mm/compaction: clean-up code on success of ballon isolation

It is just for clean-up to reduce code size and improve readability.
There is no functional change.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 7 deletions

diff --git a/mm/compaction.c b/mm/compaction.c
index 6878c005bc8e..054c28b51c75 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -562,11 +562,7 @@ isolate_migratepages_range(struct zone *zone, struct compact_control *cc,
                         if (unlikely(balloon_page_movable(page))) {
                                 if (locked && balloon_page_isolate(page)) {
                                         /* Successfully isolated */
-                                        cc->finished_update_migrate = true;
-                                        list_add(&page->lru, migratelist);
-                                        cc->nr_migratepages++;
-                                        nr_isolated++;
-                                        goto check_compact_cluster;
+                                        goto isolate_success;
                                 }
                         }
                         continue;
@@ -627,13 +623,14 @@ isolate_migratepages_range(struct zone *zone, struct compact_control *cc,
                 VM_BUG_ON_PAGE(PageTransCompound(page), page);
 
                 /* Successfully isolated */
-                cc->finished_update_migrate = true;
                 del_page_from_lru_list(page, lruvec, page_lru(page));
+
+isolate_success:
+                cc->finished_update_migrate = true;
                 list_add(&page->lru, migratelist);
                 cc->nr_migratepages++;
                 nr_isolated++;
 
-check_compact_cluster:
                 /* Avoid isolating too much */
                 if (cc->nr_migratepages == COMPACT_CLUSTER_MAX) {
                         ++low_pfn;