ceph: use __page_cache_alloc and add_to_page_cache_lru

Following Nick Piggin patches in btrfs, pagecache pages should be
allocated with __page_cache_alloc, so they obey pagecache memory
policies.

Also, using add_to_page_cache_lru instead of using a private
pagevec where applicable.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index cd4fadb6491a..af3b143fbf02 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -1947,7 +1947,7 @@ struct ceph_messenger *ceph_messenger_create(struct ceph_entity_addr *myaddr)
 
         /* the zero page is needed if a request is "canceled" while the message
          * is being written over the socket */
-        msgr->zero_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+        msgr->zero_page = __page_cache_alloc(GFP_KERNEL | __GFP_ZERO);
         if (!msgr->zero_page) {
                 kfree(msgr);
                 return ERR_PTR(-ENOMEM);