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SLUB: Simplify dma index -> size calculation 

There is no need to caculate the dma slab size ourselves. We can simply
lookup the size of the corresponding non dma slab.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Lameter 2007-07-17 04:03:27 -07:00 committed by Linus Torvalds
parent f1b2633936
commit 7b55f620e6
1 changed files with 1 additions and 9 deletions
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10
mm/slub.c
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@ -2289,15 +2289,7 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
if (!x)
panic("Unable to allocate memory for dma cache\n");
if (index <= KMALLOC_SHIFT_HIGH)
realsize = 1 << index;
else {
if (index == 1)
realsize = 96;
else
realsize = 192;
}
realsize = kmalloc_caches[index].objsize;
text = kasprintf(flags & ~SLUB_DMA, "kmalloc_dma-%d",
(unsigned int)realsize);
s = create_kmalloc_cache(x, text, realsize, flags);