Messages in this thread | | | From | Zi Yan <> | Subject | Re: [PATCH -V11 7/9] mm/vmscan: Consider anonymous pages without swap | Date | Wed, 21 Jul 2021 17:21:20 -0400 |
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On 21 Jul 2021, at 2:39, Huang Ying wrote:
> From: Keith Busch <kbusch@kernel.org> > > Reclaim anonymous pages if a migration path is available now that demotion > 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@intel.com > Cc: Keith Busch <kbusch@kernel.org> > Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> > Signed-off-by: "Huang, Ying" <ying.huang@intel.com> > Reviewed-by: Yang Shi <shy828301@gmail.com> > Cc: Michal Hocko <mhocko@suse.com> > Cc: Zi Yan <ziy@nvidia.com> > Cc: Wei Xu <weixugc@google.com> > Cc: David Rientjes <rientjes@google.com> > Cc: Dan Williams <dan.j.williams@intel.com> > Cc: David Hildenbrand <david@redhat.com> > Cc: Greg Thelen <gthelen@google.com> > Cc: Oscar Salvador <osalvador@suse.de> > Cc: Yang Shi <yang.shi@linux.alibaba.com> > Signed-off-by: Andrew Morton <akpm@linux-foundation.org> > --- > mm/vmscan.c | 34 ++++++++++++++++++++++++++++++---- > 1 file changed, 30 insertions(+), 4 deletions(-)
LGTM. Reviewed-by: Zi Yan <ziy@nvidia.com>
— Best Regards, Yan, Zi [unhandled content-type:application/pgp-signature] | |