1 files changed, 2 insertions, 1 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 228194728ccd..2e6635993558 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1595,6 +1595,7 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark,
 {
         /* free_pages my go negative - that's OK */
         long min = mark;
+        long lowmem_reserve = z->lowmem_reserve[classzone_idx];
         int o;
 
         free_pages -= (1 << order) - 1;
@@ -1603,7 +1604,7 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark,
         if (alloc_flags & ALLOC_HARDER)
                 min -= min / 4;
 
-        if (free_pages <= min + z->lowmem_reserve[classzone_idx])
+        if (free_pages <= min + lowmem_reserve)
                 return false;
         for (o = 0; o < order; o++) {
                 /* At the next order, this order's pages become unavailable */