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From: yaoaili126@163.com
To: naoya.horiguchi@nec.com
Cc: linux-mm@kvack.org, YANGFENG1@kingsoft.com,
	Aili Yao <yaoaili@kingsoft.com>,
	willy@infradead.org, Yang Feng <yangfeng1@kingsoft.com>
Subject: [PATCH] Fix incorrect compound page flags store
Date: Mon,  7 Sep 2020 20:44:42 -0700	[thread overview]
Message-ID: <20200908034441.16359-1-yaoaili126@163.com> (raw)

From: Aili Yao <yaoaili@kingsoft.com>

PageHuge(p) branch will never be true,but for compound page we need to set page_flags to correct value.

Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Yang Feng < yangfeng1@kingsoft.com>
Signed-off-by: Aili Yao <yaoaili@kingsoft.com>
---
 mm/memory-failure.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index f1aa6433f404..e6995976b11d 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1382,7 +1382,7 @@ int memory_failure(unsigned long pfn, int flags)
 	 * page_remove_rmap() in try_to_unmap_one(). So to determine page status
 	 * correctly, we save a copy of the page flags at this time.
 	 */
-	if (PageHuge(p))
+	if (PageCompound(p))
 		page_flags = hpage->flags;
 	else
 		page_flags = p->flags;
-- 
2.18.4




             reply	other threads:[~2020-09-08  3:45 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-08  3:44 yaoaili126 [this message]
2020-09-08  7:02 ` [PATCH] Fix incorrect compound page flags store HORIGUCHI NAOYA(堀口　直也)
2020-09-08  7:18   ` yaoaili [么爱利]
2020-09-08  7:26   ` Oscar Salvador
2020-09-08  8:02     ` yaoaili [么爱利]
2020-09-08  8:09       ` Oscar Salvador
2020-09-08  8:36     ` HORIGUCHI NAOYA(堀口　直也)
2020-09-08  8:48       ` yaoaili [么爱利]
2020-09-08  9:00         ` HORIGUCHI NAOYA(堀口　直也)
2020-09-08  9:10           ` yaoaili [么爱利]
2020-09-08  8:51       ` Oscar Salvador
2020-09-08  9:05         ` HORIGUCHI NAOYA(堀口　直也)
2020-09-18  9:35           ` Oscar Salvador
2020-09-25  1:18             ` HORIGUCHI NAOYA(堀口　直也)
2020-09-25  1:55               ` yaoaili [么爱利]
2020-09-25  4:35                 ` HORIGUCHI NAOYA(堀口　直也)
2020-09-25  5:52                   ` yaoaili [么爱利]
  -- strict thread matches above, loose matches on Subject: below --
2020-09-02 11:24 [PATCH] fix " yaoaili [么爱利]
2020-09-02 11:35 ` Matthew Wilcox

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