[PATCH 6/8] Revert "mm: compaction: make isolate_lru_page() filter-aware"

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This reverts commit
39deaf8585152f1a35c1676d3d7dc6ae0fb65967.

PageDirty is non blocking for compaction (unlike for
mm/vmscan.c:may_writepage) so async compaction should include it.

Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
---
 mm/compaction.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 9a7fbf5..83bf33f 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -261,7 +261,6 @@ static isolate_migrate_t isolate_migratepages(struct zone *zone,
 	unsigned long last_pageblock_nr = 0, pageblock_nr;
 	unsigned long nr_scanned = 0, nr_isolated = 0;
 	struct list_head *migratelist = &cc->migratepages;
-	isolate_mode_t mode = ISOLATE_ACTIVE|ISOLATE_INACTIVE;
 
 	/* Do not scan outside zone boundaries */
 	low_pfn = max(cc->migrate_pfn, zone->zone_start_pfn);
@@ -350,7 +349,8 @@ static isolate_migrate_t isolate_migratepages(struct zone *zone,
 		}
 
 		/* Try isolate the page */
-		if (__isolate_lru_page(page, mode, 0) != 0)
+		if (__isolate_lru_page(page,
+				ISOLATE_ACTIVE|ISOLATE_INACTIVE, 0) != 0)
 			continue;
 
 		VM_BUG_ON(PageTransCompound(page));

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