On 21 Jul 2021, at 17:58, Dave Hansen wrote: > On 7/21/21 2:38 PM, Zi Yan wrote: >> On 21 Jul 2021, at 2:39, Huang Ying wrote: >>> From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> >>> >>> Global reclaim aims to reduce the amount of memory used on a >>> given node or set of nodes. Migrating pages to another node >>> serves this purpose. >>> >>> memcg reclaim is different. Its goal is to reduce the total >>> memory consumption of the entire memcg, across all nodes. >>> Migration does not assist memcg reclaim because it just moves >>> page contents between nodes rather than actually reducing memory >>> consumption. > ... >> Should this be folded into Patch 4 when can_demote() is >> introduced? > > I guess it could be. But, it's logically separate since it has its > own justification which is rather discrete. > > I think it's best to keep it separate. Sure. I am OK with it. — Best Regards, Yan, Zi
Attachment:
signature.asc
Description: OpenPGP digital signature
