[PATCH 6/8] Revert "mm: compaction: make isolate_lru_page() filter-aware"
From: Andrea Arcangeli <hidden>
Date: 2011-11-19 19:55:12
Also in:
lkml
Subsystem:
memory management, memory management - page allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Linus Torvalds
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 <redacted> --- 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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