121,13 +1143,20 @@ int do_page_cache_readahead(struct address_space *mapping, struct file *filp,
                         pgoff_t offset, unsigned long nr_to_read);
 int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
                         pgoff_t offset, unsigned long nr_to_read);
-unsigned long page_cache_readahead(struct address_space *mapping,
-                          struct file_ra_state *ra,
-                          struct file *filp,
-                          pgoff_t offset,
-                          unsigned long size);
-void handle_ra_miss(struct address_space *mapping, 
-                    struct file_ra_state *ra, pgoff_t offset);
+
+void page_cache_sync_readahead(struct address_space *mapping,
+                               struct file_ra_state *ra,
+                               struct file *filp,
+                               pgoff_t offset,
+                               unsigned long size);
+
+void page_cache_async_readahead(struct address_space *mapping,
+                                struct file_ra_state *ra,
+                                struct file *filp,
+                                struct page *pg,
+                                pgoff_t offset,
+                                unsigned long size);
+
 unsigned long max_sane_readahead(unsigned long nr);
 
 /* Do stack extension */
@@ -1135,6 +1164,8 @@ extern int expand_stack(struct vm_area_struct *vma, unsigned long address);
 #ifdef CONFIG_IA64
 extern int expand_upwards(struct vm_area_struct *vma, unsigned long address);
 #endif
+extern int expand_stack_downwards(struct vm_area_struct *vma,
+                                  unsigned long address);
 
 /* Look up the first VMA which satisfies  addr < vm_end,  NULL if none. */
 extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long addr);
diff --git a/include/linux/namei.h b/include/linux/namei.h
index b7dd24917f0d..6c38efbd810f 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -69,8 +69,8 @@ extern int FASTCALL(__user_walk_fd(int dfd, const char __user *, unsigned, struc
 #define user_path_walk_link(name,nd) \
         __user_walk_fd(AT_FDCWD, name, 0, nd)
 extern int FASTCALL(path_lookup(const char *, unsigned, struct nameidata *));
-extern int FASTCALL(path_walk(const char *, struct nameidata *));
-extern int FASTCALL(link_path_walk(const char *, struct nameidata *));
+extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
+                           const char *, unsigned int, struct nameidata *);
 extern void path_release(struct nameidata *);
 extern void path_release_on_umount(struct nameidata *);
 
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 2e23353c28a5..83d8239f0cce 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -161,6 +161,8 @@ extern struct sock *netlink_kernel_create(int unit, unsigned int groups,
                                           void (*input)(struct sock *sk, int len),
                                           struct mutex *cb_mutex,
                                           struct module *module);
+extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);
+extern void netlink_clear_multicast_users(struct sock *sk, unsigned int group);
 extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err);
 extern int netlink_has_listeners(struct sock *sk, unsigned int group);
 extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);
diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h
index 78feb7beff75..5cd192469096 100644
--- a/include/linux/nfsd/export.h
+++ b/include/linux/nfsd/export.h
@@ -116,18 +116,7 @@ struct svc_expkey {
 #define EX_NOHIDE(exp)          ((exp)->ex_flags & NFSEXP_NOHIDE)
 #define EX_WGATHER(exp)         ((exp)->ex_flags & NFSEXP_GATHERED_WRITES)
 
-static inline int EX_RDONLY(struct svc_export *exp, struct svc_rqst *rqstp)
-{
-        struct exp_flavor_info *f;
-        struct exp_flavor_info *end = exp->ex_flavors + exp->ex_nflavors;
-
-        for (f = exp->ex_flavors; f < end; f++) {
-                if (f->pseudoflavor == rqstp->rq_flavor)
-                        return f->flags & NFSEXP_READONLY;
-        }
-        return exp->ex_flags & NFSEXP_READONLY;
-}
-
+int nfsexp_flags(struct svc_rqst *rqstp, struct svc_export *exp);
 __be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp);
 
 /*
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 576f2bb34cc8..be3f2bb6fcf3 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -212,5 +212,11 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
 #define CPU_DEAD_FROZEN         (CPU_DEAD | CPU_TASKS_FROZEN)
 #define CPU_DYING_FROZEN        (CPU_DYING | CPU_TASKS_FROZEN)
 
+/* Hibernation and suspend events */
+#define PM_HIBERNATION_PREPARE  0x0001 /* Going to hibernate */
+#define PM_POST_HIBERNATION     0x0002 /* Hibernation finished */
+#define PM_SUSPEND_PREPARE      0x0003 /* Going to suspend the system */
+#define PM_POST_SUSPEND         0x0004 /* Suspend finished */
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_NOTIFIER_H */
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 731cd2ac3227..209d3a47f50f 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -90,6 +90,9 @@
 #define PG_reclaim              17      /* To be reclaimed asap */
 #define PG_buddy                19      /* Page is free, on buddy lists */
 
+/* PG_readahead is only used for file reads; PG_reclaim is only for writes */
+#define PG_readahead            PG_reclaim /* Reminder to do async read-ahead */
+
 /* PG_owner_priv_1 users should have descriptive aliases */
 #define PG_checked              PG_owner_priv_1 /* Used by some filesystems */
 #define PG_pinned               PG_owner_priv_1 /* Xen pinned pagetable */
@@ -186,37 +189,15 @@ static inline void SetPageUptodate(struct page *page)
 #define __SetPagePrivate(page)  __set_bit(PG_private, &(page)->flags)
 #define __ClearPagePrivate(page) __clear_bit(PG_private, &(page)->flags)
 
+/*
+ * Only test-and-set exist for PG_writeback.  The unconditional operators are
+ * risky: they bypass page accounting.
+ */
 #define PageWriteback(page)     test_bit(PG_writeback, &(page)->flags)
-#define SetPageWriteback(page)                                          \
-        do {                                                            \
-                if (!test_and_set_bit(PG_writeback,                     \
-                                &(page)->flags))                        \
-                        inc_zone_page_state(page, NR_WRITEBACK);        \
-        } while (0)
-#define TestSetPageWriteback(page)                                      \
-        ({                                                              \
-                int ret;                                                \
-                ret = test_and_set_bit(PG_writeback,                    \
-                                        &(page)->flags);                \
-                if (!ret)                                               \
-                        inc_zone_page_state(page, NR_WRITEBACK);        \
-                ret;                                                    \
-        })
-#define ClearPageWriteback(page)                                        \
-        do {                                                            \
-                if (test_and_clear_bit(PG_writeback,                    \
-                                &(page)->flags))                        \
-                        dec_zone_page_state(page, NR_WRITEBACK);        \
-        } while (0)
-#define TestClearPageWriteback(page)                                    \
-        ({                                                              \
-                int ret;                                                \
-                ret = test_and_clear_bit(PG_writeback,                  \
-                                &(page)->flags);                        \
-                if (ret)                                                \
-                        dec_zone_page_state(page, NR_WRITEBACK);        \
-                ret;                                                    \
-        })
+#define TestSetPageWriteback(page) test_and_set_bit(PG_writeback,       \
+                                                        &(page)->flags)
+#define TestClearPageWriteback(page) test_and_clear_bit(PG_writeback,   \
+                                                        &(page)->flags)
 
 #define PageBuddy(page)         test_bit(PG_buddy, &(page)->flags)
 #define __SetPageBuddy(page)    __set_bit(PG_buddy, &(page)->flags)
@@ -226,6 +207,10 @@ static inline void SetPageUptodate(struct page *page)
 #define SetPageMappedToDisk(page) set_bit(PG_mappedtodisk, &(page)->flags)
 #define ClearPageMappedToDisk(page) clear_bit(PG_mappedtodisk, &(page)->flags)
 
+#define PageReadahead(page)     test_bit(PG_readahead, &(page)->flags)
+#define SetPageReadahead(page)  set_bit(PG_readahead, &(page)->flags)
+#define ClearPageReadahead(page) clear_bit(PG_readahead, &(page)->flags)
+
 #define PageReclaim(page)       test_bit(PG_reclaim, &(page)->flags)
 #define SetPageReclaim(page)    set_bit(PG_reclaim, &(page)->flags)
 #define ClearPageReclaim(page)  clear_bit(PG_reclaim, &(page)->flags)
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 2c7add169539..b15c6498fe67 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -495,6 +495,8 @@
 
 #define PCI_VENDOR_ID_AMD               0x1022
 #define PCI_DEVICE_ID_AMD_K8_NB         0x1100
+#define PCI_DEVICE_ID_AMD_K8_NB_ADDRMAP 0x1101
+#define PCI_DEVICE_ID_AMD_K8_NB_MEMCTL  0x1102
 #define PCI_DEVICE_ID_AMD_K8_NB_MISC    0x1103
 #define PCI_DEVICE_ID_AMD_LANCE         0x2000
 #define PCI_DEVICE_ID_AMD_LANCE_HOME    0x2001
@@ -2209,6 +2211,7 @@
 #define PCI_DEVICE_ID_INTEL_82915GM_IG  0x2592
 #define PCI_DEVICE_ID_INTEL_82945G_HB   0x2770
 #define PCI_DEVICE_ID_INTEL_82945G_IG   0x2772
+#define PCI_DEVICE_ID_INTEL_3000_HB     0x2778
 #define PCI_DEVICE_ID_INTEL_82945GM_HB  0x27A0
 #define PCI_DEVICE_ID_INTEL_82945GM_IG  0x27A2
 #define PCI_DEVICE_ID_INTEL_ICH6_0      0x2640
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 2735b7cadd20..ad3cc2eb0d34 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -101,6 +101,7 @@ struct pm_dev
  */
 extern void (*pm_idle)(void);
 extern void (*pm_power_off)(void);
+extern void (*pm_power_off_prepare)(void);
 
 typedef int __bitwise suspend_state_t;
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 731edaca8ffd..33b9b4841ee7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -345,6 +345,27 @@ typedef unsigned long mm_counter_t;
                 (mm)->hiwater_vm = (mm)->total_vm;      \
 } while (0)
 
+extern void set_dumpable(struct mm_struct *mm, int value);
+extern int get_dumpable(struct mm_struct *mm);
+
+/* mm flags */
+/* dumpable bits */
+#define MMF_DUMPABLE      0  /* core dump is permitted */
+#define MMF_DUMP_SECURELY 1  /* core file is readable only by root */
+#define MMF_DUMPABLE_BITS 2
+
+/* coredump filter bits */
+#define MMF_DUMP_ANON_PRIVATE   2
+#define MMF_DUMP_ANON_SHARED    3
+#define MMF_DUMP_MAPPED_PRIVATE 4
+#define MMF_DUMP_MAPPED_SHARED  5
+#define MMF_DUMP_FILTER_SHIFT   MMF_DUMPABLE_BITS
+#define MMF_DUMP_FILTER_BITS    4
+#define MMF_DUMP_FILTER_MASK \
+        (((1 << MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT)
+#define MMF_DUMP_FILTER_DEFAULT \
+        ((1 << MMF_DUMP_ANON_PRIVATE) | (1 << MMF_DUMP_ANON_SHARED))
+
 struct mm_struct {
         struct vm_area_struct * mmap;           /* list of VMAs */
         struct rb_root mm_rb;
@@ -402,7 +423,7 @@ struct mm_struct {
         unsigned int token_priority;
         unsigned int last_interval;
 
-        unsigned char dumpable:2;
+        unsigned long flags; /* Must use atomic bitops to access the bits */
 
         /* coredumping support */
         int core_waiters;
@@ -1327,6 +1348,13 @@ static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
 #endif
 
 extern unsigned long long sched_clock(void);
+
+/*
+ * For kernel-internal use: high-speed (but slightly incorrect) per-cpu
+ * clock constructed from sched_clock():
+ */
+extern unsigned long long cpu_clock(int cpu);
+
 extern unsigned long long
 task_sched_runtime(struct task_struct *task);
 
diff --git a/include/linux/spinlock_types.h b/include/linux/spinlock_types.h
index 210549ba4ef4..f6a3a951b79e 100644
--- a/include/linux/spinlock_types.h
+++ b/include/linux/spinlock_types.h
@@ -9,14 +9,14 @@
  * Released under the General Public License (GPL).
  */
 
-#include <linux/lockdep.h>
-
 #if defined(CONFIG_SMP)
 # include <asm/spinlock_types.h>
 #else
 # include <linux/spinlock_types_up.h>
 #endif
 
+#include <linux/lockdep.h>
+
 typedef struct {
         raw_spinlock_t raw_lock;
 #if defined(CONFIG_PREEMPT) && defined(CONFIG_SMP)
diff --git a/include/linux/spinlock_types_up.h b/include/linux/spinlock_types_up.h
index 27644af20b7c..04135b0e198e 100644
--- a/include/linux/spinlock_types_up.h
+++ b/include/linux/spinlock_types_up.h
@@ -12,14 +12,10 @@
  * Released under the General Public License (GPL).
  */
 
-#if defined(CONFIG_DEBUG_SPINLOCK) || \
-        defined(CONFIG_DEBUG_LOCK_ALLOC)
+#ifdef CONFIG_DEBUG_SPINLOCK
 
 typedef struct {
         volatile unsigned int slock;
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-        struct lockdep_map dep_map;
-#endif
 } raw_spinlock_t;
 
 #define __RAW_SPIN_LOCK_UNLOCKED { 1 }
@@ -34,9 +30,6 @@ typedef struct { } raw_spinlock_t;
 
 typedef struct {
         /* no debug version on UP */
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-        struct lockdep_map dep_map;
-#endif
 } raw_rwlock_t;
 
 #define __RAW_RW_LOCK_UNLOCKED { }
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
index 1d2b084c0185..e7fa657d0c49 100644
--- a/include/linux/stacktrace.h
+++ b/include/linux/stacktrace.h
@@ -13,7 +13,7 @@ extern void save_stack_trace(struct stack_trace *trace);
 extern void print_stack_trace(struct stack_trace *trace, int spaces);
 #else
 # define save_stack_trace(trace)                        do { } while (0)
-# define print_stack_trace(trace)                       do { } while (0)
+# define print_stack_trace(trace, spaces)               do { } while (0)
 #endif
 
 #endif
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 9c7cb6430666..e8e6da394c92 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -43,14 +43,19 @@ static inline void pm_restore_console(void) {}
  * @prepare: prepare system for hibernation
  * @enter: shut down system after state has been saved to disk
  * @finish: finish/clean up after state has been reloaded
+ * @pre_restore: prepare system for the restoration from a hibernation image
+ * @restore_cleanup: clean up after a failing image restoration
  */
 struct hibernation_ops {
         int (*prepare)(void);
         int (*enter)(void);
         void (*finish)(void);
+        int (*pre_restore)(void);
+        void (*restore_cleanup)(void);
 };
 
-#if defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND)
+#ifdef CONFIG_PM
+#ifdef CONFIG_SOFTWARE_SUSPEND
 /* kernel/power/snapshot.c */
 extern void __register_nosave_region(unsigned long b, unsigned long e, int km);
 static inline void register_nosave_region(unsigned long b, unsigned long e)
@@ -68,16 +73,14 @@ extern unsigned long get_safe_page(gfp_t gfp_mask);
 
 extern void hibernation_set_ops(struct hibernation_ops *ops);
 extern int hibernate(void);
-#else
-static inline void register_nosave_region(unsigned long b, unsigned long e) {}
-static inline void register_nosave_region_late(unsigned long b, unsigned long e) {}
+#else /* CONFIG_SOFTWARE_SUSPEND */
 static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
 static inline void swsusp_set_page_free(struct page *p) {}
 static inline void swsusp_unset_page_free(struct page *p) {}
 
 static inline void hibernation_set_ops(struct hibernation_ops *ops) {}
 static inline int hibernate(void) { return -ENOSYS; }
-#endif /* defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND) */
+#endif /* CONFIG_SOFTWARE_SUSPEND */
 
 void save_processor_state(void);
 void restore_processor_state(void);
@@ -85,4 +88,43 @@ struct saved_context;
 void __save_processor_state(struct saved_context *ctxt);
 void __restore_processor_state(struct saved_context *ctxt);
 
+/* kernel/power/main.c */
+extern struct blocking_notifier_head pm_chain_head;
+
+static inline int register_pm_notifier(struct notifier_block *nb)
+{
+        return blocking_notifier_chain_register(&pm_chain_head, nb);
+}
+
+static inline int unregister_pm_notifier(struct notifier_block *nb)
+{
+        return blocking_notifier_chain_unregister(&pm_chain_head, nb);
+}
+
+#define pm_notifier(fn, pri) {                          \
+        static struct notifier_block fn##_nb =                  \
+                { .notifier_call = fn, .priority = pri };       \
+        register_pm_notifier(&fn##_nb);                 \
+}
+#else /* CONFIG_PM */
+
+static inline int register_pm_notifier(struct notifier_block *nb)
+{
+        return 0;
+}
+
+static inline int unregister_pm_notifier(struct notifier_block *nb)
+{
+        return 0;
+}
+
+#define pm_notifier(fn, pri)    do { (void)(fn); } while (0)
+#endif /* CONFIG_PM */
+
+#if !defined CONFIG_SOFTWARE_SUSPEND || !defined(CONFIG_PM)
+static inline void register_nosave_region(unsigned long b, unsigned long e)
+{
+}
+#endif
+
 #endif /* _LINUX_SWSUSP_H */
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index bb320573bb9e..1101b0ce878f 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -49,7 +49,7 @@ static inline struct user_namespace *copy_user_ns(int flags,
         if (flags & CLONE_NEWUSER)
                 return ERR_PTR(-EINVAL);
 
-        return NULL;
+        return old_ns;
 }
 
 static inline void put_user_ns(struct user_namespace *ns)