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List:       linux-kernel
Subject:    Re: [PATCH v3] mm: Allocate shrinker_map on appropriate NUMA node
From:       Roman Gushchin <guro () fb ! com>
Date:       2020-01-31 22:37:06
Message-ID: 20200131223700.GB20909 () xps
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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@virtuozzo.com>
> 
> 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@virtuozzo.com>

Reviewed-by: Roman Gushchin <guro@fb.com>

Thanks!
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