From: Matthew Wilcox <willy@infradead.org>
To: Ryan Roberts <ryan.roberts@arm.com>
Cc: "Pankaj Raghav (Samsung)" <kernel@pankajraghav.com>,
david@fromorbit.com, chandan.babu@oracle.com, djwong@kernel.org,
brauner@kernel.org, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, yang@os.amperecomputing.com,
linux-mm@kvack.org, john.g.garry@oracle.com,
linux-fsdevel@vger.kernel.org, hare@suse.de,
p.raghav@samsung.com, mcgrof@kernel.org, gost.dev@samsung.com,
cl@os.amperecomputing.com, linux-xfs@vger.kernel.org, hch@lst.de,
Zi Yan <zi.yan@sent.com>
Subject: Re: [PATCH v8 03/10] readahead: allocate folios with mapping_min_order in readahead
Date: Thu, 4 Jul 2024 15:29:19 +0100 [thread overview]
Message-ID: <Zoaxv23qdu4T84Sm@casper.infradead.org> (raw)
In-Reply-To: <98790338-0f86-4658-8dec-95e94b6d5c18@arm.com>
On Thu, Jul 04, 2024 at 03:24:10PM +0100, Ryan Roberts wrote:
> > @@ -240,12 +257,13 @@ void page_cache_ra_unbounded(struct readahead_control *ractl,
> > * not worth getting one just for that.
> > */
>
> For the case that the folio is already in the xarray, perhaps its worth
> asserting that the folio is at least min_nrpages?
We'd have to get a reference on the folio to be able to do that safely.
Not worth it.
next prev parent reply other threads:[~2024-07-04 14:29 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-25 11:44 [PATCH v8 00/10] enable bs > ps in XFS Pankaj Raghav (Samsung)
2024-06-25 11:44 ` [PATCH v8 01/10] fs: Allow fine-grained control of folio sizes Pankaj Raghav (Samsung)
2024-07-04 12:23 ` Ryan Roberts
2024-07-04 15:20 ` Matthew Wilcox
2024-07-04 15:52 ` Ryan Roberts
2024-07-04 21:28 ` Pankaj Raghav (Samsung)
2024-07-04 22:06 ` Dave Chinner
2024-07-04 23:56 ` Matthew Wilcox
2024-07-05 4:32 ` Dave Chinner
2024-07-05 9:03 ` Ryan Roberts
2024-07-05 12:45 ` Pankaj Raghav (Samsung)
2024-07-05 13:24 ` Pankaj Raghav (Samsung)
2024-07-05 13:31 ` Ryan Roberts
2024-07-05 14:14 ` Pankaj Raghav (Samsung)
2024-07-08 23:01 ` Dave Chinner
2024-07-09 8:11 ` Ryan Roberts
2024-07-09 13:08 ` Pankaj Raghav (Samsung)
2024-07-05 15:14 ` Matthew Wilcox
2024-07-04 21:34 ` Pankaj Raghav (Samsung)
2024-07-09 16:29 ` Pankaj Raghav (Samsung)
2024-07-09 16:38 ` Matthew Wilcox
2024-07-09 17:33 ` Pankaj Raghav (Samsung)
2024-07-09 16:50 ` Darrick J. Wong
2024-07-09 21:08 ` Pankaj Raghav (Samsung)
2024-07-09 21:59 ` Darrick J. Wong
2024-06-25 11:44 ` [PATCH v8 02/10] filemap: allocate mapping_min_order folios in the page cache Pankaj Raghav (Samsung)
2024-06-25 15:52 ` Matthew Wilcox
2024-06-25 18:06 ` Pankaj Raghav (Samsung)
2024-06-25 11:44 ` [PATCH v8 03/10] readahead: allocate folios with mapping_min_order in readahead Pankaj Raghav (Samsung)
2024-07-02 19:38 ` Darrick J. Wong
2024-07-03 14:10 ` Pankaj Raghav (Samsung)
2024-07-04 14:24 ` Ryan Roberts
2024-07-04 14:29 ` Matthew Wilcox [this message]
2024-06-25 11:44 ` [PATCH v8 04/10] mm: split a folio in minimum folio order chunks Pankaj Raghav (Samsung)
2024-06-25 14:45 ` Zi Yan
2024-06-25 17:20 ` Pankaj Raghav (Samsung)
2024-06-25 11:44 ` [PATCH v8 05/10] filemap: cap PTE range to be created to allowed zero fill in folio_map_range() Pankaj Raghav (Samsung)
2024-07-01 23:39 ` Darrick J. Wong
2024-06-25 11:44 ` [PATCH v8 06/10] iomap: fix iomap_dio_zero() for fs bs > system page size Pankaj Raghav (Samsung)
2024-07-01 2:37 ` Dave Chinner
2024-07-01 11:22 ` Pankaj Raghav (Samsung)
2024-07-01 23:40 ` Darrick J. Wong
2024-07-02 7:42 ` Christoph Hellwig
2024-07-02 10:15 ` Pankaj Raghav (Samsung)
2024-07-02 12:02 ` Christoph Hellwig
2024-07-02 14:01 ` Pankaj Raghav (Samsung)
2024-07-02 15:42 ` Christoph Hellwig
2024-07-02 16:13 ` Pankaj Raghav (Samsung)
2024-07-02 16:51 ` Matthew Wilcox
2024-07-02 17:10 ` Pankaj Raghav (Samsung)
2024-07-03 5:16 ` Christoph Hellwig
2024-07-02 16:50 ` Matthew Wilcox
2024-07-02 13:49 ` Luis Chamberlain
2024-06-25 11:44 ` [PATCH v8 07/10] xfs: use kvmalloc for xattr buffers Pankaj Raghav (Samsung)
2024-06-25 18:07 ` Pankaj Raghav (Samsung)
2024-06-25 11:44 ` [PATCH v8 08/10] xfs: expose block size in stat Pankaj Raghav (Samsung)
2024-07-01 2:33 ` Dave Chinner
2024-06-25 11:44 ` [PATCH v8 09/10] xfs: make the calculation generic in xfs_sb_validate_fsb_count() Pankaj Raghav (Samsung)
2024-07-01 2:34 ` Dave Chinner
2024-06-25 11:44 ` [PATCH v8 10/10] xfs: enable block size larger than page size support Pankaj Raghav (Samsung)
2024-07-01 2:34 ` Dave Chinner
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