The patch titled
mm/page_alloc.c: use list_move() instead of list_del()/list_add() combination
has been added to the -mm tree. Its filename is
mm-page_allocc-use-list_move-instead-of-list_del-list_add-combination.patch
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------------------------------------------------------
Subject: mm/page_alloc.c: use list_move() instead of list_del()/list_add() combination
From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff -puN mm/page_alloc.c~mm-page_allocc-use-list_move-instead-of-list_del-list_add-combination mm/page_alloc.c
--- a/mm/page_alloc.c~mm-page_allocc-use-list_move-instead-of-list_del-list_add-combination
+++ a/mm/page_alloc.c
@@ -863,9 +863,8 @@ static int move_freepages(struct zone *z
}
order = page_order(page);
- list_del(&page->lru);
- list_add(&page->lru,
- &zone->free_area[order].free_list[migratetype]);
+ list_move(&page->lru,
+ &zone->free_area[order].free_list[migratetype]);
page += 1 << order;
pages_moved += 1 << order;
}
_
Patches currently in -mm which might be from kirill@xxxxxxxxxxxxx are
cgroups-if-you-list_empty-a-head-then-dont-list_del-it.patch
mm-page_allocc-use-list_move-instead-of-list_del-list_add-combination.patch
listh-add-debug-version-of-list_empty.patch
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