linux-kernel - [PATCH] mm/zsmalloc.c: use page_private() to access page->private

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Date:   Wed, 3 Feb 2021 04:18:57 -0500
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>, <minchan@...nel.org>,
        <ngupta@...are.org>, <sergey.senozhatsky.work@...il.com>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH] mm/zsmalloc.c: use page_private() to access page->private

It's recommended to use helper macro page_private() to access the private
field of page. Use such helper to eliminate direct access.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/zsmalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index cf0ed0e4e911..6678951ac83d 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -816,7 +816,7 @@ static int get_pages_per_zspage(int class_size)
 
 static struct zspage *get_zspage(struct page *page)
 {
-	struct zspage *zspage = (struct zspage *)page->private;
+	struct zspage *zspage = (struct zspage *)page_private(page);
 
 	BUG_ON(zspage->magic != ZSPAGE_MAGIC);
 	return zspage;
-- 
2.19.1