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-rw-r--r--include/linux/mmdebug.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index a3499d7b0e8a..edd82a105220 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -1,6 +1,8 @@
#ifndef LINUX_MM_DEBUG_H
#define LINUX_MM_DEBUG_H 1
+#include <linux/stringify.h>
+
struct page;
extern void dump_page(struct page *page, const char *reason);
@@ -9,8 +11,13 @@ extern void dump_page_badflags(struct page *page, const char *reason,
#ifdef CONFIG_DEBUG_VM
#define VM_BUG_ON(cond) BUG_ON(cond)
-#define VM_BUG_ON_PAGE(cond, page) \
- do { if (unlikely(cond)) { dump_page(page, NULL); BUG(); } } while (0)
+#define VM_BUG_ON_PAGE(cond, page) \
+ do { \
+ if (unlikely(cond)) { \
+ dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\
+ BUG(); \
+ } \
+ } while (0)
#define VM_WARN_ON(cond) WARN_ON(cond)
#define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond)
#else