From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
Lorenzo Stoakes <lstoakes@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@infradead.org>,
David Hildenbrand <david@redhat.com>
Subject: Re: [PATCH] mm: Do not reclaim private data from pinned page
Date: Fri, 28 Apr 2023 21:50:14 -0700 [thread overview]
Message-ID: <ZEyiBphefPmgCE42@infradead.org> (raw)
In-Reply-To: <20230428124140.30166-1-jack@suse.cz>
On Fri, Apr 28, 2023 at 02:41:40PM +0200, Jan Kara wrote:
> If the page is pinned, there's no point in trying to reclaim it.
> Furthermore if the page is from the page cache we don't want to reclaim
> fs-private data from the page because the pinning process may be writing
> to the page at any time and reclaiming fs private info on a dirty page
> can upset the filesystem (see link below).
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2023-04-29 4:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-28 12:41 [PATCH] mm: Do not reclaim private data from pinned page Jan Kara
2023-04-28 12:58 ` Matthew Wilcox
2023-04-28 13:05 ` Lorenzo Stoakes
2023-04-29 4:50 ` Christoph Hellwig [this message]
2023-05-01 18:12 ` John Hubbard
2023-05-02 14:45 ` David Hildenbrand
2023-05-02 15:26 ` Peter Xu
2023-05-02 15:33 ` David Hildenbrand
2023-05-02 15:48 ` Peter Xu
2023-05-02 15:53 ` David Hildenbrand
2023-05-02 20:20 ` Andrew Morton
2023-05-03 9:51 ` Jan Kara
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