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-rw-r--r--mm/kmemleak.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 15c50302ff93..c833addd94d7 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -100,6 +100,7 @@
#include <linux/kmemcheck.h>
#include <linux/kmemleak.h>
+#include <linux/memory_hotplug.h>
/*
* Kmemleak configuration and common defines.
@@ -1292,9 +1293,9 @@ static void kmemleak_scan(void)
#endif
/*
- * Struct page scanning for each node. The code below is not yet safe
- * with MEMORY_HOTPLUG.
+ * Struct page scanning for each node.
*/
+ lock_memory_hotplug();
for_each_online_node(i) {
pg_data_t *pgdat = NODE_DATA(i);
unsigned long start_pfn = pgdat->node_start_pfn;
@@ -1313,6 +1314,7 @@ static void kmemleak_scan(void)
scan_block(page, page + 1, NULL, 1);
}
}
+ unlock_memory_hotplug();
/*
* Scanning the task stacks (may introduce false negatives).