Thread (13 messages) 13 messages, 7 authors, 2021-06-18

Re: [PATCH] mm: Mark idle page tracking as BROKEN

From: Kirill A. Shutemov <hidden>
Date: 2021-06-14 11:08:41

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 <redacted>

-- 
 Kirill A. Shutemov
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