From: Miaohe Lin Subject: mm/vmscan: fix comment for current_may_throttle Since commit 6d6435811c19 ("remove bdi_congested() and wb_congested() and related functions"), there is no congested backing device check anymore. Correct the comment accordingly. Link: https://lkml.kernel.org/r/20220414120202.30082-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Signed-off-by: Andrew Morton --- mm/vmscan.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/vmscan.c~mm-vmscan-fix-comment-for-current_may_throttle +++ a/mm/vmscan.c @@ -2316,8 +2316,7 @@ static unsigned int move_pages_to_lru(st /* * If a kernel thread (such as nfsd for loop-back mounts) services * a backing device by writing to the page cache it sets PF_LOCAL_THROTTLE. - * In that case we should only throttle if the backing device it is - * writing to is congested. In other cases it is safe to throttle. + * In that case we should not throttle it otherwise it is safe to do so. */ static int current_may_throttle(void) { _