Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[sfrench/cifs-2.6.git] / mm / slab.h

diff --git a/mm/slab.h b/mm/slab.h
index 028cdc7df67ec9e08a683ba27e64b17b19e7612e..ad657ffa44e5db782c08ba53a71a6ccbc2089800 100644 (file)
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -21,7 +21,7 @@ struct kmem_cache {
        unsigned int object_size;/* The original size of the object */
        unsigned int size;      /* The aligned/padded/added on size  */
        unsigned int align;     /* Alignment as calculated */
-       unsigned long flags;    /* Active flags on the slab */
+       slab_flags_t flags;     /* Active flags on the slab */
        const char *name;       /* Slab name for sysfs */
        int refcount;           /* Use counter */
        void (*ctor)(void *);   /* Called on object slot creation */
@@ -40,7 +40,6 @@ struct kmem_cache {
 
 #include <linux/memcontrol.h>
 #include <linux/fault-inject.h>
-#include <linux/kmemcheck.h>
 #include <linux/kasan.h>
 #include <linux/kmemleak.h>
 #include <linux/random.h>
@@ -79,13 +78,13 @@ extern const struct kmalloc_info_struct {
        unsigned long size;
 } kmalloc_info[];
 
-unsigned long calculate_alignment(unsigned long flags,
+unsigned long calculate_alignment(slab_flags_t flags,
                unsigned long align, unsigned long size);
 
 #ifndef CONFIG_SLOB
 /* Kmalloc array related functions */
 void setup_kmalloc_cache_index_table(void);
-void create_kmalloc_caches(unsigned long);
+void create_kmalloc_caches(slab_flags_t);
 
 /* Find the kmalloc slab corresponding for a certain size */
 struct kmem_cache *kmalloc_slab(size_t, gfp_t);
@@ -93,32 +92,32 @@ struct kmem_cache *kmalloc_slab(size_t, gfp_t);
 
 
 /* Functions provided by the slab allocators */
-extern int __kmem_cache_create(struct kmem_cache *, unsigned long flags);
+int __kmem_cache_create(struct kmem_cache *, slab_flags_t flags);
 
 extern struct kmem_cache *create_kmalloc_cache(const char *name, size_t size,
-                       unsigned long flags);
+                       slab_flags_t flags);
 extern void create_boot_cache(struct kmem_cache *, const char *name,
-                       size_t size, unsigned long flags);
+                       size_t size, slab_flags_t flags);
 
 int slab_unmergeable(struct kmem_cache *s);
 struct kmem_cache *find_mergeable(size_t size, size_t align,
-               unsigned long flags, const char *name, void (*ctor)(void *));
+               slab_flags_t flags, const char *name, void (*ctor)(void *));
 #ifndef CONFIG_SLOB
 struct kmem_cache *
 __kmem_cache_alias(const char *name, size_t size, size_t align,
-                  unsigned long flags, void (*ctor)(void *));
+                  slab_flags_t flags, void (*ctor)(void *));
 
-unsigned long kmem_cache_flags(unsigned long object_size,
-       unsigned long flags, const char *name,
+slab_flags_t kmem_cache_flags(unsigned long object_size,
+       slab_flags_t flags, const char *name,
        void (*ctor)(void *));
 #else
 static inline struct kmem_cache *
 __kmem_cache_alias(const char *name, size_t size, size_t align,
-                  unsigned long flags, void (*ctor)(void *))
+                  slab_flags_t flags, void (*ctor)(void *))
 { return NULL; }
 
-static inline unsigned long kmem_cache_flags(unsigned long object_size,
-       unsigned long flags, const char *name,
+static inline slab_flags_t kmem_cache_flags(unsigned long object_size,
+       slab_flags_t flags, const char *name,
        void (*ctor)(void *))
 {
        return flags;
@@ -142,10 +141,10 @@ static inline unsigned long kmem_cache_flags(unsigned long object_size,
 #if defined(CONFIG_SLAB)
 #define SLAB_CACHE_FLAGS (SLAB_MEM_SPREAD | SLAB_NOLEAKTRACE | \
                          SLAB_RECLAIM_ACCOUNT | SLAB_TEMPORARY | \
-                         SLAB_NOTRACK | SLAB_ACCOUNT)
+                         SLAB_ACCOUNT)
 #elif defined(CONFIG_SLUB)
 #define SLAB_CACHE_FLAGS (SLAB_NOLEAKTRACE | SLAB_RECLAIM_ACCOUNT | \
-                         SLAB_TEMPORARY | SLAB_NOTRACK | SLAB_ACCOUNT)
+                         SLAB_TEMPORARY | SLAB_ACCOUNT)
 #else
 #define SLAB_CACHE_FLAGS (0)
 #endif
@@ -164,7 +163,6 @@ static inline unsigned long kmem_cache_flags(unsigned long object_size,
                              SLAB_NOLEAKTRACE | \
                              SLAB_RECLAIM_ACCOUNT | \
                              SLAB_TEMPORARY | \
-                             SLAB_NOTRACK | \
                              SLAB_ACCOUNT)
 
 int __kmem_cache_shutdown(struct kmem_cache *);
@@ -259,7 +257,7 @@ cache_from_memcg_idx(struct kmem_cache *s, int idx)
         * memcg_caches issues a write barrier to match this (see
         * memcg_create_kmem_cache()).
         */
-       cachep = lockless_dereference(arr->entries[idx]);
+       cachep = READ_ONCE(arr->entries[idx]);
        rcu_read_unlock();
 
        return cachep;
@@ -439,7 +437,6 @@ static inline void slab_post_alloc_hook(struct kmem_cache *s, gfp_t flags,
        for (i = 0; i < size; i++) {
                void *object = p[i];
 
-               kmemcheck_slab_alloc(s, flags, object, slab_ksize(s));
                kmemleak_alloc_recursive(object, s->object_size, 1,
                                         s->flags, flags);
                kasan_slab_alloc(s, object, flags);
@@ -506,6 +503,14 @@ void *memcg_slab_next(struct seq_file *m, void *p, loff_t *pos);
 void memcg_slab_stop(struct seq_file *m, void *p);
 int memcg_slab_show(struct seq_file *m, void *p);
 
+#if defined(CONFIG_SLAB) || defined(CONFIG_SLUB_DEBUG)
+void dump_unreclaimable_slab(void);
+#else
+static inline void dump_unreclaimable_slab(void)
+{
+}
+#endif
+
 void ___cache_free(struct kmem_cache *cache, void *x, unsigned long addr);
 
 #ifdef CONFIG_SLAB_FREELIST_RANDOM