From: Miaohe Lin <linmiaohe@huawei.com>
Date: Fri, 26 Feb 2021 01:18:34 +0000 (-0800)
Subject: mm/zsmalloc.c: use page_private() to access page->private
X-Git-Tag: v5.15~1629^2~67
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a6c5e0f75b3f7b8ace146f4eaa6398774d39a640;p=platform%2Fkernel%2Flinux-starfive.git

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.

Link: https://lkml.kernel.org/r/20210203091857.20017-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 1518732..30c358b 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;