On Wed, Aug 19, 2015 at 10:05:40AM -0400, Jeff Layton wrote: > If the list_head is empty then we'll have called list_lru_from_kmem > for nothing. Move that call inside of the list_empty if block. > > Cc: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx> > Signed-off-by: Jeff Layton <jeff.layton@xxxxxxxxxxxxxxx> Reviewed-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx> > --- > mm/list_lru.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/list_lru.c b/mm/list_lru.c > index 909eca2c820e..e1da19fac1b3 100644 > --- a/mm/list_lru.c > +++ b/mm/list_lru.c > @@ -99,8 +99,8 @@ bool list_lru_add(struct list_lru *lru, struct list_head *item) > struct list_lru_one *l; > > spin_lock(&nlru->lock); > - l = list_lru_from_kmem(nlru, item); > if (list_empty(item)) { > + l = list_lru_from_kmem(nlru, item); > list_add_tail(item, &l->list); > l->nr_items++; > spin_unlock(&nlru->lock); > @@ -118,8 +118,8 @@ bool list_lru_del(struct list_lru *lru, struct list_head *item) > struct list_lru_one *l; > > spin_lock(&nlru->lock); > - l = list_lru_from_kmem(nlru, item); > if (!list_empty(item)) { > + l = list_lru_from_kmem(nlru, item); > list_del_init(item); > l->nr_items--; > spin_unlock(&nlru->lock); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>