Subject: [merged] hwpoison-always-unset-migrate_isolate-before-returning-from-soft_offline_page.patch removed from -mm tree
To: n-horiguchi@xxxxxxxxxxxxx,andi@xxxxxxxxxxxxxx,fengguang.wu@xxxxxxxxx,liwanp@xxxxxxxxxxxxxxxxxx,tony.luck@xxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 12 Sep 2013 12:45:19 -0700
The patch titled
Subject: hwpoison: always unset MIGRATE_ISOLATE before returning from soft_offline_page()
has been removed from the -mm tree. Its filename was
hwpoison-always-unset-migrate_isolate-before-returning-from-soft_offline_page.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Subject: hwpoison: always unset MIGRATE_ISOLATE before returning from soft_offline_page()
Soft offline code expects that MIGRATE_ISOLATE is set on the target page
only during soft offlining work. But currenly it doesn't work as expected
when get_any_page() fails and returns negative value. In the result, end
users can have unexpectedly isolated pages. This patch just fixes it.
Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Reviewed-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory-failure.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN mm/memory-failure.c~hwpoison-always-unset-migrate_isolate-before-returning-from-soft_offline_page mm/memory-failure.c
--- a/mm/memory-failure.c~hwpoison-always-unset-migrate_isolate-before-returning-from-soft_offline_page
+++ a/mm/memory-failure.c
@@ -1553,7 +1553,7 @@ int soft_offline_page(struct page *page,
ret = get_any_page(page, pfn, flags);
if (ret < 0)
- return ret;
+ goto unset;
if (ret) { /* for in-use pages */
if (PageHuge(page))
ret = soft_offline_huge_page(page, flags);
@@ -1570,6 +1570,7 @@ int soft_offline_page(struct page *page,
atomic_long_inc(&num_poisoned_pages);
}
}
+unset:
unset_migratetype_isolate(page, MIGRATE_MOVABLE);
return ret;
}
_
Patches currently in -mm which might be from n-horiguchi@xxxxxxxxxxxxx are
origin.patch
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