Merge branch 'akpm' (incoming from Andrew)

Merge second patch-bomb from Andrew Morton:
 - various misc bits
 - the rest of MM
 - add generic fixmap.h, use it
 - backlight updates
 - dynamic_debug updates
 - printk() updates
 - checkpatch updates
 - binfmt_elf
 - ramfs
 - init/
 - autofs4
 - drivers/rtc
 - nilfs
 - hfsplus
 - Documentation/
 - coredump
 - procfs
 - fork
 - exec
 - kexec
 - kdump
 - partitions
 - rapidio
 - rbtree
 - userns
 - memstick
 - w1
 - decompressors

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (197 commits)
  lib/decompress_unlz4.c: always set an error return code on failures
  romfs: fix returm err while getting inode in fill_super
  drivers/w1/masters/w1-gpio.c: add strong pullup emulation
  drivers/memstick/host/rtsx_pci_ms.c: fix ms card data transfer bug
  userns: relax the posix_acl_valid() checks
  arch/sh/kernel/dwarf.c: use rbtree postorder iteration helper instead of solution using repeated rb_erase()
  fs-ext3-use-rbtree-postorder-iteration-helper-instead-of-opencoding-fix
  fs/ext3: use rbtree postorder iteration helper instead of opencoding
  fs/jffs2: use rbtree postorder iteration helper instead of opencoding
  fs/ext4: use rbtree postorder iteration helper instead of opencoding
  fs/ubifs: use rbtree postorder iteration helper instead of opencoding
  net/netfilter/ipset/ip_set_hash_netiface.c: use rbtree postorder iteration instead of opencoding
  rbtree/test: test rbtree_postorder_for_each_entry_safe()
  rbtree/test: move rb_node to the middle of the test struct
  rapidio: add modular rapidio core build into powerpc and mips branches
  partitions/efi: complete documentation of gpt kernel param purpose
  kdump: add /sys/kernel/vmcoreinfo ABI documentation
  kdump: fix exported size of vmcoreinfo note
  kexec: add sysctl to disable kexec_load
  fs/exec.c: call arch_pick_mmap_layout() only once
  ...

30 files changed, 221 insertions, 139 deletions

diff --git a/include/asm-generic/fixmap.h b/include/asm-generic/fixmap.h
new file mode 100644
index 000000000000..5a64ca4621f3
--- /dev/null
+++ b/include/asm-generic/fixmap.h
@@ -0,0 +1,97 @@
+/*
+ * fixmap.h: compile-time virtual memory allocation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1998 Ingo Molnar
+ *
+ * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
+ * x86_32 and x86_64 integration by Gustavo F. Padovan, February 2009
+ * Break out common bits to asm-generic by Mark Salter, November 2013
+ */
+
+#ifndef __ASM_GENERIC_FIXMAP_H
+#define __ASM_GENERIC_FIXMAP_H
+
+#include <linux/bug.h>
+
+#define __fix_to_virt(x)        (FIXADDR_TOP - ((x) << PAGE_SHIFT))
+#define __virt_to_fix(x)        ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
+
+#ifndef __ASSEMBLY__
+/*
+ * 'index to address' translation. If anyone tries to use the idx
+ * directly without translation, we catch the bug with a NULL-deference
+ * kernel oops. Illegal ranges of incoming indices are caught too.
+ */
+static __always_inline unsigned long fix_to_virt(const unsigned int idx)
+{
+        BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
+        return __fix_to_virt(idx);
+}
+
+static inline unsigned long virt_to_fix(const unsigned long vaddr)
+{
+        BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
+        return __virt_to_fix(vaddr);
+}
+
+/*
+ * Provide some reasonable defaults for page flags.
+ * Not all architectures use all of these different types and some
+ * architectures use different names.
+ */
+#ifndef FIXMAP_PAGE_NORMAL
+#define FIXMAP_PAGE_NORMAL PAGE_KERNEL
+#endif
+#ifndef FIXMAP_PAGE_NOCACHE
+#define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE
+#endif
+#ifndef FIXMAP_PAGE_IO
+#define FIXMAP_PAGE_IO PAGE_KERNEL_IO
+#endif
+#ifndef FIXMAP_PAGE_CLEAR
+#define FIXMAP_PAGE_CLEAR __pgprot(0)
+#endif
+
+#ifndef set_fixmap
+#define set_fixmap(idx, phys)                           \
+        __set_fixmap(idx, phys, FIXMAP_PAGE_NORMAL)
+#endif
+
+#ifndef clear_fixmap
+#define clear_fixmap(idx)                       \
+        __set_fixmap(idx, 0, FIXMAP_PAGE_CLEAR)
+#endif
+
+/* Return a pointer with offset calculated */
+#define __set_fixmap_offset(idx, phys, flags)                 \
+({                                                            \
+        unsigned long addr;                                   \
+        __set_fixmap(idx, phys, flags);                       \
+        addr = fix_to_virt(idx) + ((phys) & (PAGE_SIZE - 1)); \
+        addr;                                                 \
+})
+
+#define set_fixmap_offset(idx, phys) \
+        __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NORMAL)
+
+/*
+ * Some hardware wants to get fixmapped without caching.
+ */
+#define set_fixmap_nocache(idx, phys) \
+        __set_fixmap(idx, phys, FIXMAP_PAGE_NOCACHE)
+
+#define set_fixmap_offset_nocache(idx, phys) \
+        __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NOCACHE)
+
+/*
+ * Some fixmaps are for IO
+ */
+#define set_fixmap_io(idx, phys) \
+        __set_fixmap(idx, phys, FIXMAP_PAGE_IO)
+
+#endif /* __ASSEMBLY__ */
+#endif /* __ASM_GENERIC_FIXMAP_H */
diff --git a/include/asm-generic/int-l64.h b/include/asm-generic/int-l64.h
deleted file mode 100644
index 27d4ec0dfce0..000000000000
--- a/include/asm-generic/int-l64.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * asm-generic/int-l64.h
- *
- * Integer declarations for architectures which use "long"
- * for 64-bit types.
- */
-#ifndef _ASM_GENERIC_INT_L64_H
-#define _ASM_GENERIC_INT_L64_H
-
-#include <uapi/asm-generic/int-l64.h>
-
-
-#ifndef __ASSEMBLY__
-
-typedef signed char s8;
-typedef unsigned char u8;
-
-typedef signed short s16;
-typedef unsigned short u16;
-
-typedef signed int s32;
-typedef unsigned int u32;
-
-typedef signed long s64;
-typedef unsigned long u64;
-
-#define S8_C(x)  x
-#define U8_C(x)  x ## U
-#define S16_C(x) x
-#define U16_C(x) x ## U
-#define S32_C(x) x
-#define U32_C(x) x ## U
-#define S64_C(x) x ## L
-#define U64_C(x) x ## UL
-
-#else /* __ASSEMBLY__ */
-
-#define S8_C(x)  x
-#define U8_C(x)  x
-#define S16_C(x) x
-#define U16_C(x) x
-#define S32_C(x) x
-#define U32_C(x) x
-#define S64_C(x) x
-#define U64_C(x) x
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _ASM_GENERIC_INT_L64_H */
diff --git a/include/linux/cache.h b/include/linux/cache.h
index 4c570653ab84..17e7e82d2aa7 100644
--- a/include/linux/cache.h
+++ b/include/linux/cache.h
@@ -1,11 +1,11 @@
 #ifndef __LINUX_CACHE_H
 #define __LINUX_CACHE_H
 
-#include <linux/kernel.h>
+#include <uapi/linux/kernel.h>
 #include <asm/cache.h>
 
 #ifndef L1_CACHE_ALIGN
-#define L1_CACHE_ALIGN(x) ALIGN(x, L1_CACHE_BYTES)
+#define L1_CACHE_ALIGN(x) __ALIGN_KERNEL(x, L1_CACHE_BYTES)
 #endif
 
 #ifndef SMP_CACHE_BYTES
diff --git a/include/linux/ceph/decode.h b/include/linux/ceph/decode.h
index 0442c3d800f0..a6ef9cc267ec 100644
--- a/include/linux/ceph/decode.h
+++ b/include/linux/ceph/decode.h
@@ -8,23 +8,6 @@
 
 #include <linux/ceph/types.h>
 
-/* This seemed to be the easiest place to define these */
-
-#define U8_MAX  ((u8)(~0U))
-#define U16_MAX ((u16)(~0U))
-#define U32_MAX ((u32)(~0U))
-#define U64_MAX ((u64)(~0ULL))
-
-#define S8_MAX  ((s8)(U8_MAX >> 1))
-#define S16_MAX ((s16)(U16_MAX >> 1))
-#define S32_MAX ((s32)(U32_MAX >> 1))
-#define S64_MAX ((s64)(U64_MAX >> 1LL))
-
-#define S8_MIN  ((s8)(-S8_MAX - 1))
-#define S16_MIN ((s16)(-S16_MAX - 1))
-#define S32_MIN ((s32)(-S32_MAX - 1))
-#define S64_MIN ((s64)(-S64_MAX - 1LL))
-
 /*
  * in all cases,
  *   void **p     pointer to position pointer
diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h
index 1eda33d7cb10..1c2fdaa2ffc3 100644
--- a/include/linux/genalloc.h
+++ b/include/linux/genalloc.h
@@ -30,6 +30,8 @@
 #ifndef __GENALLOC_H__
 #define __GENALLOC_H__
 
+#include <linux/spinlock_types.h>
+
 struct device;
 struct device_node;
 
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 9b4dd491f7e8..0437439bc047 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -1,6 +1,7 @@
 #ifndef __LINUX_GFP_H
 #define __LINUX_GFP_H
 
+#include <linux/mmdebug.h>
 #include <linux/mmzone.h>
 #include <linux/stddef.h>
 #include <linux/linkage.h>
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index d01cc972a1d9..8c43cc469d78 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -2,6 +2,7 @@
 #define _LINUX_HUGETLB_H
 
 #include <linux/mm_types.h>
+#include <linux/mmdebug.h>
 #include <linux/fs.h>
 #include <linux/hugetlb_inline.h>
 #include <linux/cgroup.h>
@@ -354,7 +355,7 @@ static inline pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
 
 static inline struct hstate *page_hstate(struct page *page)
 {
-        VM_BUG_ON(!PageHuge(page));
+        VM_BUG_ON_PAGE(!PageHuge(page), page);
         return size_to_hstate(PAGE_SIZE << compound_order(page));
 }
 
diff --git a/include/linux/hugetlb_cgroup.h b/include/linux/hugetlb_cgroup.h
index ce8217f7b5c2..787bba3bf552 100644
--- a/include/linux/hugetlb_cgroup.h
+++ b/include/linux/hugetlb_cgroup.h
@@ -15,6 +15,7 @@
 #ifndef _LINUX_HUGETLB_CGROUP_H
 #define _LINUX_HUGETLB_CGROUP_H
 
+#include <linux/mmdebug.h>
 #include <linux/res_counter.h>
 
 struct hugetlb_cgroup;
@@ -28,7 +29,7 @@ struct hugetlb_cgroup;
 
 static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page)
 {
-        VM_BUG_ON(!PageHuge(page));
+        VM_BUG_ON_PAGE(!PageHuge(page), page);
 
         if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER)
                 return NULL;
@@ -38,7 +39,7 @@ static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page)
 static inline
 int set_hugetlb_cgroup(struct page *page, struct hugetlb_cgroup *h_cg)
 {
-        VM_BUG_ON(!PageHuge(page));
+        VM_BUG_ON_PAGE(!PageHuge(page), page);
 
         if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER)
                 return -1;
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 2aa3d4b000e6..f74bb581ab64 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -29,6 +29,19 @@
 #define ULLONG_MAX      (~0ULL)
 #define SIZE_MAX        (~(size_t)0)
 
+#define U8_MAX          ((u8)~0U)
+#define S8_MAX          ((s8)(U8_MAX>>1))
+#define S8_MIN          ((s8)(-S8_MAX - 1))
+#define U16_MAX         ((u16)~0U)
+#define S16_MAX         ((s16)(U16_MAX>>1))
+#define S16_MIN         ((s16)(-S16_MAX - 1))
+#define U32_MAX         ((u32)~0U)
+#define S32_MAX         ((s32)(U32_MAX>>1))
+#define S32_MIN         ((s32)(-S32_MAX - 1))
+#define U64_MAX         ((u64)~0ULL)
+#define S64_MAX         ((s64)(U64_MAX>>1))
+#define S64_MIN         ((s64)(-S64_MAX - 1))
+
 #define STACK_MAGIC     0xdeadbeef
 
 #define REPEAT_BYTE(x)  ((~0ul / 0xff) * (x))
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 5fd33dc1fe3a..6d4066cdb5b5 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -170,6 +170,7 @@ unsigned long paddr_vmcoreinfo_note(void);
 
 extern struct kimage *kexec_image;
 extern struct kimage *kexec_crash_image;
+extern int kexec_load_disabled;
 
 #ifndef kexec_flush_icache_page
 #define kexec_flush_icache_page(page)
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index cd0274bebd4c..1ef66360f0b0 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -61,6 +61,7 @@ phys_addr_t memblock_find_in_range_node(phys_addr_t size, phys_addr_t align,
 phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
                                    phys_addr_t size, phys_addr_t align);
 phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
+phys_addr_t get_allocated_memblock_memory_regions_info(phys_addr_t *addr);
 void memblock_allow_resize(void);
 int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid);
 int memblock_add(phys_addr_t base, phys_addr_t size);
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index b3e7a667e03c..abd0113b6620 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -497,10 +497,11 @@ void __memcg_kmem_commit_charge(struct page *page,
 void __memcg_kmem_uncharge_pages(struct page *page, int order);
 
 int memcg_cache_id(struct mem_cgroup *memcg);
-int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s,
-                         struct kmem_cache *root_cache);
-void memcg_release_cache(struct kmem_cache *cachep);
-void memcg_cache_list_add(struct mem_cgroup *memcg, struct kmem_cache *cachep);
+int memcg_alloc_cache_params(struct mem_cgroup *memcg, struct kmem_cache *s,
+                             struct kmem_cache *root_cache);
+void memcg_free_cache_params(struct kmem_cache *s);
+void memcg_register_cache(struct kmem_cache *s);
+void memcg_unregister_cache(struct kmem_cache *s);
 
 int memcg_update_cache_size(struct kmem_cache *s, int num_groups);
 void memcg_update_array_size(int num_groups);
@@ -640,19 +641,21 @@ static inline int memcg_cache_id(struct mem_cgroup *memcg)
         return -1;
 }
 
-static inline int
-memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s,
-                     struct kmem_cache *root_cache)
+static inline int memcg_alloc_cache_params(struct mem_cgroup *memcg,
+                struct kmem_cache *s, struct kmem_cache *root_cache)
 {
         return 0;
 }
 
-static inline void memcg_release_cache(struct kmem_cache *cachep)
+static inline void memcg_free_cache_params(struct kmem_cache *s)
+{
+}
+
+static inline void memcg_register_cache(struct kmem_cache *s)
 {
 }
 
-static inline void memcg_cache_list_add(struct mem_cgroup *memcg,
-                                        struct kmem_cache *s)
+static inline void memcg_unregister_cache(struct kmem_cache *s)
 {
 }
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index a512dd836931..d9992fc128ca 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -5,6 +5,7 @@
 
 #ifdef __KERNEL__
 
+#include <linux/mmdebug.h>
 #include <linux/gfp.h>
 #include <linux/bug.h>
 #include <linux/list.h>
@@ -303,7 +304,7 @@ static inline int get_freepage_migratetype(struct page *page)
  */
 static inline int put_page_testzero(struct page *page)
 {
-        VM_BUG_ON(atomic_read(&page->_count) == 0);
+        VM_BUG_ON_PAGE(atomic_read(&page->_count) == 0, page);
         return atomic_dec_and_test(&page->_count);
 }
 
@@ -364,7 +365,7 @@ static inline int is_vmalloc_or_module_addr(const void *x)
 static inline void compound_lock(struct page *page)
 {
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-        VM_BUG_ON(PageSlab(page));
+        VM_BUG_ON_PAGE(PageSlab(page), page);
         bit_spin_lock(PG_compound_lock, &page->flags);
 #endif
 }
@@ -372,7 +373,7 @@ static inline void compound_lock(struct page *page)
 static inline void compound_unlock(struct page *page)
 {
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-        VM_BUG_ON(PageSlab(page));
+        VM_BUG_ON_PAGE(PageSlab(page), page);
         bit_spin_unlock(PG_compound_lock, &page->flags);
 #endif
 }
@@ -447,7 +448,7 @@ static inline bool __compound_tail_refcounted(struct page *page)
  */
 static inline bool compound_tail_refcounted(struct page *page)
 {
-        VM_BUG_ON(!PageHead(page));
+        VM_BUG_ON_PAGE(!PageHead(page), page);
         return __compound_tail_refcounted(page);
 }
 
@@ -456,9 +457,9 @@ static inline void get_huge_page_tail(struct page *page)
         /*
          * __split_huge_page_refcount() cannot run from under us.
          */
-        VM_BUG_ON(!PageTail(page));
-        VM_BUG_ON(page_mapcount(page) < 0);
-        VM_BUG_ON(atomic_read(&page->_count) != 0);
+        VM_BUG_ON_PAGE(!PageTail(page), page);
+        VM_BUG_ON_PAGE(page_mapcount(page) < 0, page);
+        VM_BUG_ON_PAGE(atomic_read(&page->_count) != 0, page);
         if (compound_tail_refcounted(page->first_page))
                 atomic_inc(&page->_mapcount);
 }
@@ -474,7 +475,7 @@ static inline void get_page(struct page *page)
          * Getting a normal page or the head of a compound page
          * requires to already have an elevated page->_count.
          */
-        VM_BUG_ON(atomic_read(&page->_count) <= 0);
+        VM_BUG_ON_PAGE(atomic_read(&page->_count) <= 0, page);
         atomic_inc(&page->_count);
 }
 
@@ -511,13 +512,13 @@ static inline int PageBuddy(struct page *page)
 
 static inline void __SetPageBuddy(struct page *page)
 {
-        VM_BUG_ON(atomic_read(&page->_mapcount) != -1);
+        VM_BUG_ON_PAGE(atomic_read(&page->_mapcount) != -1, page);
         atomic_set(&page->_mapcount, PAGE_BUDDY_MAPCOUNT_VALUE);
 }
 
 static inline void __ClearPageBuddy(struct page *page)
 {
-        VM_BUG_ON(!PageBuddy(page));
+        VM_BUG_ON_PAGE(!PageBuddy(page), page);
         atomic_set(&page->_mapcount, -1);
 }
 
@@ -1401,7 +1402,7 @@ static inline bool ptlock_init(struct page *page)
          * slab code uses page->slab_cache and page->first_page (for tail
          * pages), which share storage with page->ptl.
          */
-        VM_BUG_ON(*(unsigned long *)&page->ptl);
+        VM_BUG_ON_PAGE(*(unsigned long *)&page->ptl, page);
         if (!ptlock_alloc(page))
                 return false;
         spin_lock_init(ptlock_ptr(page));
@@ -1492,7 +1493,7 @@ static inline bool pgtable_pmd_page_ctor(struct page *page)
 static inline void pgtable_pmd_page_dtor(struct page *page)
 {
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-        VM_BUG_ON(page->pmd_huge_pte);
+        VM_BUG_ON_PAGE(page->pmd_huge_pte, page);
 #endif
         ptlock_free(page);
 }
@@ -2029,8 +2030,6 @@ extern void shake_page(struct page *p, int access);
 extern atomic_long_t num_poisoned_pages;
 extern int soft_offline_page(struct page *page, int flags);
 
-extern void dump_page(struct page *page);
-
 #if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)
 extern void clear_huge_page(struct page *page,
                             unsigned long addr,
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 580bd587d916..5042c036dda9 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -1,10 +1,19 @@
 #ifndef LINUX_MM_DEBUG_H
 #define LINUX_MM_DEBUG_H 1
 
+struct page;
+
+extern void dump_page(struct page *page, char *reason);
+extern void dump_page_badflags(struct page *page, char *reason,
+                               unsigned long badflags);
+
 #ifdef CONFIG_DEBUG_VM
 #define VM_BUG_ON(cond) BUG_ON(cond)
+#define VM_BUG_ON_PAGE(cond, page) \
+        do { if (unlikely(cond)) { dump_page(page, NULL); BUG(); } } while (0)
 #else
 #define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
+#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
 #endif
 
 #ifdef CONFIG_DEBUG_VIRTUAL
diff --git a/include/linux/of.h b/include/linux/of.h
index 276c546980d8..70c64ba17fa5 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -377,8 +377,13 @@ static inline bool of_have_populated_dt(void)
         return false;
 }
 
+/* Kill an unused variable warning on a device_node pointer */
+static inline void __of_use_dn(const struct device_node *np)
+{
+}
+
 #define for_each_child_of_node(parent, child) \
-        while (0)
+        while (__of_use_dn(parent), __of_use_dn(child), 0)
 
 #define for_each_available_child_of_node(parent, child) \
         while (0)
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 98ada58f9942..e464b4e987e8 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -412,7 +412,7 @@ static inline void ClearPageCompound(struct page *page)
  */
 static inline int PageTransHuge(struct page *page)
 {
-        VM_BUG_ON(PageTail(page));
+        VM_BUG_ON_PAGE(PageTail(page), page);
         return PageHead(page);
 }
 
@@ -460,25 +460,25 @@ static inline int PageTransTail(struct page *page)
  */
 static inline int PageSlabPfmemalloc(struct page *page)
 {
-        VM_BUG_ON(!PageSlab(page));
+        VM_BUG_ON_PAGE(!PageSlab(page), page);
         return PageActive(page);
 }
 
 static inline void SetPageSlabPfmemalloc(struct page *page)
 {
-        VM_BUG_ON(!PageSlab(page));
+        VM_BUG_ON_PAGE(!PageSlab(page), page);
         SetPageActive(page);
 }
 
 static inline void __ClearPageSlabPfmemalloc(struct page *page)
 {
-        VM_BUG_ON(!PageSlab(page));
+        VM_BUG_ON_PAGE(!PageSlab(page), page);
         __ClearPageActive(page);
 }
 
 static inline void ClearPageSlabPfmemalloc(struct page *page)
 {
-        VM_BUG_ON(!PageSlab(page));
+        VM_BUG_ON_PAGE(!PageSlab(page), page);
         ClearPageActive(page);
 }
 
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index e3dea75a078b..1710d1b060ba 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -162,7 +162,7 @@ static inline int page_cache_get_speculative(struct page *page)
          * disabling preempt, and hence no need for the "speculative get" that
          * SMP requires.
          */
-        VM_BUG_ON(page_count(page) == 0);
+        VM_BUG_ON_PAGE(page_count(page) == 0, page);
         atomic_inc(&page->_count);
 
 #else
@@ -175,7 +175,7 @@ static inline int page_cache_get_speculative(struct page *page)
                 return 0;
         }
 #endif
-        VM_BUG_ON(PageTail(page));
+        VM_BUG_ON_PAGE(PageTail(page), page);
 
         return 1;
 }
@@ -191,14 +191,14 @@ static inline int page_cache_add_speculative(struct page *page, int count)
 # ifdef CONFIG_PREEMPT_COUNT
         VM_BUG_ON(!in_atomic());
 # endif
-        VM_BUG_ON(page_count(page) == 0);
+        VM_BUG_ON_PAGE(page_count(page) == 0, page);
         atomic_add(count, &page->_count);
 
 #else
         if (unlikely(!atomic_add_unless(&page->_count, count, 0)))
                 return 0;
 #endif
-        VM_BUG_ON(PageCompound(page) && page != compound_head(page));
+        VM_BUG_ON_PAGE(PageCompound(page) && page != compound_head(page), page);
 
         return 1;
 }
@@ -210,7 +210,7 @@ static inline int page_freeze_refs(struct page *page, int count)
 
 static inline void page_unfreeze_refs(struct page *page, int count)
 {
-        VM_BUG_ON(page_count(page) != 0);
+        VM_BUG_ON_PAGE(page_count(page) != 0, page);
         VM_BUG_ON(count == 0);
 
         atomic_set(&page->_count, count);
diff --git a/include/linux/parser.h b/include/linux/parser.h
index ea2281e726f6..39d5b7955b23 100644
--- a/include/linux/parser.h
+++ b/include/linux/parser.h
@@ -29,5 +29,6 @@ int match_token(char *, const match_table_t table, substring_t args[]);
 int match_int(substring_t *, int *result);
 int match_octal(substring_t *, int *result);
 int match_hex(substring_t *, int *result);
+bool match_wildcard(const char *pattern, const char *str);
 size_t match_strlcpy(char *, const substring_t *, size_t);
 char *match_strdup(const substring_t *);
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 9e4761caa80c..e3817d2441b6 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -1,6 +1,7 @@
 #ifndef __LINUX_PERCPU_H
 #define __LINUX_PERCPU_H
 
+#include <linux/mmdebug.h>
 #include <linux/preempt.h>
 #include <linux/smp.h>
 #include <linux/cpumask.h>
diff --git a/include/linux/printk.h b/include/linux/printk.h
index 694925837a16..cc6f74d65167 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -5,6 +5,7 @@
 #include <linux/init.h>
 #include <linux/kern_levels.h>
 #include <linux/linkage.h>
+#include <linux/cache.h>
 
 extern const char linux_banner[];
 extern const char linux_proc_banner[];
@@ -253,17 +254,17 @@ extern asmlinkage void dump_stack(void) __cold;
  */
 
 #ifdef CONFIG_PRINTK
-#define printk_once(fmt, ...)                   \
-({                                              \
-        static bool __print_once;               \
-                                                \
-        if (!__print_once) {                    \
-                __print_once = true;            \
-                printk(fmt, ##__VA_ARGS__);     \
-        }                                       \
+#define printk_once(fmt, ...)                                   \
+({                                                              \
+        static bool __print_once __read_mostly;                 \
+                                                                \
+        if (!__print_once) {                                    \
+                __print_once = true;                            \
+                printk(fmt, ##__VA_ARGS__);                     \
+        }                                                       \
 })
 #else
-#define printk_once(fmt, ...)                   \
+#define printk_once(fmt, ...)                                   \
         no_printk(fmt, ##__VA_ARGS__)
 #endif
 
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index 753207c8ce20..ecc730977a5a 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -14,13 +14,6 @@ ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
 }
 #else
 extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
-extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
-                                                   unsigned long addr,
-                                                   unsigned long len,
-                                                   unsigned long pgoff,
-                                                   unsigned long flags);
-
-extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
 #endif
 
 extern const struct file_operations ramfs_file_operations;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 485234d2fd42..68a0e84463a0 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -229,7 +229,7 @@ extern char ___assert_task_state[1 - 2*!!(
 /* get_task_state() */
 #define TASK_REPORT             (TASK_RUNNING | TASK_INTERRUPTIBLE | \
                                  TASK_UNINTERRUPTIBLE | __TASK_STOPPED | \
-                                 __TASK_TRACED)
+                                 __TASK_TRACED | EXIT_ZOMBIE | EXIT_DEAD)
 
 #define task_is_traced(task)    ((task->state & __TASK_TRACED) != 0)
 #define task_is_stopped(task)   ((task->state & __TASK_STOPPED) != 0)
@@ -391,22 +391,33 @@ arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
 static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
 #endif
 
-
-extern void set_dumpable(struct mm_struct *mm, int value);
-extern int get_dumpable(struct mm_struct *mm);
-
 #define SUID_DUMP_DISABLE       0       /* No setuid dumping */
 #define SUID_DUMP_USER          1       /* Dump as user of process */
 #define SUID_DUMP_ROOT          2       /* Dump as root */
 
 /* mm flags */
-/* dumpable bits */
-#define MMF_DUMPABLE      0  /* core dump is permitted */
-#define MMF_DUMP_SECURELY 1  /* core file is readable only by root */
 
+/* for SUID_DUMP_* above */
 #define MMF_DUMPABLE_BITS 2
 #define MMF_DUMPABLE_MASK ((1 << MMF_DUMPABLE_BITS) - 1)
 
+extern void set_dumpable(struct mm_struct *mm, int value);
+/*
+ * This returns the actual value of the suid_dumpable flag. For things
+ * that are using this for checking for privilege transitions, it must
+ * test against SUID_DUMP_USER rather than treating it as a boolean
+ * value.
+ */
+static inline int __get_dumpable(unsigned long mm_flags)
+{
+        return mm_flags & MMF_DUMPABLE_MASK;
+}
+
+static inline int get_dumpable(struct mm_struct *mm)
+{
+        return __get_dumpable(mm->flags);
+}
+
 /* coredump filter bits */
 #define MMF_DUMP_ANON_PRIVATE   2
 #define MMF_DUMP_ANON_SHARED    3
@@ -1228,7 +1239,6 @@ struct task_struct {
         /* Used for emulating ABI behavior of previous Linux versions */
         unsigned int personality;
 
-        unsigned did_exec:1;
         unsigned in_execve:1;   /* Tell the LSMs that the process is doing an
                                  * execve */
         unsigned in_iowait:1;
@@ -2284,8 +2294,6 @@ extern struct mm_struct *get_task_mm(struct task_struct *task);
 extern struct mm_struct *mm_access(struct task_struct *task, unsigned int mode);
 /* Remove the current tasks stale references to the old mm_struct */
 extern void mm_release(struct task_struct *, struct mm_struct *);
-/* Allocate a new mm structure and copy contents from tsk->mm */
-extern struct mm_struct *dup_mm(struct task_struct *tsk);
 
 extern int copy_thread(unsigned long, unsigned long, unsigned long,
                         struct task_struct *);
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index 31e0193cb0c5..b13cf430764f 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -99,4 +99,8 @@ extern int sched_rt_handler(struct ctl_table *table, int write,
                 void __user *buffer, size_t *lenp,
                 loff_t *ppos);
 
+extern int sysctl_numa_balancing(struct ctl_table *table, int write,
+                                 void __user *buffer, size_t *lenp,
+                                 loff_t *ppos);
+
 #endif /* _SCHED_SYSCTL_H */
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 1e2f4fe12773..a060142aa5f5 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -513,7 +513,9 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
  *
  * Both the root cache and the child caches will have it. For the root cache,
  * this will hold a dynamically allocated array large enough to hold
- * information about the currently limited memcgs in the system.
+ * information about the currently limited memcgs in the system. To allow the
+ * array to be accessed without taking any locks, on relocation we free the old
+ * version only after a grace period.
  *
  * Child caches will hold extra metadata needed for its operation. Fields are:
  *
@@ -528,7 +530,10 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
 struct memcg_cache_params {
         bool is_root_cache;
         union {
-                struct kmem_cache *memcg_caches[0];
+                struct {
+                        struct rcu_head rcu_head;
+                        struct kmem_cache *memcg_caches[0];
+                };
                 struct {
                         struct mem_cgroup *memcg;
                         struct list_head list;
diff --git a/include/linux/w1-gpio.h b/include/linux/w1-gpio.h
index 065e3ae79ab0..d58594a32324 100644
--- a/include/linux/w1-gpio.h
+++ b/include/linux/w1-gpio.h
@@ -20,6 +20,7 @@ struct w1_gpio_platform_data {
         unsigned int is_open_drain:1;
         void (*enable_external_pullup)(int enable);
         unsigned int ext_pullup_enable_pin;
+        unsigned int pullup_duration;
 };
 
 #endif /* _LINUX_W1_GPIO_H */
diff --git a/include/uapi/asm-generic/types.h b/include/uapi/asm-generic/types.h
index bd39806013b5..a3877926b0d4 100644
--- a/include/uapi/asm-generic/types.h
+++ b/include/uapi/asm-generic/types.h
@@ -1,8 +1,7 @@
 #ifndef _ASM_GENERIC_TYPES_H
 #define _ASM_GENERIC_TYPES_H
 /*
- * int-ll64 is used practically everywhere now,
- * so use it as a reasonable default.
+ * int-ll64 is used everywhere now.
  */
 #include <asm-generic/int-ll64.h>
 
diff --git a/include/uapi/linux/dn.h b/include/uapi/linux/dn.h
index 5fbdd3d49eba..4295c745f342 100644
--- a/include/uapi/linux/dn.h
+++ b/include/uapi/linux/dn.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_DN_H
 #define _LINUX_DN_H
 
+#include <linux/ioctl.h>
 #include <linux/types.h>
 #include <linux/if_ether.h>
 
diff --git a/include/uapi/linux/nfs4.h b/include/uapi/linux/nfs4.h
index 788128ebac45..35f5f4c6c260 100644
--- a/include/uapi/linux/nfs4.h
+++ b/include/uapi/linux/nfs4.h
@@ -150,7 +150,7 @@
 #define NFS4_SECINFO_STYLE4_CURRENT_FH  0
 #define NFS4_SECINFO_STYLE4_PARENT      1
 
-#define NFS4_MAX_UINT64 (~(u64)0)
+#define NFS4_MAX_UINT64 (~(__u64)0)
 
 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
  * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index e244ed412745..853bc1ccb395 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -788,7 +788,7 @@ union perf_mem_data_src {
 #define PERF_MEM_TLB_SHIFT      26
 
 #define PERF_MEM_S(a, s) \
-        (((u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT)
+        (((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT)
 
 /*
  * single taken branch record layout:
diff --git a/include/uapi/linux/ppp-ioctl.h b/include/uapi/linux/ppp-ioctl.h
index 2d9a8859550a..63a23a3b8bb7 100644
--- a/include/uapi/linux/ppp-ioctl.h
+++ b/include/uapi/linux/ppp-ioctl.h
@@ -12,6 +12,7 @@
 
 #include <linux/types.h>
 #include <linux/compiler.h>
+#include <linux/ppp_defs.h>
 
 /*
  * Bit definitions for flags argument to PPPIOCGFLAGS/PPPIOCSFLAGS.