From: David Howells <dhowells@redhat.com>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: dhowells@redhat.com, linux-fsdevel@vger.kernel.org,
intel-gfx@lists.freedesktop.org, linux-mm@kvack.org,
dri-devel@lists.freedesktop.org, stable@vger.kernel.org,
v9fs@lists.linux.dev
Subject: Re: [PATCH v2 1/9] 9p: Add a migrate_folio method
Date: Wed, 02 Apr 2025 18:10:39 +0100 [thread overview]
Message-ID: <803465.1743613839@warthog.procyon.org.uk> (raw)
In-Reply-To: <20250402150005.2309458-2-willy@infradead.org>
Matthew Wilcox (Oracle) <willy@infradead.org> wrote:
> The migration code used to be able to migrate dirty 9p folios by writing
> them back using writepage. When the writepage method was removed,
> we neglected to add a migrate_folio method, which means that dirty 9p
> folios have been unmovable ever since. This reduced our success at
> defragmenting memory on machines which use 9p heavily.
>
> Fixes: 80105ed2fd27 (9p: Use netfslib read/write_iter)
> Cc: stable@vger.kernel.org
> Cc: David Howells <dhowells@redhat.com>
> Cc: v9fs@lists.linux.dev
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Howells <dhowells@redhat.com>
next prev parent reply other threads:[~2025-04-02 17:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-02 14:59 [PATCH v2 0/9] Remove aops->writepage Matthew Wilcox (Oracle)
2025-04-02 14:59 ` [PATCH v2 1/9] 9p: Add a migrate_folio method Matthew Wilcox (Oracle)
2025-04-02 17:10 ` David Howells [this message]
2025-04-03 3:46 ` Dominique Martinet
2025-04-03 3:53 ` Matthew Wilcox
2025-04-02 14:59 ` [PATCH v2 2/9] vboxsf: Convert to writepages Matthew Wilcox (Oracle)
2025-04-02 14:59 ` [PATCH v2 3/9] migrate: Remove call to ->writepage Matthew Wilcox (Oracle)
2025-04-05 16:56 ` Zi Yan
2025-04-02 14:59 ` [PATCH v2 4/9] writeback: Remove writeback_use_writepage() Matthew Wilcox (Oracle)
2025-04-02 14:59 ` [PATCH v2 5/9] shmem: Add shmem_writeout() Matthew Wilcox (Oracle)
2025-04-02 15:00 ` [PATCH v2 6/9] i915: Use writeback_iter() Matthew Wilcox (Oracle)
2025-04-04 8:26 ` Christoph Hellwig
2025-04-04 13:40 ` Matthew Wilcox
2025-04-02 15:00 ` [PATCH v2 7/9] ttm: Call shmem_writeout() from ttm_backup_backup_page() Matthew Wilcox (Oracle)
2025-04-02 15:00 ` [PATCH v2 8/9] mm: Remove swap_writepage() and shmem_writepage() Matthew Wilcox (Oracle)
2025-04-02 15:00 ` [PATCH v2 9/9] fs: Remove aops->writepage Matthew Wilcox (Oracle)
2025-04-02 15:48 ` ✗ Fi.CI.BUILD: failure for Remove aops->writepage (rev2) Patchwork
2025-04-04 8:31 ` [PATCH v2 0/9] Remove aops->writepage Christoph Hellwig
2025-04-04 13:42 ` Matthew Wilcox
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=803465.1743613839@warthog.procyon.org.uk \
--to=dhowells@redhat.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=intel-gfx@lists.freedesktop.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=stable@vger.kernel.org \
--cc=v9fs@lists.linux.dev \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.