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From: Miaohe Lin <linmiaohe@huawei.com>
To: <akpm@linux-foundation.org>, <minchan@kernel.org>,
	<ngupta@vflare.org>, <sergey.senozhatsky.work@gmail.com>
Cc: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
	<linmiaohe@huawei.com>
Subject: [PATCH] zsmalloc: Rework the list_add code in insert_zspage()
Date: Thu, 15 Oct 2020 09:01:07 -0400	[thread overview]
Message-ID: <20201015130107.65195-1-linmiaohe@huawei.com> (raw)

Rework the list_add code to make it more readable and simplicity.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/zsmalloc.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 918c7b019b3d..b03bee2e1b5f 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -730,13 +730,10 @@ 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]);
 }
 
 /*
-- 
2.19.1


             reply	other threads:[~2020-10-15 13:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-15 13:01 Miaohe Lin [this message]
2020-10-15 18:51 ` Minchan Kim
2020-10-16  0:27   ` Sergey Senozhatsky

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