Merge branch 'akpm' (patches from Andrew)

Merge fourth set of updates from Andrew Morton:

 - the rest of lib/

 - checkpatch updates

 - a few misc things

 - kasan: kernel address sanitizer

 - the rtc tree

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (108 commits)
  ARM: mvebu: enable Armada 38x RTC driver in mvebu_v7_defconfig
  ARM: mvebu: add Device Tree description of RTC on Armada 38x
  MAINTAINERS: add the RTC driver for the Armada38x
  drivers/rtc/rtc-armada38x: add a new RTC driver for recent mvebu SoCs
  rtc: armada38x: add the device tree binding documentation
  rtc: rtc-ab-b5ze-s3: add sub-minute alarm support
  rtc: add support for Abracon AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip
  of: add vendor prefix for Abracon Corporation
  drivers/rtc/rtc-rk808.c: fix rtc time reading issue
  drivers/rtc/rtc-isl12057.c: constify struct regmap_config
  drivers/rtc/rtc-at91sam9.c: constify struct regmap_config
  drivers/rtc/rtc-imxdi.c: add more known register bits
  drivers/rtc/rtc-imxdi.c: trivial clean up code
  ARM: mvebu: ISL12057 rtc chip can now wake up RN102, RN102 and RN2120
  rtc: rtc-isl12057: add isil,irq2-can-wakeup-machine property for in-tree users
  drivers/rtc/rtc-isl12057.c: add alarm support to Intersil ISL12057 RTC driver
  drivers/rtc/rtc-pcf2123.c: add support for devicetree
  kprobes: makes kprobes/enabled works correctly for optimized kprobes.
  kprobes: set kprobes_all_disarmed earlier to enable re-optimization.
  init: remove CONFIG_INIT_FALLBACK
  ...

17 files changed, 196 insertions, 121 deletions

diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 5f5c00de39f0..dbfbf4990005 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -52,16 +52,13 @@
  * bitmap_bitremap(oldbit, old, new, nbits)     newbit = map(old, new)(oldbit)
  * bitmap_onto(dst, orig, relmap, nbits)        *dst = orig relative to relmap
  * bitmap_fold(dst, orig, sz, nbits)            dst bits = orig bits mod sz
- * bitmap_scnprintf(buf, len, src, nbits)       Print bitmap src to buf
  * bitmap_parse(buf, buflen, dst, nbits)        Parse bitmap dst from kernel buf
  * bitmap_parse_user(ubuf, ulen, dst, nbits)    Parse bitmap dst from user buf
- * bitmap_scnlistprintf(buf, len, src, nbits)   Print bitmap src as list to buf
  * bitmap_parselist(buf, dst, nbits)            Parse bitmap dst from kernel buf
  * bitmap_parselist_user(buf, dst, nbits)       Parse bitmap dst from user buf
  * bitmap_find_free_region(bitmap, bits, order) Find and allocate bit region
  * bitmap_release_region(bitmap, pos, order)    Free specified bit region
  * bitmap_allocate_region(bitmap, pos, order)   Allocate specified bit region
- * bitmap_print_to_pagebuf(list, buf, mask, nbits) Print bitmap src as list/hex
  */
 
 /*
@@ -96,10 +93,10 @@ extern int __bitmap_equal(const unsigned long *bitmap1,
                           const unsigned long *bitmap2, unsigned int nbits);
 extern void __bitmap_complement(unsigned long *dst, const unsigned long *src,
                         unsigned int nbits);
-extern void __bitmap_shift_right(unsigned long *dst,
-                        const unsigned long *src, int shift, int bits);
-extern void __bitmap_shift_left(unsigned long *dst,
-                        const unsigned long *src, int shift, int bits);
+extern void __bitmap_shift_right(unsigned long *dst, const unsigned long *src,
+                                unsigned int shift, unsigned int nbits);
+extern void __bitmap_shift_left(unsigned long *dst, const unsigned long *src,
+                                unsigned int shift, unsigned int nbits);
 extern int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
                         const unsigned long *bitmap2, unsigned int nbits);
 extern void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
@@ -147,14 +144,10 @@ bitmap_find_next_zero_area(unsigned long *map,
                                               align_mask, 0);
 }
 
-extern int bitmap_scnprintf(char *buf, unsigned int len,
-                        const unsigned long *src, int nbits);
 extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user,
                         unsigned long *dst, int nbits);
 extern int bitmap_parse_user(const char __user *ubuf, unsigned int ulen,
                         unsigned long *dst, int nbits);
-extern int bitmap_scnlistprintf(char *buf, unsigned int len,
-                        const unsigned long *src, int nbits);
 extern int bitmap_parselist(const char *buf, unsigned long *maskp,
                         int nmaskbits);
 extern int bitmap_parselist_user(const char __user *ubuf, unsigned int ulen,
@@ -170,7 +163,11 @@ extern void bitmap_fold(unsigned long *dst, const unsigned long *orig,
 extern int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order);
 extern void bitmap_release_region(unsigned long *bitmap, unsigned int pos, int order);
 extern int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order);
-extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
+#ifdef __BIG_ENDIAN
+extern void bitmap_copy_le(unsigned long *dst, const unsigned long *src, unsigned int nbits);
+#else
+#define bitmap_copy_le bitmap_copy
+#endif
 extern unsigned int bitmap_ord_to_pos(const unsigned long *bitmap, unsigned int ord, unsigned int nbits);
 extern int bitmap_print_to_pagebuf(bool list, char *buf,
                                    const unsigned long *maskp, int nmaskbits);
@@ -309,22 +306,22 @@ static inline int bitmap_weight(const unsigned long *src, unsigned int nbits)
         return __bitmap_weight(src, nbits);
 }
 
-static inline void bitmap_shift_right(unsigned long *dst,
-                        const unsigned long *src, int n, int nbits)
+static inline void bitmap_shift_right(unsigned long *dst, const unsigned long *src,
+                                unsigned int shift, int nbits)
 {
         if (small_const_nbits(nbits))
-                *dst = (*src & BITMAP_LAST_WORD_MASK(nbits)) >> n;
+                *dst = (*src & BITMAP_LAST_WORD_MASK(nbits)) >> shift;
         else
-                __bitmap_shift_right(dst, src, n, nbits);
+                __bitmap_shift_right(dst, src, shift, nbits);
 }
 
-static inline void bitmap_shift_left(unsigned long *dst,
-                        const unsigned long *src, int n, int nbits)
+static inline void bitmap_shift_left(unsigned long *dst, const unsigned long *src,
+                                unsigned int shift, unsigned int nbits)
 {
         if (small_const_nbits(nbits))
-                *dst = (*src << n) & BITMAP_LAST_WORD_MASK(nbits);
+                *dst = (*src << shift) & BITMAP_LAST_WORD_MASK(nbits);
         else
-                __bitmap_shift_left(dst, src, n, nbits);
+                __bitmap_shift_left(dst, src, shift, nbits);
 }
 
 static inline int bitmap_parse(const char *buf, unsigned int buflen,
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 02ae99e8e6d3..cdf13ca7cac3 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -66,6 +66,7 @@
 #define __deprecated                    __attribute__((deprecated))
 #define __packed                        __attribute__((packed))
 #define __weak                          __attribute__((weak))
+#define __alias(symbol)         __attribute__((alias(#symbol)))
 
 /*
  * it doesn't make sense on ARM (currently the only user of __naked) to trace
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index d1a558239b1a..769e19864632 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -85,3 +85,7 @@
 #define __HAVE_BUILTIN_BSWAP16__
 #endif
 #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+
+#if GCC_VERSION >= 40902
+#define KASAN_ABI_VERSION 3
+#endif
diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h
index c8c565952548..efee493714eb 100644
--- a/include/linux/compiler-gcc5.h
+++ b/include/linux/compiler-gcc5.h
@@ -63,3 +63,5 @@
 #define __HAVE_BUILTIN_BSWAP64__
 #define __HAVE_BUILTIN_BSWAP16__
 #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+
+#define KASAN_ABI_VERSION 4
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index ff9044286d88..086549a665e2 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -22,6 +22,14 @@ typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
  */
 #define cpumask_bits(maskp) ((maskp)->bits)
 
+/**
+ * cpumask_pr_args - printf args to output a cpumask
+ * @maskp: cpumask to be printed
+ *
+ * Can be used to provide arguments for '%*pb[l]' when printing a cpumask.
+ */
+#define cpumask_pr_args(maskp)          nr_cpu_ids, cpumask_bits(maskp)
+
 #if NR_CPUS == 1
 #define nr_cpu_ids              1
 #else
@@ -539,21 +547,6 @@ static inline void cpumask_copy(struct cpumask *dstp,
 #define cpumask_of(cpu) (get_cpu_mask(cpu))
 
 /**
- * cpumask_scnprintf - print a cpumask into a string as comma-separated hex
- * @buf: the buffer to sprintf into
- * @len: the length of the buffer
- * @srcp: the cpumask to print
- *
- * If len is zero, returns zero.  Otherwise returns the length of the
- * (nul-terminated) @buf string.
- */
-static inline int cpumask_scnprintf(char *buf, int len,
-                                    const struct cpumask *srcp)
-{
-        return bitmap_scnprintf(buf, len, cpumask_bits(srcp), nr_cpumask_bits);
-}
-
-/**
  * cpumask_parse_user - extract a cpumask from a user string
  * @buf: the buffer to extract from
  * @len: the length of the buffer
@@ -564,7 +557,7 @@ static inline int cpumask_scnprintf(char *buf, int len,
 static inline int cpumask_parse_user(const char __user *buf, int len,
                                      struct cpumask *dstp)
 {
-        return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpumask_bits);
+        return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpu_ids);
 }
 
 /**
@@ -579,23 +572,7 @@ static inline int cpumask_parselist_user(const char __user *buf, int len,
                                      struct cpumask *dstp)
 {
         return bitmap_parselist_user(buf, len, cpumask_bits(dstp),
-                                                        nr_cpumask_bits);
-}
-
-/**
- * cpulist_scnprintf - print a cpumask into a string as comma-separated list
- * @buf: the buffer to sprintf into
- * @len: the length of the buffer
- * @srcp: the cpumask to print
- *
- * If len is zero, returns zero.  Otherwise returns the length of the
- * (nul-terminated) @buf string.
- */
-static inline int cpulist_scnprintf(char *buf, int len,
-                                    const struct cpumask *srcp)
-{
-        return bitmap_scnlistprintf(buf, len, cpumask_bits(srcp),
-                                    nr_cpumask_bits);
+                                     nr_cpu_ids);
 }
 
 /**
@@ -610,7 +587,7 @@ static inline int cpumask_parse(const char *buf, struct cpumask *dstp)
         char *nl = strchr(buf, '\n');
         unsigned int len = nl ? (unsigned int)(nl - buf) : strlen(buf);
 
-        return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits);
+        return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpu_ids);
 }
 
 /**
@@ -622,7 +599,7 @@ static inline int cpumask_parse(const char *buf, struct cpumask *dstp)
  */
 static inline int cpulist_parse(const char *buf, struct cpumask *dstp)
 {
-        return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpumask_bits);
+        return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpu_ids);
 }
 
 /**
@@ -817,7 +794,7 @@ static inline ssize_t
 cpumap_print_to_pagebuf(bool list, char *buf, const struct cpumask *mask)
 {
         return bitmap_print_to_pagebuf(list, buf, cpumask_bits(mask),
-                                      nr_cpumask_bits);
+                                      nr_cpu_ids);
 }
 
 /*
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index d3d43ecf148c..696d22312b31 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -175,6 +175,13 @@ extern struct task_group root_task_group;
 # define INIT_NUMA_BALANCING(tsk)
 #endif
 
+#ifdef CONFIG_KASAN
+# define INIT_KASAN(tsk)                                                \
+        .kasan_depth = 1,
+#else
+# define INIT_KASAN(tsk)
+#endif
+
 /*
  *  INIT_TASK is used to set up the first task table, touch at
  * your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -250,6 +257,7 @@ extern struct task_group root_task_group;
         INIT_RT_MUTEXES(tsk)                                            \
         INIT_VTIME(tsk)                                                 \
         INIT_NUMA_BALANCING(tsk)                                        \
+        INIT_KASAN(tsk)                                                 \
 }
 
 
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
new file mode 100644
index 000000000000..72ba725ddf9c
--- /dev/null
+++ b/include/linux/kasan.h
@@ -0,0 +1,89 @@
+#ifndef _LINUX_KASAN_H
+#define _LINUX_KASAN_H
+
+#include <linux/types.h>
+
+struct kmem_cache;
+struct page;
+
+#ifdef CONFIG_KASAN
+
+#define KASAN_SHADOW_SCALE_SHIFT 3
+#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
+
+#include <asm/kasan.h>
+#include <linux/sched.h>
+
+static inline void *kasan_mem_to_shadow(const void *addr)
+{
+        return (void *)((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT)
+                + KASAN_SHADOW_OFFSET;
+}
+
+/* Enable reporting bugs after kasan_disable_current() */
+static inline void kasan_enable_current(void)
+{
+        current->kasan_depth++;
+}
+
+/* Disable reporting bugs for current task */
+static inline void kasan_disable_current(void)
+{
+        current->kasan_depth--;
+}
+
+void kasan_unpoison_shadow(const void *address, size_t size);
+
+void kasan_alloc_pages(struct page *page, unsigned int order);
+void kasan_free_pages(struct page *page, unsigned int order);
+
+void kasan_poison_slab(struct page *page);
+void kasan_unpoison_object_data(struct kmem_cache *cache, void *object);
+void kasan_poison_object_data(struct kmem_cache *cache, void *object);
+
+void kasan_kmalloc_large(const void *ptr, size_t size);
+void kasan_kfree_large(const void *ptr);
+void kasan_kmalloc(struct kmem_cache *s, const void *object, size_t size);
+void kasan_krealloc(const void *object, size_t new_size);
+
+void kasan_slab_alloc(struct kmem_cache *s, void *object);
+void kasan_slab_free(struct kmem_cache *s, void *object);
+
+#define MODULE_ALIGN (PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
+
+int kasan_module_alloc(void *addr, size_t size);
+void kasan_module_free(void *addr);
+
+#else /* CONFIG_KASAN */
+
+#define MODULE_ALIGN 1
+
+static inline void kasan_unpoison_shadow(const void *address, size_t size) {}
+
+static inline void kasan_enable_current(void) {}
+static inline void kasan_disable_current(void) {}
+
+static inline void kasan_alloc_pages(struct page *page, unsigned int order) {}
+static inline void kasan_free_pages(struct page *page, unsigned int order) {}
+
+static inline void kasan_poison_slab(struct page *page) {}
+static inline void kasan_unpoison_object_data(struct kmem_cache *cache,
+                                        void *object) {}
+static inline void kasan_poison_object_data(struct kmem_cache *cache,
+                                        void *object) {}
+
+static inline void kasan_kmalloc_large(void *ptr, size_t size) {}
+static inline void kasan_kfree_large(const void *ptr) {}
+static inline void kasan_kmalloc(struct kmem_cache *s, const void *object,
+                                size_t size) {}
+static inline void kasan_krealloc(const void *object, size_t new_size) {}
+
+static inline void kasan_slab_alloc(struct kmem_cache *s, void *object) {}
+static inline void kasan_slab_free(struct kmem_cache *s, void *object) {}
+
+static inline int kasan_module_alloc(void *addr, size_t size) { return 0; }
+static inline void kasan_module_free(void *addr) {}
+
+#endif /* CONFIG_KASAN */
+
+#endif /* LINUX_KASAN_H */
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index d4e01b358341..71ecdab1671b 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -43,7 +43,6 @@ enum kernfs_node_flag {
         KERNFS_HAS_SEQ_SHOW     = 0x0040,
         KERNFS_HAS_MMAP         = 0x0080,
         KERNFS_LOCKDEP          = 0x0100,
-        KERNFS_STATIC_NAME      = 0x0200,
         KERNFS_SUICIDAL         = 0x0400,
         KERNFS_SUICIDED         = 0x0800,
 };
@@ -291,7 +290,6 @@ struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
                                          umode_t mode, loff_t size,
                                          const struct kernfs_ops *ops,
                                          void *priv, const void *ns,
-                                         bool name_is_static,
                                          struct lock_class_key *key);
 struct kernfs_node *kernfs_create_link(struct kernfs_node *parent,
                                        const char *name,
@@ -369,8 +367,7 @@ kernfs_create_dir_ns(struct kernfs_node *parent, const char *name,
 static inline struct kernfs_node *
 __kernfs_create_file(struct kernfs_node *parent, const char *name,
                      umode_t mode, loff_t size, const struct kernfs_ops *ops,
-                     void *priv, const void *ns, bool name_is_static,
-                     struct lock_class_key *key)
+                     void *priv, const void *ns, struct lock_class_key *key)
 { return ERR_PTR(-ENOSYS); }
 
 static inline struct kernfs_node *
@@ -439,7 +436,7 @@ kernfs_create_file_ns(struct kernfs_node *parent, const char *name,
         key = (struct lock_class_key *)&ops->lockdep_key;
 #endif
         return __kernfs_create_file(parent, name, mode, size, ops, priv, ns,
-                                    false, key);
+                                    key);
 }
 
 static inline struct kernfs_node *
diff --git a/include/linux/module.h b/include/linux/module.h
index b653d7c0a05a..42999fe2dbd0 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -135,7 +135,7 @@ void trim_init_extable(struct module *m);
 #ifdef MODULE
 /* Creates an alias so file2alias.c can find device table. */
 #define MODULE_DEVICE_TABLE(type, name)                                 \
-  extern const struct type##_device_id __mod_##type##__##name##_device_table \
+extern const typeof(name) __mod_##type##__##name##_device_table         \
   __attribute__ ((unused, alias(__stringify(name))))
 #else  /* !MODULE */
 #define MODULE_DEVICE_TABLE(type, name)
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 21cef483dc1b..6e85889cf9ab 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -8,14 +8,13 @@
  * See detailed comments in the file linux/bitmap.h describing the
  * data type on which these nodemasks are based.
  *
- * For details of nodemask_scnprintf() and nodemask_parse_user(),
- * see bitmap_scnprintf() and bitmap_parse_user() in lib/bitmap.c.
- * For details of nodelist_scnprintf() and nodelist_parse(), see
- * bitmap_scnlistprintf() and bitmap_parselist(), also in bitmap.c.
- * For details of node_remap(), see bitmap_bitremap in lib/bitmap.c.
- * For details of nodes_remap(), see bitmap_remap in lib/bitmap.c.
- * For details of nodes_onto(), see bitmap_onto in lib/bitmap.c.
- * For details of nodes_fold(), see bitmap_fold in lib/bitmap.c.
+ * For details of nodemask_parse_user(), see bitmap_parse_user() in
+ * lib/bitmap.c.  For details of nodelist_parse(), see bitmap_parselist(),
+ * also in bitmap.c.  For details of node_remap(), see bitmap_bitremap in
+ * lib/bitmap.c.  For details of nodes_remap(), see bitmap_remap in
+ * lib/bitmap.c.  For details of nodes_onto(), see bitmap_onto in
+ * lib/bitmap.c.  For details of nodes_fold(), see bitmap_fold in
+ * lib/bitmap.c.
  *
  * The available nodemask operations are:
  *
@@ -52,9 +51,7 @@
  * NODE_MASK_NONE                       Initializer - no bits set
  * unsigned long *nodes_addr(mask)      Array of unsigned long's in mask
  *
- * int nodemask_scnprintf(buf, len, mask) Format nodemask for printing
  * int nodemask_parse_user(ubuf, ulen, mask)    Parse ascii string as nodemask
- * int nodelist_scnprintf(buf, len, mask) Format nodemask as list for printing
  * int nodelist_parse(buf, map)         Parse ascii string as nodelist
  * int node_remap(oldbit, old, new)     newbit = map(old, new)(oldbit)
  * void nodes_remap(dst, src, old, new) *dst = map(old, new)(src)
@@ -98,6 +95,14 @@
 typedef struct { DECLARE_BITMAP(bits, MAX_NUMNODES); } nodemask_t;
 extern nodemask_t _unused_nodemask_arg_;
 
+/**
+ * nodemask_pr_args - printf args to output a nodemask
+ * @maskp: nodemask to be printed
+ *
+ * Can be used to provide arguments for '%*pb[l]' when printing a nodemask.
+ */
+#define nodemask_pr_args(maskp)         MAX_NUMNODES, (maskp)->bits
+
 /*
  * The inline keyword gives the compiler room to decide to inline, or
  * not inline a function as it sees best.  However, as these functions
@@ -304,14 +309,6 @@ static inline int __first_unset_node(const nodemask_t *maskp)
 
 #define nodes_addr(src) ((src).bits)
 
-#define nodemask_scnprintf(buf, len, src) \
-                        __nodemask_scnprintf((buf), (len), &(src), MAX_NUMNODES)
-static inline int __nodemask_scnprintf(char *buf, int len,
-                                        const nodemask_t *srcp, int nbits)
-{
-        return bitmap_scnprintf(buf, len, srcp->bits, nbits);
-}
-
 #define nodemask_parse_user(ubuf, ulen, dst) \
                 __nodemask_parse_user((ubuf), (ulen), &(dst), MAX_NUMNODES)
 static inline int __nodemask_parse_user(const char __user *buf, int len,
@@ -320,14 +317,6 @@ static inline int __nodemask_parse_user(const char __user *buf, int len,
         return bitmap_parse_user(buf, len, dstp->bits, nbits);
 }
 
-#define nodelist_scnprintf(buf, len, src) \
-                        __nodelist_scnprintf((buf), (len), &(src), MAX_NUMNODES)
-static inline int __nodelist_scnprintf(char *buf, int len,
-                                        const nodemask_t *srcp, int nbits)
-{
-        return bitmap_scnlistprintf(buf, len, srcp->bits, nbits);
-}
-
 #define nodelist_parse(buf, dst) __nodelist_parse((buf), &(dst), MAX_NUMNODES)
 static inline int __nodelist_parse(const char *buf, nodemask_t *dstp, int nbits)
 {
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 048b91b983ed..41c60e5302d7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1664,6 +1664,9 @@ struct task_struct {
         unsigned long timer_slack_ns;
         unsigned long default_timer_slack_ns;
 
+#ifdef CONFIG_KASAN
+        unsigned int kasan_depth;
+#endif
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
         /* Index of current stored address in ret_stack */
         int curr_ret_stack;
diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h
index 9aafe0e24c68..fb7eb9ccb1cd 100644
--- a/include/linux/seq_buf.h
+++ b/include/linux/seq_buf.h
@@ -125,9 +125,6 @@ extern int seq_buf_putmem_hex(struct seq_buf *s, const void *mem,
                               unsigned int len);
 extern int seq_buf_path(struct seq_buf *s, const struct path *path, const char *esc);
 
-extern int seq_buf_bitmask(struct seq_buf *s, const unsigned long *maskp,
-                           int nmaskbits);
-
 #ifdef CONFIG_BINARY_PRINTF
 extern int
 seq_buf_bprintf(struct seq_buf *s, const char *fmt, const u32 *binary);
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index cf6a9daaaf6d..afbb1fd77c77 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -126,31 +126,6 @@ int seq_path(struct seq_file *, const struct path *, const char *);
 int seq_dentry(struct seq_file *, struct dentry *, const char *);
 int seq_path_root(struct seq_file *m, const struct path *path,
                   const struct path *root, const char *esc);
-int seq_bitmap(struct seq_file *m, const unsigned long *bits,
-                                   unsigned int nr_bits);
-static inline int seq_cpumask(struct seq_file *m, const struct cpumask *mask)
-{
-        return seq_bitmap(m, cpumask_bits(mask), nr_cpu_ids);
-}
-
-static inline int seq_nodemask(struct seq_file *m, nodemask_t *mask)
-{
-        return seq_bitmap(m, mask->bits, MAX_NUMNODES);
-}
-
-int seq_bitmap_list(struct seq_file *m, const unsigned long *bits,
-                unsigned int nr_bits);
-
-static inline int seq_cpumask_list(struct seq_file *m,
-                                   const struct cpumask *mask)
-{
-        return seq_bitmap_list(m, cpumask_bits(mask), nr_cpu_ids);
-}
-
-static inline int seq_nodemask_list(struct seq_file *m, nodemask_t *mask)
-{
-        return seq_bitmap_list(m, mask->bits, MAX_NUMNODES);
-}
 
 int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
 int single_open_size(struct file *, int (*)(struct seq_file *, void *), void *, size_t);
diff --git a/include/linux/slab.h b/include/linux/slab.h
index ed2ffaab59ea..76f1feeabd38 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -104,6 +104,7 @@
                                 (unsigned long)ZERO_SIZE_PTR)
 
 #include <linux/kmemleak.h>
+#include <linux/kasan.h>
 
 struct mem_cgroup;
 /*
@@ -325,7 +326,10 @@ kmem_cache_alloc_node_trace(struct kmem_cache *s,
 static __always_inline void *kmem_cache_alloc_trace(struct kmem_cache *s,
                 gfp_t flags, size_t size)
 {
-        return kmem_cache_alloc(s, flags);
+        void *ret = kmem_cache_alloc(s, flags);
+
+        kasan_kmalloc(s, ret, size);
+        return ret;
 }
 
 static __always_inline void *
@@ -333,7 +337,10 @@ kmem_cache_alloc_node_trace(struct kmem_cache *s,
                               gfp_t gfpflags,
                               int node, size_t size)
 {
-        return kmem_cache_alloc_node(s, gfpflags, node);
+        void *ret = kmem_cache_alloc_node(s, gfpflags, node);
+
+        kasan_kmalloc(s, ret, size);
+        return ret;
 }
 #endif /* CONFIG_TRACING */
 
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 9abf04ed0999..33885118523c 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -110,4 +110,23 @@ static inline void sysfs_slab_remove(struct kmem_cache *s)
 }
 #endif
 
+
+/**
+ * virt_to_obj - returns address of the beginning of object.
+ * @s: object's kmem_cache
+ * @slab_page: address of slab page
+ * @x: address within object memory range
+ *
+ * Returns address of the beginning of object
+ */
+static inline void *virt_to_obj(struct kmem_cache *s,
+                                const void *slab_page,
+                                const void *x)
+{
+        return (void *)x - ((x - slab_page) % s->size);
+}
+
+void object_err(struct kmem_cache *s, struct page *page,
+                u8 *object, char *reason);
+
 #endif /* _LINUX_SLUB_DEF_H */
diff --git a/include/linux/string.h b/include/linux/string.h
index b9bc9a5d9e21..e40099e585c9 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -112,7 +112,10 @@ extern void * memchr(const void *,int,__kernel_size_t);
 #endif
 void *memchr_inv(const void *s, int c, size_t n);
 
+extern void kfree_const(const void *x);
+
 extern char *kstrdup(const char *s, gfp_t gfp);
+extern const char *kstrdup_const(const char *s, gfp_t gfp);
 extern char *kstrndup(const char *s, size_t len, gfp_t gfp);
 extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
 
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index b87696fdf06a..7d7acb35603d 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -16,6 +16,7 @@ struct vm_area_struct;		/* vma defining user mapping in mm_types.h */
 #define VM_USERMAP              0x00000008      /* suitable for remap_vmalloc_range */
 #define VM_VPAGES               0x00000010      /* buffer for pages was vmalloc'ed */
 #define VM_UNINITIALIZED        0x00000020      /* vm_struct is not fully initialized */
+#define VM_NO_GUARD             0x00000040      /* don't add guard page */
 /* bits [20..32] reserved for arch specific ioremap internals */
 
 /*
@@ -75,7 +76,9 @@ extern void *vmalloc_32_user(unsigned long size);
 extern void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot);
 extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
                         unsigned long start, unsigned long end, gfp_t gfp_mask,
-                        pgprot_t prot, int node, const void *caller);
+                        pgprot_t prot, unsigned long vm_flags, int node,
+                        const void *caller);
+
 extern void vfree(const void *addr);
 
 extern void *vmap(struct page **pages, unsigned int count,
@@ -96,8 +99,12 @@ void vmalloc_sync_all(void);
 
 static inline size_t get_vm_area_size(const struct vm_struct *area)
 {
-        /* return actual size without guard page */
-        return area->size - PAGE_SIZE;
+        if (!(area->flags & VM_NO_GUARD))
+                /* return actual size without guard page */
+                return area->size - PAGE_SIZE;
+        else
+                return area->size;
+
 }
 
 extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);