aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/mmdebug.h
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-06 23:36:12 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-06 23:36:12 -0700
commit5e2aa2ed08e2e280121dc7cf5609c87d464f12ef (patch)
treeca7d7b1480285e3b617fecc5b41f0ce150a82c32 /include/linux/mmdebug.h
parentInput: document INPUT_PROP_TOPBUTTONPAD (diff)
parentMerge branch 'wacom' into next (diff)
downloadlinux-dev-5e2aa2ed08e2e280121dc7cf5609c87d464f12ef.tar.xz
linux-dev-5e2aa2ed08e2e280121dc7cf5609c87d464f12ef.zip
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.17.
Diffstat (limited to 'include/linux/mmdebug.h')
-rw-r--r--include/linux/mmdebug.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 2d57efa64cc1..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);
@@ -9,11 +11,20 @@ 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
#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
+#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond)
+#define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond)
#endif
#ifdef CONFIG_DEBUG_VIRTUAL