On Thu, 2019-10-17 at 22:08 -0700, Song Liu wrote: > In collapse_file(), after locking the page, it is necessary to > recheck > that the page is up-to-date, clean, and pointing to the proper > mapping. > If any check fails, abort the collapse. > > Fixes: 99cb0dbd47a1 ("mm,thp: add read-only THP support for (non- > shmem) FS") > Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com> > Cc: Johannes Weiner <han...@cmpxchg.org> > Cc: Hugh Dickins <hu...@google.com> > Cc: William Kucharski <william.kuchar...@oracle.com> > Cc: Andrew Morton <a...@linux-foundation.org> > Signed-off-by: Song Liu <songliubrav...@fb.com>
Acked-by: Rik van Riel <r...@surriel.com>