From: "zhaoyang.huang" <zhaoyang.huang@unisoc.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Zhaoyang Huang <huangzhaoyang@gmail.com>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>, <ke.wang@unisoc.com>
Subject: [PATCH] mm: skip reserved page for kmem leak scanning
Date: Fri, 26 Aug 2022 11:12:10 +0800 [thread overview]
Message-ID: <1661483530-11308-1-git-send-email-zhaoyang.huang@unisoc.com> (raw)
From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
It is no need to scan reserved page, skip it.
Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
---
mm/kmemleak.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index a182f5d..c546250 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1471,7 +1471,7 @@ static void kmemleak_scan(void)
if (page_zone(page) != zone)
continue;
/* only scan if page is in use */
- if (page_count(page) == 0)
+ if (page_count(page) == 0 && !PageReserved(page))
continue;
scan_block(page, page + 1, NULL);
if (!(pfn & 63))
--
1.9.1
next reply other threads:[~2022-08-26 3:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-26 3:12 zhaoyang.huang [this message]
2022-08-26 3:23 ` [PATCH] mm: skip reserved page for kmem leak scanning Zhaoyang Huang
2022-08-29 12:18 ` David Hildenbrand
2022-08-30 2:41 ` Zhaoyang Huang
2022-08-30 8:03 ` David Hildenbrand
2022-08-30 8:52 ` Zhaoyang Huang
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