mm: introduce page reference manipulation functions

[mirror_ubuntu-zesty-kernel.git] / net / core / sock.c

diff --git a/net/core/sock.c b/net/core/sock.c
index 6c1c8bc934127c48bb5e0a95961e61c5b79da5b4..67e7efe12ff7e727c215ed0c67b1b063537c8eca 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1903,7 +1903,7 @@ EXPORT_SYMBOL(sock_cmsg_send);
 bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp)
 {
        if (pfrag->page) {
-               if (atomic_read(&pfrag->page->_count) == 1) {
+               if (page_ref_count(pfrag->page) == 1) {
                        pfrag->offset = 0;
                        return true;
                }