lkml.org 
[lkml]   [2020]   [Feb]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mm: fix long time stall from mm_populate
On Wed, 12 Feb 2020 11:53:22 -0800 Minchan Kim <minchan@kernel.org> wrote:

> > That's definitely wrong. It'll clear PageReclaim and then pretend it did
> > nothing wrong.
> >
> > return !PageWriteback(page) ||
> > test_and_clear_bit(PG_reclaim, &page->flags);
> >
>
> Much better, Thanks for the review, Matthew!
> If there is no objection, I will send two patches to Andrew.
> One is PageReadahead strict, the other is limit retry from mm_populate.

With much more detailed changelogs, please!

This all seems rather screwy. if a page is under writeback then it is
uptodate and we should be able to fault it in immediately.

\
 
 \ /
  Last update: 2020-02-12 23:25    [W:0.063 / U:1.796 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site