X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=mm%2Fcompaction.c;h=7881e072dc33b0b36e5b46dc5d2a9206a2573c7f;hb=fffb397c49f0687cac8816b296eb1d4650c5d746;hp=de3e1e71cd9f265d9df971e98ed931fbdc8611a8;hpb=56e0464980febfa50432a070261579415c72664e;p=firefly-linux-kernel-4.4.55.git

diff --git a/mm/compaction.c b/mm/compaction.c
index de3e1e71cd9f..7881e072dc33 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -880,16 +880,8 @@ isolate_migratepages_range(struct compact_control *cc, unsigned long start_pfn,
 		pfn = isolate_migratepages_block(cc, pfn, block_end_pfn,
 							ISOLATE_UNEVICTABLE);
 
-		/*
-		 * In case of fatal failure, release everything that might
-		 * have been isolated in the previous iteration, and signal
-		 * the failure back to caller.
-		 */
-		if (!pfn) {
-			putback_movable_pages(&cc->migratepages);
-			cc->nr_migratepages = 0;
+		if (!pfn)
 			break;
-		}
 
 		if (cc->nr_migratepages == COMPACT_CLUSTER_MAX)
 			break;