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charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 21 Jul 2021, at 2:39, Huang Ying wrote: > From: Keith Busch > > Reclaim anonymous pages if a migration path is available now that demot= ion > provides a non-swap recourse for reclaiming anon pages. > > Note that this check is subtly different from the can_age_anon_pages() > checks. This mechanism checks whether a specific page in a specific > context can actually be reclaimed, given current swap space and cgroup > limits. > > can_age_anon_pages() is a much simpler and more preliminary check which= > just says whether there is a possibility of future reclaim. > > Link: https://lkml.kernel.org/r/20210715055145.195411-8-ying.huang@inte= l.com > Cc: Keith Busch > Signed-off-by: Dave Hansen > Signed-off-by: "Huang, Ying" > Reviewed-by: Yang Shi > Cc: Michal Hocko > Cc: Zi Yan > Cc: Wei Xu > Cc: David Rientjes > Cc: Dan Williams > Cc: David Hildenbrand > Cc: Greg Thelen > Cc: Oscar Salvador > Cc: Yang Shi > Signed-off-by: Andrew Morton > --- > mm/vmscan.c | 34 ++++++++++++++++++++++++++++++---- > 1 file changed, 30 insertions(+), 4 deletions(-) LGTM. Reviewed-by: Zi Yan =E2=80=94 Best Regards, Yan, Zi --=_MailMate_BF9DAD1B-67EE-4C3B-9EE0-C3C40EC9816C_= Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJDBAEBCgAtFiEEh7yFAW3gwjwQ4C9anbJR82th+ooFAmD4j9APHHppeUBudmlk aWEuY29tAAoJEJ2yUfNrYfqKCnkP/142QRxKYp0cxnJob46hPecYeinp/YiDrmoi JeiocVqCVW3FKctVffrfIcVh2FR1AfJfDHGfxhzx3N3FnCocDTINbHTFzxN9pxFY +Q9k2rMyKXSJh96y68o0cqyRklSpEYT62XTizVD0MhKJYSpqvndq/cexFoDTnlRw TzLtNHFg7hDqiI3v62Yj6xnoQAZLMZbRJ+rCpdzK51j4RZ+Kc6WqtF9zSI2yCtcY eRgUdAzVO3bdFMIgijgN4WFMGvYmD5zej8CNzlMGQS5jbHKKJLARV+emGiFYaQzQ OxQ6LtQkUfwruYql8t4h113iw3UmvXZh3ukPqZWOHkeFagaGaQi2CnwthFaaoWnt KnHIOGW8c33CTv/g7dHYFFwt0rDW5qo6wFnWNrdZlnGn6AgqLHpOao5H6/PJwlhH HxlUD/ekU1xLtZSUzFWky8gJHv0jHST/1zY1+KDN3IFpbRzmHp4jn4Wr4xcLAfyx wISUDnbFl4gpanyMZFbvcO7sVBWLxE8zuqB224Y8JD7nNuEdLVCnlb7MdhsfXh16 pf36TvBcU8Cla4QWgVHvpP+DDYDcEYahLI7e0UeQ/198SqBKzWEoiHZAr02Zy4AB HZ+zbk+E4d9KcPrK1y74yRkzSL2wb7pNueAJigfnxFGE1Lpk+JI4DgWtlUJog1IB hKF94YiK =ALFk -----END PGP SIGNATURE----- --=_MailMate_BF9DAD1B-67EE-4C3B-9EE0-C3C40EC9816C_=--