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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.