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mm/slub: use get_order() instead of fls() 

get_order() is more easy to understand.

This patch just replaces it.

Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wei Yang 2015-11-05 18:45:48 -08:00 committed by Linus Torvalds
parent 422ff4d70c
commit 033fd1bd3c
1 changed files with 1 additions and 2 deletions
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mm/slub.c
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@ -2912,8 +2912,7 @@ static inline int slab_order(int size, int min_objects,
if (order_objects(min_order, size, reserved) > MAX_OBJS_PER_PAGE)
return get_order(size * MAX_OBJS_PER_PAGE) - 1;
for (order = max(min_order,
fls(min_objects * size - 1) - PAGE_SHIFT);
for (order = max(min_order, get_order(min_objects * size));
order <= max_order; order++) {
unsigned long slab_size = PAGE_SIZE << order;