diff options
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 14 |
1 files changed, 11 insertions, 3 deletions
| @@ -5,7 +5,7 @@ | |||
| 5 | * The allocator synchronizes using per slab locks and only | 5 | * The allocator synchronizes using per slab locks and only |
| 6 | * uses a centralized lock to manage a pool of partial slabs. | 6 | * uses a centralized lock to manage a pool of partial slabs. |
| 7 | * | 7 | * |
| 8 | * (C) 2007 SGI, Christoph Lameter <clameter@sgi.com> | 8 | * (C) 2007 SGI, Christoph Lameter |
| 9 | */ | 9 | */ |
| 10 | 10 | ||
| 11 | #include <linux/mm.h> | 11 | #include <linux/mm.h> |
| @@ -2995,8 +2995,6 @@ void __init kmem_cache_init(void) | |||
| 2995 | create_kmalloc_cache(&kmalloc_caches[1], | 2995 | create_kmalloc_cache(&kmalloc_caches[1], |
| 2996 | "kmalloc-96", 96, GFP_KERNEL); | 2996 | "kmalloc-96", 96, GFP_KERNEL); |
| 2997 | caches++; | 2997 | caches++; |
| 2998 | } | ||
| 2999 | if (KMALLOC_MIN_SIZE <= 128) { | ||
| 3000 | create_kmalloc_cache(&kmalloc_caches[2], | 2998 | create_kmalloc_cache(&kmalloc_caches[2], |
| 3001 | "kmalloc-192", 192, GFP_KERNEL); | 2999 | "kmalloc-192", 192, GFP_KERNEL); |
| 3002 | caches++; | 3000 | caches++; |
| @@ -3026,6 +3024,16 @@ void __init kmem_cache_init(void) | |||
| 3026 | for (i = 8; i < KMALLOC_MIN_SIZE; i += 8) | 3024 | for (i = 8; i < KMALLOC_MIN_SIZE; i += 8) |
| 3027 | size_index[(i - 1) / 8] = KMALLOC_SHIFT_LOW; | 3025 | size_index[(i - 1) / 8] = KMALLOC_SHIFT_LOW; |
| 3028 | 3026 | ||
| 3027 | if (KMALLOC_MIN_SIZE == 128) { | ||
| 3028 | /* | ||
| 3029 | * The 192 byte sized cache is not used if the alignment | ||
| 3030 | * is 128 byte. Redirect kmalloc to use the 256 byte cache | ||
| 3031 | * instead. | ||
| 3032 | */ | ||
| 3033 | for (i = 128 + 8; i <= 192; i += 8) | ||
| 3034 | size_index[(i - 1) / 8] = 8; | ||
| 3035 | } | ||
| 3036 | |||
| 3029 | slab_state = UP; | 3037 | slab_state = UP; |
| 3030 | 3038 | ||
| 3031 | /* Provide the correct kmalloc names now that the caches are up */ | 3039 | /* Provide the correct kmalloc names now that the caches are up */ |
