Messages in this thread | | | Date | Wed, 12 Feb 2020 14:24:35 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: fix long time stall from mm_populate |
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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.
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