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| author | Kirill A. Shutemov <[email protected]> | 2018-03-22 16:17:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2018-03-22 17:07:01 -0700 |
| commit | fa41b900c30b45fab03783724932dc30cd46a6be (patch) | |
| tree | 4468eaa7456c2e6a439be4df0ed2ec8238e4fa46 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | fece2029a9e65b9a990831afe2a2b83290cbbe26 (diff) | |
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/[email protected]
Fixes: 9a982250f773 ("thp: introduce deferred_split_huge_page()")
Signed-off-by: Kirill A. Shutemov <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions