diff options
| author | Hugh Dickins <[email protected]> | 2018-11-30 14:10:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2018-11-30 14:56:15 -0800 |
| commit | 701270fa193aadf00bdcf607738f64997275d4c7 (patch) | |
| tree | 6f9a0bd6ab13d9213050c0ff4e739953dd5c7570 /tools/perf/scripts/python/bin/export-to-postgresql-report | |
| parent | 006d3ff27e884f80bd7d306b041afc415f63598f (diff) | |
mm/khugepaged: collapse_shmem() stop if punched or truncated
Huge tmpfs testing showed that although collapse_shmem() recognizes a
concurrently truncated or hole-punched page correctly, its handling of
holes was liable to refill an emptied extent. Add check to stop that.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: f3f0e1d2150b2 ("khugepaged: add support of collapse for tmpfs/shmem pages")
Signed-off-by: Hugh Dickins <[email protected]>
Reviewed-by: Matthew Wilcox <[email protected]>
Cc: Kirill A. Shutemov <[email protected]>
Cc: Jerome Glisse <[email protected]>
Cc: Konstantin Khlebnikov <[email protected]>
Cc: <[email protected]> [4.8+]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-report')
0 files changed, 0 insertions, 0 deletions