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 <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Rik van Riel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Joonsoo Kim 2014-04-07 15:37:07 -07:00 • committed by Linus Torvalds
commit b6c750163c

View file

@ -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;