From: Matthew Wilcox <willy@infradead.org>
To: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Joanne Koong <joannelkoong@gmail.com>,
Jingbo Xu <jefflexu@linux.alibaba.com>,
miklos@szeredi.hu, linux-fsdevel@vger.kernel.org,
josef@toxicpanda.com, bernd.schubert@fastmail.fm,
kernel-team@meta.com
Subject: Re: [PATCH v2 00/12] fuse: support large folios
Date: Fri, 6 Dec 2024 22:33:56 +0000 [thread overview]
Message-ID: <Z1N71FJYYIqF0P8_@casper.infradead.org> (raw)
In-Reply-To: <k5r4wheqx4bwbtnorrzath2n6pg22ginkyha4vuw342tvn4uah@tjy5j2kvbuxk>
On Fri, Dec 06, 2024 at 02:27:36PM -0800, Shakeel Butt wrote:
> For anon memory or specifically THPs allocation, we can tune though
> sysctls to be less aggressive but there is infrastructure like
> khugepaged which in background converts small pages into THPs. I can
> imagine that we might want something similar for filesystem as well.
khugepaged also works on files. Where Somebody Needs To Do Something
is that right now it gives up if it sees large folios (because it was
written when there were two sizes of folio -- order 0 and PMD_ORDER).
Nobody has yet taken on making it turn order-N folios into PMD_ORDER
folios. Perhaps you'd like to do that?
next prev parent reply other threads:[~2024-12-06 22:34 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-25 22:05 [PATCH v2 00/12] fuse: support large folios Joanne Koong
2024-11-25 22:05 ` [PATCH v2 01/12] fuse: support copying " Joanne Koong
2024-11-25 22:05 ` [PATCH v2 02/12] fuse: support large folios for retrieves Joanne Koong
2024-11-25 22:05 ` [PATCH v2 03/12] fuse: refactor fuse_fill_write_pages() Joanne Koong
2024-11-25 22:05 ` [PATCH v2 04/12] fuse: support large folios for writethrough writes Joanne Koong
2024-11-25 22:05 ` [PATCH v2 05/12] fuse: support large folios for folio reads Joanne Koong
2024-11-25 22:05 ` [PATCH v2 06/12] fuse: support large folios for symlinks Joanne Koong
2024-11-25 22:05 ` [PATCH v2 07/12] fuse: support large folios for stores Joanne Koong
2024-11-25 22:05 ` [PATCH v2 08/12] fuse: support large folios for queued writes Joanne Koong
2024-11-25 22:05 ` [PATCH v2 09/12] fuse: support large folios for readahead Joanne Koong
2024-11-25 22:05 ` [PATCH v2 10/12] fuse: support large folios for direct io Joanne Koong
2024-12-09 15:50 ` Josef Bacik
2024-12-09 15:54 ` Matthew Wilcox
2024-12-11 21:04 ` Joanne Koong
2024-12-11 21:11 ` Matthew Wilcox
2024-12-11 21:35 ` Joanne Koong
2024-11-25 22:05 ` [PATCH v2 11/12] fuse: support large folios for writeback Joanne Koong
2024-11-25 22:05 ` [PATCH v2 12/12] fuse: enable large folios Joanne Koong
2024-12-06 9:50 ` [PATCH v2 00/12] fuse: support " Jingbo Xu
2024-12-06 17:41 ` Joanne Koong
2024-12-06 20:36 ` Shakeel Butt
2024-12-06 22:11 ` Joanne Koong
2024-12-06 22:27 ` Shakeel Butt
2024-12-06 22:33 ` Matthew Wilcox [this message]
2024-12-09 17:23 ` Shakeel Butt
2024-12-06 22:25 ` Matthew Wilcox
2024-12-10 0:31 ` Joanne Koong
2025-01-08 21:03 ` Joanne Koong
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