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-rw-r--r--mm/slab.h32
1 files changed, 24 insertions, 8 deletions
diff --git a/mm/slab.h b/mm/slab.h
index 1a756a359fa8..076582f58f68 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -110,8 +110,7 @@ __kmem_cache_alias(const char *name, unsigned int size, unsigned int align,
slab_flags_t flags, void (*ctor)(void *));
slab_flags_t kmem_cache_flags(unsigned int object_size,
- slab_flags_t flags, const char *name,
- void (*ctor)(void *));
+ slab_flags_t flags, const char *name);
#else
static inline struct kmem_cache *
__kmem_cache_alias(const char *name, unsigned int size, unsigned int align,
@@ -119,8 +118,7 @@ __kmem_cache_alias(const char *name, unsigned int size, unsigned int align,
{ return NULL; }
static inline slab_flags_t kmem_cache_flags(unsigned int object_size,
- slab_flags_t flags, const char *name,
- void (*ctor)(void *))
+ slab_flags_t flags, const char *name)
{
return flags;
}
@@ -240,7 +238,7 @@ static inline bool kmem_cache_debug_flags(struct kmem_cache *s, slab_flags_t fla
#ifdef CONFIG_MEMCG_KMEM
int memcg_alloc_page_obj_cgroups(struct page *page, struct kmem_cache *s,
- gfp_t gfp);
+ gfp_t gfp, bool new_page);
static inline void memcg_free_page_obj_cgroups(struct page *page)
{
@@ -317,7 +315,8 @@ static inline void memcg_slab_post_alloc_hook(struct kmem_cache *s,
page = virt_to_head_page(p[i]);
if (!page_objcgs(page) &&
- memcg_alloc_page_obj_cgroups(page, s, flags)) {
+ memcg_alloc_page_obj_cgroups(page, s, flags,
+ false)) {
obj_cgroup_uncharge(objcg, obj_full_size(s));
continue;
}
@@ -381,7 +380,8 @@ static inline struct mem_cgroup *memcg_from_slab_obj(void *ptr)
}
static inline int memcg_alloc_page_obj_cgroups(struct page *page,
- struct kmem_cache *s, gfp_t gfp)
+ struct kmem_cache *s, gfp_t gfp,
+ bool new_page)
{
return 0;
}
@@ -422,8 +422,12 @@ static inline struct kmem_cache *virt_to_cache(const void *obj)
}
static __always_inline void account_slab_page(struct page *page, int order,
- struct kmem_cache *s)
+ struct kmem_cache *s,
+ gfp_t gfp)
{
+ if (memcg_kmem_enabled() && (s->flags & SLAB_ACCOUNT))
+ memcg_alloc_page_obj_cgroups(page, s, gfp, true);
+
mod_node_page_state(page_pgdat(page), cache_vmstat_idx(s),
PAGE_SIZE << order);
}
@@ -615,4 +619,16 @@ static inline bool slab_want_init_on_free(struct kmem_cache *c)
return false;
}
+#define KS_ADDRS_COUNT 16
+struct kmem_obj_info {
+ void *kp_ptr;
+ struct page *kp_page;
+ void *kp_objp;
+ unsigned long kp_data_offset;
+ struct kmem_cache *kp_slab_cache;
+ void *kp_ret;
+ void *kp_stack[KS_ADDRS_COUNT];
+};
+void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page);
+
#endif /* MM_SLAB_H */