[Bug 104218] [CI] igt at gem_tiled_swapping@non-threaded - cause incompletes on following tests

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104218

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|WORKSFORME                  |FIXED

--- Comment #34 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit fa41b900c30b45fab03783724932dc30cd46a6be
Author: Kirill A. Shutemov <kirill.shutemov at linux.intel.com>
Date:   Thu Mar 22 16:17:31 2018 -0700

    mm/thp: do not wait for lock_page() in deferred_split_scan()

    deferred_split_scan() gets called from reclaim path.  Waiting for page
    lock may lead to deadlock there.

    Replace lock_page() with trylock_page() and skip the page if we failed
    to lock it.  We will get to the page on the next scan.

    Link:
http://lkml.kernel.org/r/20180315150747.31945-1-kirill.shutemov@linux.
intel.com
    Fixes: 9a982250f773 ("thp: introduce deferred_split_huge_page()")
    Signed-off-by: Kirill A. Shutemov <kirill.shutemov at linux.intel.com>
    Acked-by: Michal Hocko <mhocko at suse.com>
    Cc: <stable at vger.kernel.org>
    Signed-off-by: Andrew Morton <akpm at linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds at linux-foundation.org>

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