linux-kernel - Re: [PATCH v2] mm/swap: fix race when skipping swapcache

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Message-Id: <20240206184429.247502-1-sj@kernel.org>
Date: Tue,  6 Feb 2024 10:44:29 -0800
From: SeongJae Park <sj@...nel.org>
To: Kairui Song <ryncsn@...il.com>
Cc: linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Huang, Ying" <ying.huang@...el.com>,
	Chris Li <chrisl@...nel.org>,
	Minchan Kim <minchan@...nel.org>,
	Yu Zhao <yuzhao@...gle.com>,
	Barry Song <v-songbaohua@...o.com>,
	SeongJae Park <sj@...nel.org>,
	Hugh Dickins <hughd@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Matthew Wilcox <willy@...radead.org>,
	Michal Hocko <mhocko@...e.com>,
	Yosry Ahmed <yosryahmed@...gle.com>,
	David Hildenbrand <david@...hat.com>,
	stable@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Kairui Song <kasong@...cent.com>
Subject: Re: [PATCH v2] mm/swap: fix race when skipping swapcache

Hi Kairui,

On Wed,  7 Feb 2024 02:25:59 +0800 Kairui Song <ryncsn@...il.com> wrote:

> From: Kairui Song <kasong@...cent.com>
> 
[...]
> ---
> Update from V1:
> - Add some words on ZRAM case, it will discard swap content on swap_free so the race window is a bit different but cure is the same. [Barry Song]
> - Update comments make it cleaner [Huang, Ying]
> - Add a function place holder to fix CONFIG_SWAP=n built [SeongJae Park]

I confirm the build issue[1] that I reported yesterday is gone with this
version.  Thank you for fixing it!

[1] https://lore.kernel.org/linux-mm/20240206022409.202536-1-sj@kernel.org


Thanks,
SJ

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