linux-kernel - Re: [PATCH] mm/memcg: remove unneeded nr

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Message-ID: <20220401010650.reelvkf2pbxkf4gl@master>
Date:   Fri, 1 Apr 2022 01:06:50 +0000
From:   Wei Yang <richard.weiyang@...il.com>
To:     Miaohe Lin <linmiaohe@...wei.com>
Cc:     hannes@...xchg.org, mhocko@...nel.org, roman.gushchin@...ux.dev,
        shakeelb@...gle.com, akpm@...ux-foundation.org,
        cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/memcg: remove unneeded nr_scanned

On Mon, Mar 28, 2022 at 07:41:44PM +0800, Miaohe Lin wrote:
>The local variable nr_scanned is unneeded as mem_cgroup_soft_reclaim always
>does *total_scanned += nr_scanned. So we can pass total_scanned directly to
>the mem_cgroup_soft_reclaim to simplify the code and save some cpu cycles
>of adding nr_scanned to total_scanned.
>
>Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
>---

Reviewed-by: Wei Yang <richard.weiyang@...il.com>

Thanks

-- 
Wei Yang
Help you, Help me