From: "Pankaj Raghav (Samsung)" <kernel@pankajraghav.com>
To: willy@infradead.org
Cc: akpm@linux-foundation.org, hare@suse.com, hughd@google.com,
kirill.shutemov@linux.intel.com, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, mcgrof@kernel.org, slava@dubeyko.com,
p.raghav@samsung.com, gost.dev@samsung.com
Subject: Re: [PATCH] mm: Support order-1 folios in the page cache
Date: Mon, 5 Feb 2024 13:00:39 +0100 [thread overview]
Message-ID: <20240205120039.4053661-1-kernel@pankajraghav.com> (raw)
In-Reply-To: <20231206204442.771430-1-willy@infradead.org>
> Folios of order 1 have no space to store the deferred list. This is
> not a problem for the page cache as file-backed folios are never
> placed on the deferred list. All we need to do is prevent the core
> MM from touching the deferred list for order 1 folios and remove the
> code which prevented us from allocating order 1 folios.
I rebased this patch on top of the lbs tree[1] and ran 3 xfstests loop
with 8k XFS blocksize on a 4k PAGE_SIZE machine. The tests ran fine and
nothing stood out apart from some known failures.
Are you planning to send a new version of this patch (there are some conflicts
with the latest baseline)?
I can also add it along with the LBS minorder series that I will be sending
out in a week or so, if you are busy.
--
Pankaj
[1] https://github.com/Panky-codes/linux/commits/large-block-minorder-6.8.0-rc2-v1-8k/
next prev parent reply other threads:[~2024-02-05 12:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-06 20:44 Matthew Wilcox (Oracle)
2023-12-06 20:53 ` Dave Chinner
2023-12-06 21:07 ` Yosry Ahmed
2024-02-05 12:00 ` Pankaj Raghav (Samsung) [this message]
[not found] <CGME20240122143620eucas1p1017072128a3b497fd95b796ebaad71a2@eucas1p1.samsung.com>
2024-01-22 14:36 ` Pankaj Raghav
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