From 110ceb8287fd0af104a7a15db93534ab0dc2bc21 Mon Sep 17 00:00:00 2001 From: Miaohe Lin Date: Mon, 14 Dec 2020 19:14:22 -0800 Subject: [PATCH] mm/zsmalloc.c: rework the list_add code in insert_zspage() Rework the list_add code to make it more readable and simple. Link: https://lkml.kernel.org/r/20201015130107.65195-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Acked-by: Minchan Kim Reviewed-by: Sergey Senozhatsky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/zsmalloc.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index cdfaaadea8ff..7289f502ffac 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -726,13 +726,10 @@ static void insert_zspage(struct size_class *class, * We want to see more ZS_FULL pages and less almost empty/full. * Put pages with higher ->inuse first. */ - if (head) { - if (get_zspage_inuse(zspage) < get_zspage_inuse(head)) { - list_add(&zspage->list, &head->list); - return; - } - } - list_add(&zspage->list, &class->fullness_list[fullness]); + if (head && get_zspage_inuse(zspage) < get_zspage_inuse(head)) + list_add(&zspage->list, &head->list); + else + list_add(&zspage->list, &class->fullness_list[fullness]); } /*