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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-08 10:33:05 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-08 10:33:05 -0800 |
| commit | f78bb8ad482267b92c122f0e37a7dce69c880247 (patch) | |
| tree | 0e43a4aabbf7a74c6253b1ecd30e3f6c8eccec43 /mm | |
| parent | 7986824e4e31d6c66f39d2f11ab93fcfed21f593 (diff) | |
| download | kernel-common-f78bb8ad482267b92c122f0e37a7dce69c880247.tar.gz kernel-common-f78bb8ad482267b92c122f0e37a7dce69c880247.tar.bz2 kernel-common-f78bb8ad482267b92c122f0e37a7dce69c880247.zip | |
slab: fix calculate_slab_order() for SLAB_RECLAIM_ACCOUNT
Instead of having a hard-to-read and confusing conditional in the
caller, just make the slab order calculation handle this special case,
since it's simple and obvious there.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slab.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/mm/slab.c b/mm/slab.c index f2e92dc1c9ce..6ad6bd5a0b3e 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1648,6 +1648,14 @@ static inline size_t calculate_slab_order(struct kmem_cache *cachep, left_over = remainder; /* + * A VFS-reclaimable slab tends to have most allocations + * as GFP_NOFS and we really don't want to have to be allocating + * higher-order pages when we are unable to shrink dcache. + */ + if (flags & SLAB_RECLAIM_ACCOUNT) + break; + + /* * Large number of objects is good, but very large slabs are * currently bad for the gfp()s. */ @@ -1869,17 +1877,7 @@ kmem_cache_create (const char *name, size_t size, size_t align, size = ALIGN(size, align); - if ((flags & SLAB_RECLAIM_ACCOUNT) && size <= PAGE_SIZE) { - /* - * A VFS-reclaimable slab tends to have most allocations - * as GFP_NOFS and we really don't want to have to be allocating - * higher-order pages when we are unable to shrink dcache. - */ - cachep->gfporder = 0; - cache_estimate(cachep->gfporder, size, align, flags, - &left_over, &cachep->num); - } else - left_over = calculate_slab_order(cachep, size, align, flags); + left_over = calculate_slab_order(cachep, size, align, flags); if (!cachep->num) { printk("kmem_cache_create: couldn't create cache %s.\n", name); |