Re: [PATCH v3] mm: Allocate shrinker_map on appropriate NUMA node

From: Roman Gushchin
Date: Fri Jan 31 2020 - 17:37:18 EST


On Fri, Jan 31, 2020 at 07:08:49PM +0300, Kirill Tkhai wrote:
> mm: Allocate shrinker_map on appropriate NUMA node
>
> From: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
>
> Despite shrinker_map may be touched from any cpu
> (e.g., a bit there may be set by a task running
> everywhere); kswapd is always bound to specific
> node. So, we will allocate shrinker_map from
> related NUMA node to respect its NUMA locality.
> Also, this follows generic way we use for allocation
> memcg's per-node data.
>
> Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>

Reviewed-by: Roman Gushchin <guro@xxxxxx>

Thanks!