| Date | Mon, 21 Nov 2011 12:57:17 +0000 | From | Mel Gorman <> | Subject | Re: [PATCH 6/8] Revert "mm: compaction: make isolate_lru_page() filter-aware" |
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On Sat, Nov 19, 2011 at 08:54:18PM +0100, Andrea Arcangeli wrote: > This reverts commit > 39deaf8585152f1a35c1676d3d7dc6ae0fb65967. > > PageDirty is non blocking for compaction (unlike for > mm/vmscan.c:may_writepage) so async compaction should include it. >
It blocks if fallback_migrate_page() is used which happens if the underlying filesystem does not support ->migratepage.
-- Mel Gorman SUSE Labs
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