[PATCH v2 2/2] mm: skip HWPoisoned pages when onlining pages

[Laurent Dufour]

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 <lduf...@linux.vnet.ibm.com>
---
 mm/memory_hotplug.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 6fa7208bcd56..741ddb50e7d2 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -942,6 +942,10 @@ 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)) {
+                               ClearPageReserved(page);
+                               continue;
+                       }
                        (*online_page_callback)(page);
                        onlined_pages++;
                }
-- 
2.7.4