1 files changed, 20 insertions, 9 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9bd339eb04c6..527f73e4c63f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1759,6 +1759,9 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
                 /* The OOM killer will not help higher order allocs */
                 if (order > PAGE_ALLOC_COSTLY_ORDER)
                         goto out;
+                /* The OOM killer does not needlessly kill tasks for lowmem */
+                if (high_zoneidx < ZONE_NORMAL)
+                        goto out;
                 /*
                  * GFP_THISNODE contains __GFP_NORETRY and we never hit this.
                  * Sanity check for bare calls of __GFP_THISNODE, not real OOM.
@@ -2052,15 +2055,23 @@ rebalance:
                         if (page)
                                 goto got_pg;
 
-                        /*
-                         * The OOM killer does not trigger for high-order
-                         * ~__GFP_NOFAIL allocations so if no progress is being
-                         * made, there are no other options and retrying is
-                         * unlikely to help.
-                         */
-                        if (order > PAGE_ALLOC_COSTLY_ORDER &&
-                                                !(gfp_mask & __GFP_NOFAIL))
-                                goto nopage;
+                        if (!(gfp_mask & __GFP_NOFAIL)) {
+                                /*
+                                 * The oom killer is not called for high-order
+                                 * allocations that may fail, so if no progress
+                                 * is being made, there are no other options and
+                                 * retrying is unlikely to help.
+                                 */
+                                if (order > PAGE_ALLOC_COSTLY_ORDER)
+                                        goto nopage;
+                                /*
+                                 * The oom killer is not called for lowmem
+                                 * allocations to prevent needlessly killing
+                                 * innocent tasks.
+                                 */
+                                if (high_zoneidx < ZONE_NORMAL)
+                                        goto nopage;
+                        }
 
                         goto restart;
                 }