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>
diff --git a/mm/slub.c b/mm/slub.c
index a94b9f4..e309ed1 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2912,8 +2912,7 @@
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;