On 12/19/2015 09:30 PM, Ben Hutchings wrote:
The various VM_WARN_ON/VM_BUG_ON macros depend on those defined by
<linux/bug.h>. Most users already include those, but not all; for
example:
CC arch/arm64/xen/../../arm/xen/grant-table.o
In file included from arch/arm64/include/../../arm/include/asm/xen/page.h:5:0,
from arch/arm64/include/asm/xen/page.h:1,
from include/xen/page.h:28,
from arch/arm64/xen/../../arm/xen/grant-table.c:33:
arch/arm64/include/asm/pgtable.h: In function 'set_pte_at':
arch/arm64/include/asm/pgtable.h:281:3: error: implicit declaration of function 'BUILD_BUG_ON_INVALID' [-Werror=implicit-function-declaration]
VM_WARN_ONCE(!pte_young(pte),
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
---
include/linux/mmdebug.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 877ef22..772362a 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -1,6 +1,7 @@
#ifndef LINUX_MM_DEBUG_H
#define LINUX_MM_DEBUG_H 1
+#include <linux/bug.h>
#include <linux/stringify.h>
struct page;
--
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