linux-kernel - Re: [PATCH v20 10/20] mm/swap.c: fold vm event PGROTATED into pagevec_move_tail

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Date:   Mon, 2 Nov 2020 09:48:39 -0500
From:   Johannes Weiner <hannes@...xchg.org>
To:     Alex Shi <alex.shi@...ux.alibaba.com>
Cc:     akpm@...ux-foundation.org, mgorman@...hsingularity.net,
        tj@...nel.org, hughd@...gle.com, khlebnikov@...dex-team.ru,
        daniel.m.jordan@...cle.com, willy@...radead.org, lkp@...el.com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        cgroups@...r.kernel.org, shakeelb@...gle.com,
        iamjoonsoo.kim@....com, richard.weiyang@...il.com,
        kirill@...temov.name, alexander.duyck@...il.com,
        rong.a.chen@...el.com, mhocko@...e.com, vdavydov.dev@...il.com,
        shy828301@...il.com
Subject: Re: [PATCH v20 10/20] mm/swap.c: fold vm event PGROTATED into
 pagevec_move_tail_fn

On Thu, Oct 29, 2020 at 06:44:55PM +0800, Alex Shi wrote:
> Fold the PGROTATED event collection into pagevec_move_tail_fn call back
> func like other funcs does in pagevec_lru_move_fn. Thus we could save
> func call pagevec_move_tail().
> Now all usage of pagevec_lru_move_fn are same and no needs of its 3rd
> parameter.
> 
> It's just simply the calling. No functional change.
> 
> [lkp@...el.com: found a build issue in the original patch, thanks]
> Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
> Acked-by: Hugh Dickins <hughd@...gle.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: linux-mm@...ck.org
> Cc: linux-kernel@...r.kernel.org

Nice.

Acked-by: Johannes Weiner <hannes@...xchg.org>