linux-kernel - Re: [PATCH v20 20/20] mm/lru: revise the comments of lru

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Message-ID: <20201102204607.GD740958@cmpxchg.org>
Date:   Mon, 2 Nov 2020 15:46:07 -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, Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Jann Horn <jannh@...gle.com>
Subject: Re: [PATCH v20 20/20] mm/lru: revise the comments of lru_lock

On Thu, Oct 29, 2020 at 06:45:05PM +0800, Alex Shi wrote:
> From: Hugh Dickins <hughd@...gle.com>
> 
> Since we changed the pgdat->lru_lock to lruvec->lru_lock, it's time to
> fix the incorrect comments in code. Also fixed some zone->lru_lock comment
> error from ancient time. etc.
> 
> I struggled to understand the comment above move_pages_to_lru() (surely
> it never calls page_referenced()), and eventually realized that most of
> it had got separated from shrink_active_list(): move that comment back.
> 
> Signed-off-by: Hugh Dickins <hughd@...gle.com>
> Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Tejun Heo <tj@...nel.org>
> Cc: Andrey Ryabinin <aryabinin@...tuozzo.com>
> Cc: Jann Horn <jannh@...gle.com>
> Cc: Mel Gorman <mgorman@...hsingularity.net>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Matthew Wilcox <willy@...radead.org>
> Cc: Hugh Dickins <hughd@...gle.com>
> Cc: cgroups@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-mm@...ck.org

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