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-rw-r--r--mm/memory_hotplug.c4
-rw-r--r--mm/page_alloc.c5
2 files changed, 2 insertions, 7 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 5e9d18849a0c..929d4209e78b 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1384,9 +1384,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
return ret;
}
-/*
- * remove from free_area[] and mark all as Reserved.
- */
+/* Mark all sections offline and remove all free pages from the buddy. */
static int
offline_isolated_pages_cb(unsigned long start, unsigned long nr_pages,
void *data)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f391c0c4ed1d..293c8c145415 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -8560,7 +8560,7 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn)
{
struct page *page;
struct zone *zone;
- unsigned int order, i;
+ unsigned int order;
unsigned long pfn;
unsigned long flags;
unsigned long offlined_pages = 0;
@@ -8588,7 +8588,6 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn)
*/
if (unlikely(!PageBuddy(page) && PageHWPoison(page))) {
pfn++;
- SetPageReserved(page);
offlined_pages++;
continue;
}
@@ -8602,8 +8601,6 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn)
pfn, 1 << order, end_pfn);
#endif
del_page_from_free_area(page, &zone->free_area[order]);
- for (i = 0; i < (1 << order); i++)
- SetPageReserved((page+i));
pfn += (1 << order);
}
spin_unlock_irqrestore(&zone->lock, flags);