On 2022/4/11 22:16, Christoph Hellwig wrote: > On Sat, Apr 09, 2022 at 05:34:52PM +0800, Miaohe Lin wrote: >> The MADV_FREE pages check in folio_check_dirty_writeback is a bit hard to >> follow. Add a comment to make the code clear. >> >> Suggested-by: Huang, Ying <ying.huang@xxxxxxxxx> >> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> >> --- >> mm/vmscan.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/mm/vmscan.c b/mm/vmscan.c >> index c77d5052f230..4a76be47bed1 100644 >> --- a/mm/vmscan.c >> +++ b/mm/vmscan.c >> @@ -1436,6 +1436,9 @@ static void folio_check_dirty_writeback(struct folio *folio, >> /* >> * Anonymous pages are not handled by flushers and must be written >> * from reclaim context. Do not stall reclaim based on them > > While you touch this please add a period at the end of the above > sentence. Will do. > > Otherwise looks good: > > Reviewed-by: Christoph Hellwig <hch@xxxxxx> Many thanks for review! > . >