linux-kernel - Re: [PATCH v20 04/20] mm/thp: use head for head page in lru_add_page

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Message-ID: <20201030135218.GA666074@cmpxchg.org>
Date:   Fri, 30 Oct 2020 09:52:18 -0400
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 04/20] mm/thp: use head for head page in
 lru_add_page_tail

On Fri, Oct 30, 2020 at 10:46:54AM +0800, Alex Shi wrote:
> 在 2020/10/29 下午9:50, Johannes Weiner 写道:
> > It may be better to pick either
> > 	head and tail
> 
> Hi Johannes,
> 
> Thanks for comments!
> 
> Right, Consider functions in this file are using head/tail more as parameters
> I will change to use head/tail too. And then, the 04th, 05th, and 18th patch 
> will be changed accordingly.

That's great, thank you!

> From a9ee63a213f40eb4d5a69b52fbb348ff9cd7cf6c Mon Sep 17 00:00:00 2001
> From: Alex Shi <alex.shi@...ux.alibaba.com>
> Date: Tue, 26 May 2020 16:49:22 +0800
> Subject: [PATCH v21 04/20] mm/thp: use head for head page in lru_add_page_tail
> 
> Since the first parameter is only used by head page, it's better to make
> it explicit.
> 
> Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
> Reviewed-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Acked-by: Hugh Dickins <hughd@...gle.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Matthew Wilcox <willy@...radead.org>
> Cc: Hugh Dickins <hughd@...gle.com>
> Cc: linux-mm@...ck.org
> Cc: linux-kernel@...r.kernel.org

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