Re: [PATCH] mm/page_counter: use page_counter_read in page_counter_set_max
> use page_counter_read() in page_counter_set_max(). > > Signed-off-by: Hui Su > --- > mm/page_counter.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/page_counter.c b/mm/page_counter.c > index b24a60b28bb0..c6860f51b6c6 100644 > --- a/mm/page_counter.c > +++ b/mm/page_counter.c > @@ -183,14 +183,14 @@ int page_counter_set_max(struct page_counter *counter, > unsigned long nr_pages) > * the limit, so if it sees the old limit, we see the > * modified counter and retry. > */ > - usage = atomic_long_read(>usage); > + usage = page_counter_read(counter); > > if (usage > nr_pages) > return -EBUSY; > > old = xchg(>max, nr_pages); > > - if (atomic_long_read(>usage) <= usage) > + if (page_counter_read(counter) <= usage) > return 0; > > counter->max = old; Reviewed-by: Pankaj Gupta
[PATCH] mm/page_counter: use page_counter_read in page_counter_set_max
use page_counter_read() in page_counter_set_max(). Signed-off-by: Hui Su --- mm/page_counter.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_counter.c b/mm/page_counter.c index b24a60b28bb0..c6860f51b6c6 100644 --- a/mm/page_counter.c +++ b/mm/page_counter.c @@ -183,14 +183,14 @@ int page_counter_set_max(struct page_counter *counter, unsigned long nr_pages) * the limit, so if it sees the old limit, we see the * modified counter and retry. */ - usage = atomic_long_read(>usage); + usage = page_counter_read(counter); if (usage > nr_pages) return -EBUSY; old = xchg(>max, nr_pages); - if (atomic_long_read(>usage) <= usage) + if (page_counter_read(counter) <= usage) return 0; counter->max = old; -- 2.29.0
