diff options
Diffstat (limited to 'include/linux/slab_def.h')
-rw-r--r-- | include/linux/slab_def.h | 54 |
1 files changed, 17 insertions, 37 deletions
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index 8bb6e0eaf3c6..cd401580bdd3 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h @@ -11,8 +11,6 @@ */ #include <linux/init.h> -#include <asm/page.h> /* kmalloc_sizes.h needs PAGE_SIZE */ -#include <asm/cache.h> /* kmalloc_sizes.h needs L1_CACHE_BYTES */ #include <linux/compiler.h> /* @@ -97,23 +95,13 @@ struct kmem_cache { * pointer for each node since "nodelists" uses the remainder of * available pointers. */ - struct kmem_list3 **nodelists; + struct kmem_cache_node **node; struct array_cache *array[NR_CPUS + MAX_NUMNODES]; /* * Do not add fields after array[] */ }; -/* Size description struct for general caches. */ -struct cache_sizes { - size_t cs_size; - struct kmem_cache *cs_cachep; -#ifdef CONFIG_ZONE_DMA - struct kmem_cache *cs_dmacachep; -#endif -}; -extern struct cache_sizes malloc_sizes[]; - void *kmem_cache_alloc(struct kmem_cache *, gfp_t); void *__kmalloc(size_t size, gfp_t flags); @@ -133,26 +121,22 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags) void *ret; if (__builtin_constant_p(size)) { - int i = 0; + int i; if (!size) return ZERO_SIZE_PTR; -#define CACHE(x) \ - if (size <= x) \ - goto found; \ - else \ - i++; -#include <linux/kmalloc_sizes.h> -#undef CACHE - return NULL; -found: + if (WARN_ON_ONCE(size > KMALLOC_MAX_SIZE)) + return NULL; + + i = kmalloc_index(size); + #ifdef CONFIG_ZONE_DMA if (flags & GFP_DMA) - cachep = malloc_sizes[i].cs_dmacachep; + cachep = kmalloc_dma_caches[i]; else #endif - cachep = malloc_sizes[i].cs_cachep; + cachep = kmalloc_caches[i]; ret = kmem_cache_alloc_trace(cachep, flags, size); @@ -186,26 +170,22 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node) struct kmem_cache *cachep; if (__builtin_constant_p(size)) { - int i = 0; + int i; if (!size) return ZERO_SIZE_PTR; -#define CACHE(x) \ - if (size <= x) \ - goto found; \ - else \ - i++; -#include <linux/kmalloc_sizes.h> -#undef CACHE - return NULL; -found: + if (WARN_ON_ONCE(size > KMALLOC_MAX_SIZE)) + return NULL; + + i = kmalloc_index(size); + #ifdef CONFIG_ZONE_DMA if (flags & GFP_DMA) - cachep = malloc_sizes[i].cs_dmacachep; + cachep = kmalloc_dma_caches[i]; else #endif - cachep = malloc_sizes[i].cs_cachep; + cachep = kmalloc_caches[i]; return kmem_cache_alloc_node_trace(cachep, flags, node, size); } |