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| author | Wei Yang <weiyang@linux.vnet.ibm.com> | 2015-11-06 05:45:48 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-06 06:34:48 +0300 |
| commit | 033fd1bd3c50fdda267d27d02f9bc656f0b9ddb8 (patch) | |
| tree | 74b742a65bc35c7a5aba4189c988f6ca621f1d4e /mm/slub.c | |
| parent | 422ff4d70c1b3b2deed431dc095432dc691f4269 (diff) | |
| download | linux-033fd1bd3c50fdda267d27d02f9bc656f0b9ddb8.tar.xz | |
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>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c index a94b9f46261b..e309ed140fd1 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -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; |