kfifo: fix inaccurate comment

The comment in __kfifo_alloc says we round down, but we actually round
up, so correct it.

Signed-off-by: Martin Kelly <mkelly@xevo.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Martin Kelly 2018-03-26 11:18:23 -07:00 committed by Jiri Kosina
parent 6c59f64b7e
commit 75a24b822d

View File

@ -39,7 +39,7 @@ int __kfifo_alloc(struct __kfifo *fifo, unsigned int size,
size_t esize, gfp_t gfp_mask)
{
/*
* round down to the next power of 2, since our 'let the indices
* round up to the next power of 2, since our 'let the indices
* wrap' technique works only in this case.
*/
size = roundup_pow_of_two(size);