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From: David Laight <david.laight.linux@gmail.com>
To: "Theodore Tso" <tytso@mit.edu>
Cc: Mike Rapoport <rppt@kernel.org>, Jan Kara <jack@suse.com>,
	Mark Fasheh <mark@fasheh.com>, Joel Becker <jlbec@evilplan.org>,
	Joseph Qi <joseph.qi@linux.alibaba.com>,
	Ryusuke Konishi <konishi.ryusuke@gmail.com>,
	Viacheslav Dubeyko <slava@dubeyko.com>,
	Trond Myklebust <trondmy@kernel.org>,
	Anna Schumaker <anna@kernel.org>,
	Chuck Lever <chuck.lever@oracle.com>,
	Jeff Layton <jlayton@kernel.org>, NeilBrown <neil@brown.name>,
	Olga Kornievskaia <okorniev@redhat.com>,
	Dai Ngo <Dai.Ngo@oracle.com>, Tom Talpey <tom@talpey.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
	Dave Kleikamp <shaggy@kernel.org>,
	Miklos Szeredi <miklos@szeredi.hu>,
	Andreas Hindborg <a.hindborg@kernel.org>,
	Breno Leitao <leitao@debian.org>, Kees Cook <kees@kernel.org>,
	"Tigran A. Aivazian" <aivazian.tigran@gmail.com>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	ocfs2-devel@lists.linux.dev, linux-nilfs@vger.kernel.org,
	linux-nfs@vger.kernel.org, jfs-discussion@lists.sourceforge.net,
	linux-ext4@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 10/17] jbd2: replace __get_free_pages() with kmalloc()
Date: Fri, 5 Jun 2026 09:33:32 +0100	[thread overview]
Message-ID: <20260605093332.7b067876@pumpkin> (raw)
In-Reply-To: <ximvn6jwgtam665a4droqkp73o55kwvd5uukyidwjesmysobth@oe7rigpsjfkz>

On Thu, 4 Jun 2026 10:05:52 -0400
"Theodore Tso" <tytso@mit.edu> wrote:

...
> I suppose we could do it with kmalloc() with some flags which to
> prevent forced reclaim / compaction, and if that fails, then fall back
> to vmalloc().  Is there a better way?

There is already kvalloc().
I'm not sure how hard that tries to get kmalloc() to succeed.

-- David

> 
> Thanks,
> 
> 					- Ted
> 


  parent reply	other threads:[~2026-06-05  8:33 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-23 17:54 [PATCH 00/17] fs: replace __get_free_pages() call with kmalloc() Mike Rapoport (Microsoft)
2026-05-23 17:54 ` [PATCH 01/17] quota: allocate dquot_hash " Mike Rapoport (Microsoft)
2026-05-25 16:10   ` Jan Kara
2026-05-23 17:54 ` [PATCH 02/17] proc: replace __get_free_page() " Mike Rapoport (Microsoft)
2026-05-25 16:11   ` Jan Kara
2026-05-23 17:54 ` [PATCH 03/17] ocfs2/dlm: " Mike Rapoport (Microsoft)
2026-05-25  2:50   ` Joseph Qi
2026-05-25 16:13   ` Jan Kara
2026-05-23 17:54 ` [PATCH 04/17] nilfs2: replace get_zeroed_page() with kzalloc() Mike Rapoport (Microsoft)
2026-05-25 17:07   ` Viacheslav Dubeyko
2026-05-27 16:02     ` Ryusuke Konishi
2026-05-23 17:54 ` [PATCH 05/17] NFS: replace __get_free_page() with kmalloc() in nfs_show_devname() Mike Rapoport (Microsoft)
2026-05-23 17:54 ` [PATCH 06/17] NFS: remove unused page and page2 in nfs4_replace_transport() Mike Rapoport (Microsoft)
2026-05-23 17:54 ` [PATCH 07/17] NFSD: replace __get_free_page() with kmalloc() in nfsd_buffered_readdir() Mike Rapoport (Microsoft)
2026-05-23 18:45   ` Jeff Layton
2026-05-23 17:54 ` [PATCH 08/17] libfs: simple_transaction_get(): replace get_zeroed_page() with kzalloc() Mike Rapoport (Microsoft)
2026-05-23 17:54 ` [PATCH 09/17] jfs: replace __get_free_page() with kmalloc() Mike Rapoport (Microsoft)
2026-05-23 17:54 ` [PATCH 10/17] jbd2: replace __get_free_pages() " Mike Rapoport (Microsoft)
2026-05-25 16:17   ` Jan Kara
2026-05-25 17:21     ` David Laight
     [not found]       ` <ahSNFmwAA17pMy6o@casper.infradead.org>
2026-05-26  9:35         ` David Laight
2026-06-03 13:50   ` Theodore Tso
2026-06-04  6:14     ` Mike Rapoport
2026-06-04 14:05       ` Theodore Tso
2026-06-04 14:46         ` Matthew Wilcox
2026-06-05  8:33         ` David Laight [this message]
2026-06-05  9:50           ` Uladzislau Rezki
2026-05-23 17:54 ` [PATCH 11/17] isofs: replace __get_free_page() " Mike Rapoport (Microsoft)
2026-05-25 16:17   ` Jan Kara
2026-05-23 17:54 ` [PATCH 12/17] fuse: " Mike Rapoport (Microsoft)
2026-05-26 15:00   ` Miklos Szeredi
2026-05-23 17:54 ` [PATCH 13/17] fs/select: " Mike Rapoport (Microsoft)
2026-05-25 16:19   ` Jan Kara
2026-05-23 17:54 ` [PATCH 14/17] fs/namespace: use __getname() to allocate mntpath buffer Mike Rapoport (Microsoft)
2026-05-25 16:22   ` Jan Kara
2026-05-26  9:06     ` Mike Rapoport
2026-05-28 11:54       ` Christian Brauner
2026-05-23 17:54 ` [PATCH 15/17] configfs: replace __get_free_pages() with kzalloc() Mike Rapoport (Microsoft)
2026-05-25 16:22   ` Jan Kara
2026-05-23 17:54 ` [PATCH 16/17] binfmt_misc: replace __get_free_page() with kmalloc() Mike Rapoport (Microsoft)
2026-05-23 17:54 ` [PATCH 17/17] bfs: replace get_zeroed_page() with kzalloc() Mike Rapoport (Microsoft)
2026-05-27 12:05 ` [PATCH 00/17] fs: replace __get_free_pages() call with kmalloc() Christian Brauner
2026-06-05 20:00 ` [PATCH 00/17] " Zi Yan

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