diff options
| -rw-r--r-- | mm/compaction.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index c62bd063d766..0d0248db36d8 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -611,8 +611,7 @@ check_compact_cluster: continue; next_pageblock: - low_pfn += pageblock_nr_pages; - low_pfn = ALIGN(low_pfn, pageblock_nr_pages) - 1; + low_pfn = ALIGN(low_pfn + 1, pageblock_nr_pages) - 1; last_pageblock_nr = pageblock_nr; } @@ -795,7 +794,7 @@ static isolate_migrate_t isolate_migratepages(struct zone *zone, low_pfn = max(cc->migrate_pfn, zone->zone_start_pfn); /* Only scan within a pageblock boundary */ - end_pfn = ALIGN(low_pfn + pageblock_nr_pages, pageblock_nr_pages); + end_pfn = ALIGN(low_pfn + 1, pageblock_nr_pages); /* Do not cross the free scanner or scan within a memory hole */ if (end_pfn > cc->free_pfn || !pfn_valid(low_pfn)) { |