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| author | Christoph Lameter <clameter@sgi.com> | 2007-07-17 04:03:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 10:23:01 -0700 |
| commit | 7b55f620e6908fec2d51751320c2a9459b5f375f (patch) | |
| tree | 6fb32a7051b4358018fb26a3125e3b9621418abe /mm/slub.c | |
| parent | f1b263393626fe66bee34ccdbf0487cd377e0213 (diff) | |
| download | lwn-7b55f620e6908fec2d51751320c2a9459b5f375f.tar.gz lwn-7b55f620e6908fec2d51751320c2a9459b5f375f.zip | |
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>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/mm/slub.c b/mm/slub.c index 71988f9b9c55..2ae2dae12d9a 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -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); |