Messages in this thread Patch in this message | | | From | Wei Yang <> | Subject | [PATCH] mm/page_alloc: fallbacks at most has 3 elements | Date | Fri, 26 Jun 2020 07:10:22 +0800 |
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MIGRAGE_TYPES is used to be the mark of end and there are at most 3 elements for the one dimension array.
Reduce to 3 to save little memory.
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index dabec744ceff..8b0df4aeb8c6 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2266,7 +2266,7 @@ struct page *__rmqueue_smallest(struct zone *zone, unsigned int order, * This array describes the order lists are fallen back to when * the free lists for the desirable migrate type are depleted */ -static int fallbacks[MIGRATE_TYPES][4] = { +static int fallbacks[MIGRATE_TYPES][3] = { [MIGRATE_UNMOVABLE] = { MIGRATE_RECLAIMABLE, MIGRATE_MOVABLE, MIGRATE_TYPES }, [MIGRATE_MOVABLE] = { MIGRATE_RECLAIMABLE, MIGRATE_UNMOVABLE, MIGRATE_TYPES }, [MIGRATE_RECLAIMABLE] = { MIGRATE_UNMOVABLE, MIGRATE_MOVABLE, MIGRATE_TYPES }, -- 2.20.1 (Apple Git-117)
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