From: Laurent Dufour <ldufour@linux.vnet.ibm.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
akpm@linux-foundation.org
Subject: [RFC 2/2] mm: skip HWPoisoned pages when onlining pages
Date: Thu, 20 Apr 2017 11:26:02 +0200 [thread overview]
Message-ID: <1492680362-24941-3-git-send-email-ldufour@linux.vnet.ibm.com> (raw)
In-Reply-To: <1492680362-24941-1-git-send-email-ldufour@linux.vnet.ibm.com>
The commit b023f46813cd ("memory-hotplug: skip HWPoisoned page when
offlining pages") skip the HWPoisoned pages when offlining pages, but
this should be skipped when onlining the pages too.
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
---
mm/memory_hotplug.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 6fa7208bcd56..20e1fadc2369 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -942,6 +942,8 @@ static int online_pages_range(unsigned long start_pfn, unsigned long nr_pages,
if (PageReserved(pfn_to_page(start_pfn)))
for (i = 0; i < nr_pages; i++) {
page = pfn_to_page(start_pfn + i);
+ if (PageHWPoison(page))
+ continue;
(*online_page_callback)(page);
onlined_pages++;
}
--
2.7.4
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next prev parent reply other threads:[~2017-04-20 9:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-20 9:26 [RFC 0/2] BUG raised when onlining HWPoisoned page Laurent Dufour
2017-04-20 9:26 ` [RFC 1/2] mm: Uncharge poisoned pages Laurent Dufour
2017-04-24 9:05 ` Naoya Horiguchi
2017-04-24 13:15 ` Laurent Dufour
2017-04-20 9:26 ` Laurent Dufour [this message]
2017-04-25 8:00 ` [RFC 2/2] mm: skip HWPoisoned pages when onlining pages Naoya Horiguchi
2017-04-25 14:16 ` Laurent Dufour
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