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Commit 033fd1bd authored by Wei Yang's avatar Wei Yang Committed by Linus Torvalds
Browse files

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



get_order() is more easy to understand.

This patch just replaces it.

Signed-off-by: default avatarWei 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: default avatarPekka Enberg <penberg@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 422ff4d7

mm/slub.c

+1 −2
Original line number Diff line number Diff line
@@ -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;