linux-kernel - Re: [PATCH v3 7/8] mm: memcontrol: consolidate lruvec stat flushing

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Message-ID: <20210209202128.GD524633@carbon.DHCP.thefacebook.com>
Date:   Tue, 9 Feb 2021 12:21:28 -0800
From:   Roman Gushchin <guro@...com>
To:     Johannes Weiner <hannes@...xchg.org>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        Tejun Heo <tj@...nel.org>, Michal Hocko <mhocko@...e.com>,
        Shakeel Butt <shakeelb@...gle.com>, <linux-mm@...ck.org>,
        <cgroups@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel-team@...com>
Subject: Re: [PATCH v3 7/8] mm: memcontrol: consolidate lruvec stat flushing

On Tue, Feb 09, 2021 at 11:33:03AM -0500, Johannes Weiner wrote:
> There are two functions to flush the per-cpu data of an lruvec into
> the rest of the cgroup tree: when the cgroup is being freed, and when
> a CPU disappears during hotplug. The difference is whether all CPUs or
> just one is being collected, but the rest of the flushing code is the
> same. Merge them into one function and share the common code.
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>
> Reviewed-by: Shakeel Butt <shakeelb@...gle.com>
> Acked-by: Michal Hocko <mhocko@...e.com>

Acked-by: Roman Gushchin <guro@...com>

Thanks!