在 2020/8/13 下午12:02, Alexander Duyck 写道: > From: Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx> > > We can drop the need for the locked variable by making use of the > lruvec_holds_page_lru_lock function. By doing this we can avoid some rcu > locking ugliness for the case where the lruvec is still holding the LRU > lock associated with the page. Instead we can just use the lruvec and if it > is NULL we assume the lock was released. > > Signed-off-by: Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx> > --- > mm/compaction.c | 45 ++++++++++++++++++++------------------------- > 1 file changed, 20 insertions(+), 25 deletions(-) Thanks a lot! Don't know if community is ok if we keep the patch following whole patchset alone?