From: Matthew Wilcox <willy@infradead.org>
To: David Carlier <devnexen@gmail.com>
Cc: Barry Song <21cnbao@gmail.com>, Kairui Song <kasong@tencent.com>,
David Hildenbrand <david@kernel.org>,
Chris Li <chrisl@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Kemeng Shi <shikemeng@huaweicloud.com>,
Nhat Pham <nphamcs@gmail.com>, Baoquan He <bhe@redhat.com>,
Youngjun Park <youngjun.park@lge.com>,
NeilBrown <neil@brown.name>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v3] mm/page_io: use sio->len for PSWPIN accounting in sio_read_complete()
Date: Thu, 2 Apr 2026 05:11:23 +0100 [thread overview]
Message-ID: <ac3sa2GB79LGADpY@casper.infradead.org> (raw)
In-Reply-To: <20260401074753.238053-1-devnexen@gmail.com>
On Wed, Apr 01, 2026 at 08:47:53AM +0100, David Carlier wrote:
> sio_read_complete() uses sio->pages to account global PSWPIN vm events,
> but sio->pages tracks the number of bvec entries (folios), not base
> pages.
Since you're messing with this file anyway, do you want to submit a
third patch to rename swap_iocb->pages to ->bvecs?
next prev parent reply other threads:[~2026-04-02 4:11 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-30 7:12 [PATCH v2] mm/page_io: fix PSWPIN undercount for large folios in sio_read_complete() David Carlier
2026-03-30 22:20 ` Andrew Morton
2026-03-31 22:33 ` Barry Song
2026-04-01 7:10 ` David CARLIER
2026-04-01 7:30 ` David Hildenbrand (Arm)
2026-04-01 20:22 ` Barry Song
2026-04-01 7:47 ` [PATCH v3] mm/page_io: use sio->len for PSWPIN accounting " David Carlier
2026-04-01 8:32 ` David Hildenbrand (Arm)
2026-04-01 22:58 ` Andrew Morton
2026-04-01 23:43 ` Barry Song
2026-04-02 3:07 ` Chris Li
2026-04-02 4:11 ` Matthew Wilcox [this message]
2026-04-02 5:51 ` Barry Song
2026-04-02 6:01 ` David CARLIER
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