mm, hugetlb: move up the code which check availability of free huge page

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

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 6e51483..a879035 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -539,10 +539,6 @@ static struct page *dequeue_huge_page_vma(struct hstate *h,
        struct zoneref *z;
        unsigned int cpuset_mems_cookie;
 
-retry_cpuset:
-       cpuset_mems_cookie = get_mems_allowed();
-       zonelist = huge_zonelist(vma, address,
-                                       htlb_alloc_mask, &mpol, &nodemask);
        /*
         * A child process with MAP_PRIVATE mappings created by their parent
         * have no page reserves. This check ensures that reservations are
@@ -556,6 +552,11 @@ retry_cpuset:
        if (avoid_reserve && h->free_huge_pages - h->resv_huge_pages == 0)
                goto err;
 
+retry_cpuset:
+       cpuset_mems_cookie = get_mems_allowed();
+       zonelist = huge_zonelist(vma, address,
+                                       htlb_alloc_mask, &mpol, &nodemask);
+
        for_each_zone_zonelist_nodemask(zone, z, zonelist,
                                                MAX_NR_ZONES - 1, nodemask) {
                if (cpuset_zone_allowed_softwall(zone, htlb_alloc_mask)) {
@@ -574,7 +575,6 @@ retry_cpuset:
        return page;
 
 err:
-       mpol_cond_put(mpol);
        return NULL;
 }