Commit 3ea9eed4 authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
  slub: Do not use 192 byte sized cache if minimum alignment is 128 byte
parents 852bb9f5 41d54d3b
......@@ -137,10 +137,12 @@ static __always_inline int kmalloc_index(size_t size)
if (size <= KMALLOC_MIN_SIZE)
return KMALLOC_SHIFT_LOW;
#if KMALLOC_MIN_SIZE <= 64
if (size > 64 && size <= 96)
return 1;
if (size > 128 && size <= 192)
return 2;
#endif
if (size <= 8) return 3;
if (size <= 16) return 4;
if (size <= 32) return 5;
......
......@@ -2995,8 +2995,6 @@ void __init kmem_cache_init(void)
create_kmalloc_cache(&kmalloc_caches[1],
"kmalloc-96", 96, GFP_KERNEL);
caches++;
}
if (KMALLOC_MIN_SIZE <= 128) {
create_kmalloc_cache(&kmalloc_caches[2],
"kmalloc-192", 192, GFP_KERNEL);
caches++;
......@@ -3026,6 +3024,16 @@ void __init kmem_cache_init(void)
for (i = 8; i < KMALLOC_MIN_SIZE; i += 8)
size_index[(i - 1) / 8] = KMALLOC_SHIFT_LOW;
if (KMALLOC_MIN_SIZE == 128) {
/*
* The 192 byte sized cache is not used if the alignment
* is 128 byte. Redirect kmalloc to use the 256 byte cache
* instead.
*/
for (i = 128 + 8; i <= 192; i += 8)
size_index[(i - 1) / 8] = 8;
}
slab_state = UP;
/* Provide the correct kmalloc names now that the caches are up */
......
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