diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/kmalloc_sizes.h | 45 | ||||
| -rw-r--r-- | include/linux/slab_def.h | 47 |
2 files changed, 12 insertions, 80 deletions
diff --git a/include/linux/kmalloc_sizes.h b/include/linux/kmalloc_sizes.h deleted file mode 100644 index e576b848ce10..000000000000 --- a/include/linux/kmalloc_sizes.h +++ /dev/null @@ -1,45 +0,0 @@ -#if (PAGE_SIZE == 4096) - CACHE(32) -#endif - CACHE(64) -#if L1_CACHE_BYTES < 64 - CACHE(96) -#endif - CACHE(128) -#if L1_CACHE_BYTES < 128 - CACHE(192) -#endif - CACHE(256) - CACHE(512) - CACHE(1024) - CACHE(2048) - CACHE(4096) - CACHE(8192) - CACHE(16384) - CACHE(32768) - CACHE(65536) - CACHE(131072) -#if KMALLOC_MAX_SIZE >= 262144 - CACHE(262144) -#endif -#if KMALLOC_MAX_SIZE >= 524288 - CACHE(524288) -#endif -#if KMALLOC_MAX_SIZE >= 1048576 - CACHE(1048576) -#endif -#if KMALLOC_MAX_SIZE >= 2097152 - CACHE(2097152) -#endif -#if KMALLOC_MAX_SIZE >= 4194304 - CACHE(4194304) -#endif -#if KMALLOC_MAX_SIZE >= 8388608 - CACHE(8388608) -#endif -#if KMALLOC_MAX_SIZE >= 16777216 - CACHE(16777216) -#endif -#if KMALLOC_MAX_SIZE >= 33554432 - CACHE(33554432) -#endif diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index 8bb6e0eaf3c6..e0f30ef9525d 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> /* @@ -104,15 +102,8 @@ struct kmem_cache { */ }; -/* 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[]; +extern struct kmem_cache *kmalloc_caches[PAGE_SHIFT + MAX_ORDER]; +extern struct kmem_cache *kmalloc_dma_caches[PAGE_SHIFT + MAX_ORDER]; void *kmem_cache_alloc(struct kmem_cache *, gfp_t); void *__kmalloc(size_t size, gfp_t flags); @@ -133,26 +124,19 @@ 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: + 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 +170,19 @@ 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: + 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); } |