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From: "zhaoyang.huang" <zhaoyang.huang@unisoc.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Zhaoyang Huang <huangzhaoyang@gmail.com>, <linux-mm@kvack.org>,
	<linux-kernel@vger.kernel.org>, <ke.wang@unisoc.com>
Subject: [PATCH] mm: No need to check pcp page when free it to buddy
Date: Wed, 14 Sep 2022 18:53:40 +0800	[thread overview]
Message-ID: <1663152820-608-1-git-send-email-zhaoyang.huang@unisoc.com> (raw)

From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>

The pages on pcp list have been checked the validity from each entrance. It is
no need to check it again when free them back to buddy.

Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index e008a3d..131536e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1445,7 +1445,7 @@ static bool free_pcp_prepare(struct page *page, unsigned int order)
 
 static bool bulkfree_pcp_prepare(struct page *page)
 {
-	return check_free_page(page);
+	return false;
 }
 #endif /* CONFIG_DEBUG_VM */
 
-- 
1.9.1


             reply	other threads:[~2022-09-14 10:56 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-14 10:53 zhaoyang.huang [this message]
2022-09-14 21:19 ` [PATCH] mm: No need to check pcp page when free it to buddy Andrew Morton

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