tree ec898b9b4cca78e69b8cdf3fd1232c1d7f066e1d
parent 6b70f7dff8f7ce2f4692afc7d4ef9f73f8c82434
author Joonsoo Kim <iamjoonsoo.kim@lge.com> 1378934500 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1378940254 -0700

mm, vmalloc: use well-defined find_last_bit() func

Our intention in here is to find last_bit within the region to flush.
There is well-defined function, find_last_bit() for this purpose and its
performance may be slightly better than current implementation.  So change
it.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>