There is no need to recalcurate pages_per_zspage in runtime. Just use class->pages_per_zspage to avoid unnecessary runtime overhead. Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx> --- mm/zsmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 27b9661c8fa6..154a30e9c8a8 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1711,7 +1711,7 @@ static unsigned long zs_can_compact(struct size_class *class) obj_wasted /= get_maxobj_per_zspage(class->size, class->pages_per_zspage); - return obj_wasted * get_pages_per_zspage(class->size); + return obj_wasted * class->pages_per_zspage; } static void __zs_compact(struct zs_pool *pool, struct size_class *class) -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>