From: Oliver Upton <oliver.upton@linux.dev>
To: Vincent Donnefort <vdonnefort@google.com>
Cc: maz@kernel.org, kvmarm@lists.linux.dev,
linux-arm-kernel@lists.infradead.org, kernel-team@android.com,
will@kernel.org, willy@infradead.org
Subject: Re: [PATCH v1 0/2] KVM: arm64: Use folio for THP support
Date: Wed, 27 Sep 2023 06:30:40 +0000 [thread overview]
Message-ID: <ZRPMEFvQ-bt4rPDQ@linux.dev> (raw)
In-Reply-To: <20230926181932.1650692-1-vdonnefort@google.com>
Vincent,
On Tue, Sep 26, 2023 at 07:19:30PM +0100, Vincent Donnefort wrote:
> With the introduction of folios for transparent huge pages [1], we
> can rely on this support to identify if a page is backed by a huge one,
> saving a page table walk.
Better yet, this gets rid of a particular walk that has had some rather
hairy bugs in the past :)
> [1] https://lkml.kernel.org/r/20220504182857.4013401-3-willy@infradead.org
nit: for the sake of posterity, it might be good to stick a reference to
commit cb196ee1ef39 ("mm/huge_memory: convert do_huge_pmd_anonymous_page()
to use vma_alloc_folio()") in the changelogs.
--
Thanks,
Oliver
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-09-27 6:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-26 18:19 [PATCH v1 0/2] KVM: arm64: Use folio for THP support Vincent Donnefort
2023-09-26 18:19 ` [PATCH v1 1/2] KVM: arm64: Do not transfer page refcount for THP adjustment Vincent Donnefort
2023-09-27 7:00 ` Matthew Wilcox
2023-09-27 12:40 ` Vincent Donnefort
2023-09-26 18:19 ` [PATCH v1 2/2] KVM: arm64: Use folio " Vincent Donnefort
2023-09-27 6:30 ` Oliver Upton [this message]
2023-09-27 12:39 ` [PATCH v1 0/2] KVM: arm64: Use folio for THP support Vincent Donnefort
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=ZRPMEFvQ-bt4rPDQ@linux.dev \
--to=oliver.upton@linux.dev \
--cc=kernel-team@android.com \
--cc=kvmarm@lists.linux.dev \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=maz@kernel.org \
--cc=vdonnefort@google.com \
--cc=will@kernel.org \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).