[PATCH] mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE fix

From: Sasha Levin
Date: Fri Dec 27 2013 - 17:40:39 EST


I messed up and forgot to commit this fix before sending out the original
patch.

It fixes build issues in various files using VM_BUG_ON_PAGE.

Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
include/linux/mmdebug.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index e522734..8bb6490 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -2,6 +2,7 @@
#define LINUX_MM_DEBUG_H 1

#ifdef CONFIG_DEBUG_VM
+extern void dump_page(struct page *page);
#define VM_BUG_ON(cond) BUG_ON(cond)
#define VM_BUG_ON_PAGE(cond, page) \
do { if (unlikely(cond)) { dump_page(page); BUG(); } } while(0)
--
1.8.3.2

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