linux-kernel - Re: [PATCH 6/6] memcg: do not tweak node in alloc_mem_cgroup_per_node

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Message-ID: <b2ec940495fe4480bab793707bd6558f@suse.de>
Date:   Fri, 28 Jan 2022 12:01:37 +0100
From:   Oscar Salvador <osalvador@...e.de>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>,
        David Hildenbrand <david@...hat.com>,
        Alexey Makhalov <amakhalov@...are.com>,
        Dennis Zhou <dennis@...nel.org>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux.com>,
        Nico Pache <npache@...hat.com>,
        Wei Yang <richard.weiyang@...il.com>,
        Rafael Aquini <raquini@...hat.com>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH 6/6] memcg: do not tweak node in
 alloc_mem_cgroup_per_node_info

On 2022-01-27 09:53, Michal Hocko wrote:
> From: Wei Yang <richard.weiyang@...il.com>
> 
> alloc_mem_cgroup_per_node_info is allocated for each possible node and
> this used to be a problem because not !node_online nodes didn't have
> appropriate data structure allocated. This has changed by "mm: handle
> uninitialized numa nodes gracefully" so we can drop the special casing
> here.
> 
> Signed-off-by: Wei Yang <richard.weiyang@...il.com>
> Signed-off-by: Michal Hocko <mhocko@...e.com>

Reviewed-by: Oscar Salvador <osalvador@...e.de>

-- 
Oscar Salvador
SUSE Labs