Vlastimil pointed out that a check for isolation is redundant in __free_one_page as compaction_capture checks for it.
This is a fix for the mmotm patch mm-compaction-capture-a-page-under-direct-compaction.patch Signed-off-by: Mel Gorman <[email protected]> --- mm/page_alloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d61174bb0333..b2eee9b71986 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -887,8 +887,7 @@ static inline void __free_one_page(struct page *page, continue_merging: while (order < max_order - 1) { if (compaction_capture(capc, page, order, migratetype)) { - if (likely(!is_migrate_isolate(migratetype))) - __mod_zone_freepage_state(zone, -(1 << order), + __mod_zone_freepage_state(zone, -(1 << order), migratetype); return; }
