diff options
Diffstat (limited to 'include/linux/slub_def.h')
| -rw-r--r-- | include/linux/slub_def.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index d82abd40a3c0..33885118523c 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -85,7 +85,7 @@ struct kmem_cache { struct kobject kobj; /* For sysfs */ #endif #ifdef CONFIG_MEMCG_KMEM - struct memcg_cache_params *memcg_params; + struct memcg_cache_params memcg_params; int max_attr_size; /* for propagation, maximum size of a stored attr */ #ifdef CONFIG_SYSFS struct kset *memcg_kset; @@ -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 */ |