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-rw-r--r--mm/memory-failure.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 9ccef39a9de2..6917f799412b 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1664,11 +1664,7 @@ int soft_offline_page(struct page *page, int flags)
}
}
- /*
- * The lock_memory_hotplug prevents a race with memory hotplug.
- * This is a big hammer, a better would be nicer.
- */
- lock_memory_hotplug();
+ get_online_mems();
/*
* Isolate the page, so that it doesn't get reallocated if it
@@ -1679,7 +1675,7 @@ int soft_offline_page(struct page *page, int flags)
set_migratetype_isolate(page, true);
ret = get_any_page(page, pfn, flags);
- unlock_memory_hotplug();
+ put_online_mems();
if (ret > 0) { /* for in-use pages */
if (PageHuge(page))
ret = soft_offline_huge_page(page, flags);