diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 2a3e9ba814c4125d877554b80bc9e7353e7a21e9..da5601d13a7f092050d52ed63fb26637eb28c474 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -381,7 +381,7 @@ static void netlink_frame_flush_dcache(const struct nl_mmap_hdr *hdr)
 
 	/* First page is flushed through netlink_{get,set}_status */
 	p_start = pgvec_to_page(hdr + PAGE_SIZE);
-	p_end   = pgvec_to_page((void *)hdr + NL_MMAP_MSG_HDRLEN + hdr->nm_len - 1);
+	p_end   = pgvec_to_page((void *)hdr + NL_MMAP_HDRLEN + hdr->nm_len - 1);
 	while (p_start <= p_end) {
 		flush_dcache_page(p_start);
 		p_start++;