From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: akpm@linuxfoundation.org, linux-mm@kvack.org,
Heiko Carstens <hca@linux.ibm.com>,
Rafael Aquini <aquini@redhat.com>,
Vlastimil Babka <vbabka@suse.cz>, Yu Zhao <yuzhao@google.com>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
kirill.shutemov@linux.intel.com
Subject: Re: [PATCH] mm: Mark idle page tracking as BROKEN
Date: Mon, 14 Jun 2021 14:08:55 +0300 [thread overview]
Message-ID: <20210614110855.k3j6dpkxn4earjyf@box.shutemov.name> (raw)
In-Reply-To: <20210612000714.775825-1-willy@infradead.org>
On Sat, Jun 12, 2021 at 01:07:14AM +0100, Matthew Wilcox (Oracle) wrote:
> In discussion with other MM developers around how idle page tracking
> should be fixed for transparent huge pages, several expressed the opinion
> that it should be removed as it is inefficient at accomplishing the
> job that it is supposed to, and we have better mechanisms (eg uffd) for
> accomplishing the same goals these days.
>
> Mark the feature as BROKEN for now and we can remove it entirely in a
> few months if nobody complains. It is not enabled by Android, ChromeOS,
> Debian, Fedora or SUSE. Red Hat enabled it with RHEL-8.1 and UEK followed
> suit, but I have been unable to find why RHEL enabled it.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
--
Kirill A. Shutemov
next prev parent reply other threads:[~2021-06-14 11:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-12 0:07 [PATCH] mm: Mark idle page tracking as BROKEN Matthew Wilcox (Oracle)
2021-06-12 3:14 ` Yu Zhao
2021-06-14 11:08 ` Kirill A. Shutemov [this message]
2021-06-14 13:49 ` SeongJae Park
2021-06-15 2:04 ` Andrew Morton
2021-06-15 6:40 ` SeongJae Park
2021-06-15 7:41 ` David Hildenbrand
2021-06-16 2:55 ` Matthew Wilcox
2021-06-16 6:22 ` Yu Zhao
2021-06-16 8:36 ` Vlastimil Babka
2021-06-16 8:43 ` David Hildenbrand
2021-06-16 19:23 ` Yu Zhao
2021-06-18 12:48 ` David Hildenbrand
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=20210614110855.k3j6dpkxn4earjyf@box.shutemov.name \
--to=kirill@shutemov.name \
--cc=akpm@linuxfoundation.org \
--cc=aquini@redhat.com \
--cc=hca@linux.ibm.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=linux-mm@kvack.org \
--cc=vbabka@suse.cz \
--cc=vdavydov.dev@gmail.com \
--cc=willy@infradead.org \
--cc=yuzhao@google.com \
/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).