The patch titled
Subject: mm: skip HWPoisoned pages when onlining pages
has been added to the -mm tree. Its filename is
mm-skip-hwpoisoned-pages-when-onlining-pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-skip-hwpoisoned-pages-when-onlining-pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-skip-hwpoisoned-pages-when-onlining-pages.patch
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------------------------------------------------------
From: Laurent Dufour <ldufour@xxxxxxxxxxxxxxxxxx>
Subject: mm: skip HWPoisoned pages when onlining pages
b023f46813cd ("memory-hotplug: skip HWPoisoned page when offlining pages")
skipped the HWPoisoned pages when offlining pages, but this should be
skipped when onlining the pages too.
Link: http://lkml.kernel.org/r/1493130472-22843-3-git-send-email-ldufour@xxxxxxxxxxxxxxxxxx
Signed-off-by: Laurent Dufour <ldufour@xxxxxxxxxxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Andrey Vagin <avagin@xxxxxxxxxx>
Cc: Glauber Costa <glommer@xxxxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory_hotplug.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN mm/memory_hotplug.c~mm-skip-hwpoisoned-pages-when-onlining-pages mm/memory_hotplug.c
--- a/mm/memory_hotplug.c~mm-skip-hwpoisoned-pages-when-onlining-pages
+++ a/mm/memory_hotplug.c
@@ -942,6 +942,10 @@ static int online_pages_range(unsigned l
if (PageReserved(pfn_to_page(start_pfn)))
for (i = 0; i < nr_pages; i++) {
page = pfn_to_page(start_pfn + i);
+ if (PageHWPoison(page)) {
+ ClearPageReserved(page);
+ continue;
+ }
(*online_page_callback)(page);
onlined_pages++;
}
_
Patches currently in -mm which might be from ldufour@xxxxxxxxxxxxxxxxxx are
mm-uncharge-poisoned-pages.patch
mm-skip-hwpoisoned-pages-when-onlining-pages.patch
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