mm: optimize put_mems_allowed() usage

[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / filemap.c

diff --git a/mm/filemap.c b/mm/filemap.c
index 7a13f6a..068cd2a 100644 (file)
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -520,10 +520,10 @@ struct page *__page_cache_alloc(gfp_t gfp)
        if (cpuset_do_page_mem_spread()) {
                unsigned int cpuset_mems_cookie;
                do {
-                       cpuset_mems_cookie = get_mems_allowed();
+                       cpuset_mems_cookie = read_mems_allowed_begin();
                        n = cpuset_mem_spread_node();
                        page = alloc_pages_exact_node(n, gfp, 0);
-               } while (!put_mems_allowed(cpuset_mems_cookie) && !page);
+               } while (!page && read_mems_allowed_retry(cpuset_mems_cookie));
 
                return page;
        }