Messages in this thread | | | From | Song Liu <> | Subject | [PATCH v5 0/2] fix and improvement for file THP | Date | Tue, 5 Nov 2019 22:09:28 -0800 |
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This set includes a fix and an improvement for file THP.
1/2 fixes pagecache corruption for file THP, where !PageUptodate page gets collapsed into huge page. 1/2 is needed for 5.4.
2/2 improve collapse of file THP by flushing dirty page in collapse_file(). 2/2 can wait until 5.5.
Thanks, Song
Song Liu (2): mm,thp: recheck each page before collapsing file THP mm/thp: flush file for !is_shmem PageDirty() case in collapse_file()
mm/khugepaged.c | 42 ++++++++++++++++++++++++++++++++---------- 1 file changed, 32 insertions(+), 10 deletions(-)
-- 2.17.1
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