diff options
Diffstat (limited to 'include/linux/slab_def.h')
| -rw-r--r-- | include/linux/slab_def.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index abc7de77b988..f0ffad6a3365 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h @@ -2,6 +2,7 @@ #ifndef _LINUX_SLAB_DEF_H #define _LINUX_SLAB_DEF_H +#include <linux/kfence.h> #include <linux/reciprocal_div.h> /* @@ -32,7 +33,6 @@ struct kmem_cache { size_t colour; /* cache colouring range */ unsigned int colour_off; /* colour offset */ - struct kmem_cache *freelist_cache; unsigned int freelist_size; /* constructor func */ @@ -72,9 +72,6 @@ struct kmem_cache { int obj_offset; #endif /* CONFIG_DEBUG_SLAB */ -#ifdef CONFIG_MEMCG - struct memcg_cache_params memcg_params; -#endif #ifdef CONFIG_KASAN struct kasan_cache kasan_info; #endif @@ -89,11 +86,11 @@ struct kmem_cache { struct kmem_cache_node *node[MAX_NUMNODES]; }; -static inline void *nearest_obj(struct kmem_cache *cache, struct page *page, +static inline void *nearest_obj(struct kmem_cache *cache, const struct slab *slab, void *x) { - void *object = x - (x - page->s_mem) % cache->size; - void *last_object = page->s_mem + (cache->num - 1) * cache->size; + void *object = x - (x - slab->s_mem) % cache->size; + void *last_object = slab->s_mem + (cache->num - 1) * cache->size; if (unlikely(object > last_object)) return last_object; @@ -108,10 +105,18 @@ static inline void *nearest_obj(struct kmem_cache *cache, struct page *page, * reciprocal_divide(offset, cache->reciprocal_buffer_size) */ static inline unsigned int obj_to_index(const struct kmem_cache *cache, - const struct page *page, void *obj) + const struct slab *slab, void *obj) { - u32 offset = (obj - page->s_mem); + u32 offset = (obj - slab->s_mem); return reciprocal_divide(offset, cache->reciprocal_buffer_size); } +static inline int objs_per_slab(const struct kmem_cache *cache, + const struct slab *slab) +{ + if (is_kfence_address(slab_address(slab))) + return 1; + return cache->num; +} + #endif /* _LINUX_SLAB_DEF_H */ |