19 files changed, 110 insertions, 122 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 2732e1b0aa3d..bd7266903bf8 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -23,6 +23,9 @@ config IA64
         select HAVE_ARCH_TRACEHOOK
         select HAVE_DMA_API_DEBUG
         select HAVE_GENERIC_HARDIRQS
+        select HAVE_MEMBLOCK
+        select HAVE_MEMBLOCK_NODE_MAP
+        select ARCH_DISCARD_MEMBLOCK
         select GENERIC_IRQ_PROBE
         select GENERIC_PENDING_IRQ if SMP
         select IRQ_PER_CPU
@@ -471,9 +474,6 @@ config NODES_SHIFT
           MAX_NUMNODES will be 2^(This value).
           If in doubt, use the default.
 
-config ARCH_POPULATES_NODE_MAP
-        def_bool y
-
 # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
 # VIRTUAL_MEM_MAP has been retained for historical reasons.
 config VIRTUAL_MEM_MAP
diff --git a/arch/ia64/include/asm/cputime.h b/arch/ia64/include/asm/cputime.h
index 6073b187528a..3deac956d325 100644
--- a/arch/ia64/include/asm/cputime.h
+++ b/arch/ia64/include/asm/cputime.h
@@ -26,59 +26,53 @@
 #include <linux/jiffies.h>
 #include <asm/processor.h>
 
-typedef u64 cputime_t;
-typedef u64 cputime64_t;
+typedef u64 __nocast cputime_t;
+typedef u64 __nocast cputime64_t;
 
-#define cputime_zero                    ((cputime_t)0)
 #define cputime_one_jiffy               jiffies_to_cputime(1)
-#define cputime_max                     ((~((cputime_t)0) >> 1) - 1)
-#define cputime_add(__a, __b)           ((__a) +  (__b))
-#define cputime_sub(__a, __b)           ((__a) -  (__b))
-#define cputime_div(__a, __n)           ((__a) /  (__n))
-#define cputime_halve(__a)              ((__a) >> 1)
-#define cputime_eq(__a, __b)            ((__a) == (__b))
-#define cputime_gt(__a, __b)            ((__a) >  (__b))
-#define cputime_ge(__a, __b)            ((__a) >= (__b))
-#define cputime_lt(__a, __b)            ((__a) <  (__b))
-#define cputime_le(__a, __b)            ((__a) <= (__b))
-
-#define cputime64_zero                  ((cputime64_t)0)
-#define cputime64_add(__a, __b)         ((__a) + (__b))
-#define cputime64_sub(__a, __b)         ((__a) - (__b))
-#define cputime_to_cputime64(__ct)      (__ct)
 
 /*
  * Convert cputime <-> jiffies (HZ)
  */
-#define cputime_to_jiffies(__ct)        ((__ct) / (NSEC_PER_SEC / HZ))
-#define jiffies_to_cputime(__jif)       ((__jif) * (NSEC_PER_SEC / HZ))
-#define cputime64_to_jiffies64(__ct)    ((__ct) / (NSEC_PER_SEC / HZ))
-#define jiffies64_to_cputime64(__jif)   ((__jif) * (NSEC_PER_SEC / HZ))
+#define cputime_to_jiffies(__ct)        \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies_to_cputime(__jif)       \
+        (__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ))
+#define cputime64_to_jiffies64(__ct)    \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies64_to_cputime64(__jif)   \
+        (__force cputime64_t)((__jif) * (NSEC_PER_SEC / HZ))
 
 /*
  * Convert cputime <-> microseconds
  */
-#define cputime_to_usecs(__ct)          ((__ct) / NSEC_PER_USEC)
-#define usecs_to_cputime(__usecs)       ((__usecs) * NSEC_PER_USEC)
+#define cputime_to_usecs(__ct)          \
+        ((__force u64)(__ct) / NSEC_PER_USEC)
+#define usecs_to_cputime(__usecs)       \
+        (__force cputime_t)((__usecs) * NSEC_PER_USEC)
+#define usecs_to_cputime64(__usecs)     \
+        (__force cputime64_t)((__usecs) * NSEC_PER_USEC)
 
 /*
  * Convert cputime <-> seconds
  */
-#define cputime_to_secs(__ct)           ((__ct) / NSEC_PER_SEC)
-#define secs_to_cputime(__secs)         ((__secs) * NSEC_PER_SEC)
+#define cputime_to_secs(__ct)           \
+        ((__force u64)(__ct) / NSEC_PER_SEC)
+#define secs_to_cputime(__secs)         \
+        (__force cputime_t)((__secs) * NSEC_PER_SEC)
 
 /*
  * Convert cputime <-> timespec (nsec)
  */
 static inline cputime_t timespec_to_cputime(const struct timespec *val)
 {
-        cputime_t ret = val->tv_sec * NSEC_PER_SEC;
-        return (ret + val->tv_nsec);
+        u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_nsec;
+        return (__force cputime_t) ret;
 }
 static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
 {
-        val->tv_sec  = ct / NSEC_PER_SEC;
-        val->tv_nsec = ct % NSEC_PER_SEC;
+        val->tv_sec  = (__force u64) ct / NSEC_PER_SEC;
+        val->tv_nsec = (__force u64) ct % NSEC_PER_SEC;
 }
 
 /*
@@ -86,25 +80,28 @@ static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
  */
 static inline cputime_t timeval_to_cputime(struct timeval *val)
 {
-        cputime_t ret = val->tv_sec * NSEC_PER_SEC;
-        return (ret + val->tv_usec * NSEC_PER_USEC);
+        u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_usec * NSEC_PER_USEC;
+        return (__force cputime_t) ret;
 }
 static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)
 {
-        val->tv_sec = ct / NSEC_PER_SEC;
-        val->tv_usec = (ct % NSEC_PER_SEC) / NSEC_PER_USEC;
+        val->tv_sec = (__force u64) ct / NSEC_PER_SEC;
+        val->tv_usec = ((__force u64) ct % NSEC_PER_SEC) / NSEC_PER_USEC;
 }
 
 /*
  * Convert cputime <-> clock (USER_HZ)
  */
-#define cputime_to_clock_t(__ct)        ((__ct) / (NSEC_PER_SEC / USER_HZ))
-#define clock_t_to_cputime(__x)         ((__x) * (NSEC_PER_SEC / USER_HZ))
+#define cputime_to_clock_t(__ct)        \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / USER_HZ))
+#define clock_t_to_cputime(__x)         \
+        (__force cputime_t)((__x) * (NSEC_PER_SEC / USER_HZ))
 
 /*
  * Convert cputime64 to clock.
  */
-#define cputime64_to_clock_t(__ct)      cputime_to_clock_t((cputime_t)__ct)
+#define cputime64_to_clock_t(__ct)      \
+        cputime_to_clock_t((__force cputime_t)__ct)
 
 #endif /* CONFIG_VIRT_CPU_ACCOUNTING */
 #endif /* __IA64_CPUTIME_H */
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index 105c93b00b1b..b6a809fa2995 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -11,10 +11,12 @@ extern void no_iommu_init(void);
 extern int force_iommu, no_iommu;
 extern int iommu_pass_through;
 extern int iommu_detected;
+extern int iommu_group_mf;
 #else
 #define iommu_pass_through      (0)
 #define no_iommu                (1)
 #define iommu_detected          (0)
+#define iommu_group_mf          (0)
 #endif
 extern void iommu_dma_init(void);
 extern void machvec_init(const char *name);
diff --git a/arch/ia64/include/asm/ipcbuf.h b/arch/ia64/include/asm/ipcbuf.h
index 079899ae7d32..84c7e51cb6d0 100644
--- a/arch/ia64/include/asm/ipcbuf.h
+++ b/arch/ia64/include/asm/ipcbuf.h
@@ -1,28 +1 @@
-#ifndef _ASM_IA64_IPCBUF_H
-#define _ASM_IA64_IPCBUF_H
-
-/*
- * The ipc64_perm structure for IA-64 architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 32-bit seq
- * - 2 miscellaneous 64-bit values
- */
-
-struct ipc64_perm
-{
-        __kernel_key_t  key;
-        __kernel_uid_t  uid;
-        __kernel_gid_t  gid;
-        __kernel_uid_t  cuid;
-        __kernel_gid_t  cgid;
-        __kernel_mode_t mode;
-        unsigned short  seq;
-        unsigned short  __pad1;
-        unsigned long   __unused1;
-        unsigned long   __unused2;
-};
-
-#endif /* _ASM_IA64_IPCBUF_H */
+#include <asm-generic/ipcbuf.h>
diff --git a/arch/ia64/include/asm/socket.h b/arch/ia64/include/asm/socket.h
index 51427eaa51ba..4b03664e3fb5 100644
--- a/arch/ia64/include/asm/socket.h
+++ b/arch/ia64/include/asm/socket.h
@@ -71,4 +71,7 @@
 
 #define SO_RXQ_OVFL             40
 
+#define SO_WIFI_STATUS          41
+#define SCM_WIFI_STATUS         SO_WIFI_STATUS
+
 #endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index ff0cc84e7bcc..e054bcc4273c 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -113,7 +113,6 @@ struct thread_info {
 #define TIF_MEMDIE              17      /* is terminating due to OOM killer */
 #define TIF_MCA_INIT            18      /* this task is processing MCA or INIT */
 #define TIF_DB_DISABLED         19      /* debug trap disabled for fsyscall */
-#define TIF_FREEZE              20      /* is freezing for suspend */
 #define TIF_RESTORE_RSE         21      /* user RBS is newer than kernel RBS */
 
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
@@ -126,7 +125,6 @@ struct thread_info {
 #define _TIF_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
 #define _TIF_MCA_INIT           (1 << TIF_MCA_INIT)
 #define _TIF_DB_DISABLED        (1 << TIF_DB_DISABLED)
-#define _TIF_FREEZE             (1 << TIF_FREEZE)
 #define _TIF_RESTORE_RSE        (1 << TIF_RESTORE_RSE)
 
 /* "work to do on user-return" bits */
diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h
index 82b3939d2718..3f5b122d9975 100644
--- a/arch/ia64/include/asm/types.h
+++ b/arch/ia64/include/asm/types.h
@@ -28,8 +28,6 @@
 # define __IA64_UL(x)           ((unsigned long)(x))
 # define __IA64_UL_CONST(x)     x##UL
 
-typedef unsigned int umode_t;
-
 /*
  * These aren't exported outside the kernel to avoid name space clashes
  */
diff --git a/arch/ia64/include/asm/xen/interface.h b/arch/ia64/include/asm/xen/interface.h
index 1d2427d116e3..fbb519828aa1 100644
--- a/arch/ia64/include/asm/xen/interface.h
+++ b/arch/ia64/include/asm/xen/interface.h
@@ -71,7 +71,7 @@
 __DEFINE_GUEST_HANDLE(uchar, unsigned char);
 __DEFINE_GUEST_HANDLE(uint, unsigned int);
 __DEFINE_GUEST_HANDLE(ulong, unsigned long);
-__DEFINE_GUEST_HANDLE(u64, unsigned long);
+
 DEFINE_GUEST_HANDLE(char);
 DEFINE_GUEST_HANDLE(int);
 DEFINE_GUEST_HANDLE(long);
diff --git a/arch/ia64/kernel/err_inject.c b/arch/ia64/kernel/err_inject.c
index c539c689493b..2d67317a1ec2 100644
--- a/arch/ia64/kernel/err_inject.c
+++ b/arch/ia64/kernel/err_inject.c
@@ -24,7 +24,7 @@
  * Copyright (C) 2006, Intel Corp.  All rights reserved.
  *
  */
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/cpu.h>
@@ -35,10 +35,10 @@
 #define ERR_DATA_BUFFER_SIZE 3          // Three 8-byte;
 
 #define define_one_ro(name)                                             \
-static SYSDEV_ATTR(name, 0444, show_##name, NULL)
+static DEVICE_ATTR(name, 0444, show_##name, NULL)
 
 #define define_one_rw(name)                                             \
-static SYSDEV_ATTR(name, 0644, show_##name, store_##name)
+static DEVICE_ATTR(name, 0644, show_##name, store_##name)
 
 static u64 call_start[NR_CPUS];
 static u64 phys_addr[NR_CPUS];
@@ -55,7 +55,7 @@ static u64 resources[NR_CPUS];
 
 #define show(name)                                                      \
 static ssize_t                                                          \
-show_##name(struct sys_device *dev, struct sysdev_attribute *attr,      \
+show_##name(struct device *dev, struct device_attribute *attr,  \
                 char *buf)                                              \
 {                                                                       \
         u32 cpu=dev->id;                                                \
@@ -64,7 +64,7 @@ show_##name(struct sys_device *dev, struct sysdev_attribute *attr,	\
 
 #define store(name)                                                     \
 static ssize_t                                                          \
-store_##name(struct sys_device *dev, struct sysdev_attribute *attr,     \
+store_##name(struct device *dev, struct device_attribute *attr, \
                                         const char *buf, size_t size)   \
 {                                                                       \
         unsigned int cpu=dev->id;                                       \
@@ -78,7 +78,7 @@ show(call_start)
  * processor. The cpu number in driver is only used for storing data.
  */
 static ssize_t
-store_call_start(struct sys_device *dev, struct sysdev_attribute *attr,
+store_call_start(struct device *dev, struct device_attribute *attr,
                 const char *buf, size_t size)
 {
         unsigned int cpu=dev->id;
@@ -127,7 +127,7 @@ show(err_type_info)
 store(err_type_info)
 
 static ssize_t
-show_virtual_to_phys(struct sys_device *dev, struct sysdev_attribute *attr,
+show_virtual_to_phys(struct device *dev, struct device_attribute *attr,
                         char *buf)
 {
         unsigned int cpu=dev->id;
@@ -135,7 +135,7 @@ show_virtual_to_phys(struct sys_device *dev, struct sysdev_attribute *attr,
 }
 
 static ssize_t
-store_virtual_to_phys(struct sys_device *dev, struct sysdev_attribute *attr,
+store_virtual_to_phys(struct device *dev, struct device_attribute *attr,
                         const char *buf, size_t size)
 {
         unsigned int cpu=dev->id;
@@ -159,8 +159,8 @@ show(err_struct_info)
 store(err_struct_info)
 
 static ssize_t
-show_err_data_buffer(struct sys_device *dev,
-                        struct sysdev_attribute *attr, char *buf)
+show_err_data_buffer(struct device *dev,
+                        struct device_attribute *attr, char *buf)
 {
         unsigned int cpu=dev->id;
 
@@ -171,8 +171,8 @@ show_err_data_buffer(struct sys_device *dev,
 }
 
 static ssize_t
-store_err_data_buffer(struct sys_device *dev,
-                        struct sysdev_attribute *attr,
+store_err_data_buffer(struct device *dev,
+                        struct device_attribute *attr,
                         const char *buf, size_t size)
 {
         unsigned int cpu=dev->id;
@@ -209,14 +209,14 @@ define_one_ro(capabilities);
 define_one_ro(resources);
 
 static struct attribute *default_attrs[] = {
-        &attr_call_start.attr,
-        &attr_virtual_to_phys.attr,
-        &attr_err_type_info.attr,
-        &attr_err_struct_info.attr,
-        &attr_err_data_buffer.attr,
-        &attr_status.attr,
-        &attr_capabilities.attr,
-        &attr_resources.attr,
+        &dev_attr_call_start.attr,
+        &dev_attr_virtual_to_phys.attr,
+        &dev_attr_err_type_info.attr,
+        &dev_attr_err_struct_info.attr,
+        &dev_attr_err_data_buffer.attr,
+        &dev_attr_status.attr,
+        &dev_attr_capabilities.attr,
+        &dev_attr_resources.attr,
         NULL
 };
 
@@ -225,12 +225,12 @@ static struct attribute_group err_inject_attr_group = {
         .name = "err_inject"
 };
 /* Add/Remove err_inject interface for CPU device */
-static int __cpuinit err_inject_add_dev(struct sys_device * sys_dev)
+static int __cpuinit err_inject_add_dev(struct device * sys_dev)
 {
         return sysfs_create_group(&sys_dev->kobj, &err_inject_attr_group);
 }
 
-static int __cpuinit err_inject_remove_dev(struct sys_device * sys_dev)
+static int __cpuinit err_inject_remove_dev(struct device * sys_dev)
 {
         sysfs_remove_group(&sys_dev->kobj, &err_inject_attr_group);
         return 0;
@@ -239,9 +239,9 @@ static int __cpuinit err_inject_cpu_callback(struct notifier_block *nfb,
                 unsigned long action, void *hcpu)
 {
         unsigned int cpu = (unsigned long)hcpu;
-        struct sys_device *sys_dev;
+        struct device *sys_dev;
 
-        sys_dev = get_cpu_sysdev(cpu);
+        sys_dev = get_cpu_device(cpu);
         switch (action) {
         case CPU_ONLINE:
         case CPU_ONLINE_FROZEN:
@@ -283,13 +283,13 @@ static void __exit
 err_inject_exit(void)
 {
         int i;
-        struct sys_device *sys_dev;
+        struct device *sys_dev;
 
 #ifdef ERR_INJ_DEBUG
         printk(KERN_INFO "Exit error injection driver.\n");
 #endif
         for_each_online_cpu(i) {
-                sys_dev = get_cpu_sysdev(i);
+                sys_dev = get_cpu_device(i);
                 sysfs_remove_group(&sys_dev->kobj, &err_inject_attr_group);
         }
         unregister_hotcpu_notifier(&err_inject_cpu_notifier);
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index c16162c70860..eb1175720050 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -33,6 +33,7 @@ int force_iommu __read_mostly;
 #endif
 
 int iommu_pass_through;
+int iommu_group_mf;
 
 /* Dummy device used for NULL arguments (normally ISA). Better would
    be probably a smaller DMA mask, but this is bug-to-bug compatible
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 89accc626b86..b2c65e034f5d 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2228,7 +2228,7 @@ pfm_alloc_file(pfm_context_t *ctx)
         /*
          * allocate a new dcache entry
          */
-        path.dentry = d_alloc(pfmfs_mnt->mnt_sb->s_root, &this);
+        path.dentry = d_alloc(pfmfs_mnt->mnt_root, &this);
         if (!path.dentry) {
                 iput(inode);
                 return ERR_PTR(-ENOMEM);
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 5e2c72498c51..cd57d7312de0 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -220,6 +220,23 @@ sort_regions (struct rsvd_region *rsvd_region, int max)
         }
 }
 
+/* merge overlaps */
+static int __init
+merge_regions (struct rsvd_region *rsvd_region, int max)
+{
+        int i;
+        for (i = 1; i < max; ++i) {
+                if (rsvd_region[i].start >= rsvd_region[i-1].end)
+                        continue;
+                if (rsvd_region[i].end > rsvd_region[i-1].end)
+                        rsvd_region[i-1].end = rsvd_region[i].end;
+                --max;
+                memmove(&rsvd_region[i], &rsvd_region[i+1],
+                        (max - i) * sizeof(struct rsvd_region));
+        }
+        return max;
+}
+
 /*
  * Request address space for all standard resources
  */
@@ -270,6 +287,7 @@ static void __init setup_crashkernel(unsigned long total, int *n)
         if (ret == 0 && size > 0) {
                 if (!base) {
                         sort_regions(rsvd_region, *n);
+                        *n = merge_regions(rsvd_region, *n);
                         base = kdump_find_rsvd_region(size,
                                         rsvd_region, *n);
                 }
@@ -373,6 +391,7 @@ reserve_memory (void)
         BUG_ON(IA64_MAX_RSVD_REGIONS + 1 < n);
 
         sort_regions(rsvd_region, num_rsvd_regions);
+        num_rsvd_regions = merge_regions(rsvd_region, num_rsvd_regions);
 }
 
 
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 9be1f11a01d9..9deb21dbf629 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -350,7 +350,7 @@ static int __cpuinit cpu_cache_sysfs_init(unsigned int cpu)
 }
 
 /* Add cache interface for CPU device */
-static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
+static int __cpuinit cache_add_dev(struct device * sys_dev)
 {
         unsigned int cpu = sys_dev->id;
         unsigned long i, j;
@@ -400,7 +400,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
 }
 
 /* Remove cache interface for CPU device */
-static int __cpuinit cache_remove_dev(struct sys_device * sys_dev)
+static int __cpuinit cache_remove_dev(struct device * sys_dev)
 {
         unsigned int cpu = sys_dev->id;
         unsigned long i;
@@ -428,9 +428,9 @@ static int __cpuinit cache_cpu_callback(struct notifier_block *nfb,
                 unsigned long action, void *hcpu)
 {
         unsigned int cpu = (unsigned long)hcpu;
-        struct sys_device *sys_dev;
+        struct device *sys_dev;
 
-        sys_dev = get_cpu_sysdev(cpu);
+        sys_dev = get_cpu_device(cpu);
         switch (action) {
         case CPU_ONLINE:
         case CPU_ONLINE_FROZEN:
@@ -454,7 +454,7 @@ static int __init cache_sysfs_init(void)
         int i;
 
         for_each_online_cpu(i) {
-                struct sys_device *sys_dev = get_cpu_sysdev((unsigned int)i);
+                struct device *sys_dev = get_cpu_device((unsigned int)i);
                 cache_add_dev(sys_dev);
         }
 
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 43f4c92816ef..405052002493 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -774,13 +774,13 @@ struct kvm *kvm_arch_alloc_vm(void)
         return kvm;
 }
 
-struct kvm_io_range {
+struct kvm_ia64_io_range {
         unsigned long start;
         unsigned long size;
         unsigned long type;
 };
 
-static const struct kvm_io_range io_ranges[] = {
+static const struct kvm_ia64_io_range io_ranges[] = {
         {VGA_IO_START, VGA_IO_SIZE, GPFN_FRAME_BUFFER},
         {MMIO_START, MMIO_SIZE, GPFN_LOW_MMIO},
         {LEGACY_IO_START, LEGACY_IO_SIZE, GPFN_LEGACY_IO},
@@ -1366,14 +1366,12 @@ static void kvm_release_vm_pages(struct kvm *kvm)
 {
         struct kvm_memslots *slots;
         struct kvm_memory_slot *memslot;
-        int i, j;
+        int j;
         unsigned long base_gfn;
 
         slots = kvm_memslots(kvm);
-        for (i = 0; i < slots->nmemslots; i++) {
-                memslot = &slots->memslots[i];
+        kvm_for_each_memslot(memslot, slots) {
                 base_gfn = memslot->base_gfn;
-
                 for (j = 0; j < memslot->npages; j++) {
                         if (memslot->rmap[j])
                                 put_page((struct page *)memslot->rmap[j]);
@@ -1820,7 +1818,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
         if (log->slot >= KVM_MEMORY_SLOTS)
                 goto out;
 
-        memslot = &kvm->memslots->memslots[log->slot];
+        memslot = id_to_memslot(kvm->memslots, log->slot);
         r = -ENOENT;
         if (!memslot->dirty_bitmap)
                 goto out;
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index f114a3b14c6a..1516d1dc11fd 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -16,6 +16,7 @@
  */
 #include <linux/bootmem.h>
 #include <linux/efi.h>
+#include <linux/memblock.h>
 #include <linux/mm.h>
 #include <linux/nmi.h>
 #include <linux/swap.h>
@@ -348,7 +349,7 @@ paging_init (void)
                 printk("Virtual mem_map starts at 0x%p\n", mem_map);
         }
 #else /* !CONFIG_VIRTUAL_MEM_MAP */
-        add_active_range(0, 0, max_low_pfn);
+        memblock_add_node(0, PFN_PHYS(max_low_pfn), 0);
         free_area_init_nodes(max_zone_pfns);
 #endif /* !CONFIG_VIRTUAL_MEM_MAP */
         zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 00cb0e26c64e..13df239dbed1 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -10,6 +10,7 @@
 #include <linux/bootmem.h>
 #include <linux/efi.h>
 #include <linux/elf.h>
+#include <linux/memblock.h>
 #include <linux/mm.h>
 #include <linux/mmzone.h>
 #include <linux/module.h>
@@ -557,8 +558,7 @@ int __init register_active_ranges(u64 start, u64 len, int nid)
 #endif
 
         if (start < end)
-                add_active_range(nid, __pa(start) >> PAGE_SHIFT,
-                        __pa(end) >> PAGE_SHIFT);
+                memblock_add_node(__pa(start), end - start, nid);
         return 0;
 }
 
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 485c42d97e83..dfac09ab027a 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -150,12 +150,11 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
          * PROM does not support SAL_INTR_REDIRECT, or it failed.
          * Revert to old method.
          */
-        new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
+        new_irq_info = kmemdup(sn_irq_info, sizeof(struct sn_irq_info),
+                               GFP_ATOMIC);
         if (new_irq_info == NULL)
                 return NULL;
 
-        memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
-
         /* Free the old PROM new_irq_info structure */
         sn_intr_free(local_nasid, local_widget, new_irq_info);
         unregister_intr_pda(new_irq_info);
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index 5698f29d5add..8886a0bc4a11 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -127,12 +127,11 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
          * Allocate kernel bus soft and copy from prom.
          */
 
-        soft = kmalloc(sizeof(struct pcibus_info), GFP_KERNEL);
+        soft = kmemdup(prom_bussoft, sizeof(struct pcibus_info), GFP_KERNEL);
         if (!soft) {
                 return NULL;
         }
 
-        memcpy(soft, prom_bussoft, sizeof(struct pcibus_info));
         soft->pbi_buscommon.bs_base = (unsigned long)
                 ioremap(REGION_OFFSET(soft->pbi_buscommon.bs_base),
                         sizeof(struct pic));
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 642451e770ea..e77c477245fd 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -600,11 +600,11 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
          * Allocate kernel bus soft and copy from prom.
          */
 
-        tioca_common = kzalloc(sizeof(struct tioca_common), GFP_KERNEL);
+        tioca_common = kmemdup(prom_bussoft, sizeof(struct tioca_common),
+                               GFP_KERNEL);
         if (!tioca_common)
                 return NULL;
 
-        memcpy(tioca_common, prom_bussoft, sizeof(struct tioca_common));
         tioca_common->ca_common.bs_base = (unsigned long)
                 ioremap(REGION_OFFSET(tioca_common->ca_common.bs_base),
                         sizeof(struct tioca_common));