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Diffstat (limited to 'include/linux/mmdebug.h')
-rw-r--r--include/linux/mmdebug.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 2f348d02f640..877ef226f90f 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -4,10 +4,14 @@
#include <linux/stringify.h>
struct page;
+struct vm_area_struct;
+struct mm_struct;
extern void dump_page(struct page *page, const char *reason);
extern void dump_page_badflags(struct page *page, const char *reason,
unsigned long badflags);
+void dump_vma(const struct vm_area_struct *vma);
+void dump_mm(const struct mm_struct *mm);
#ifdef CONFIG_DEBUG_VM
#define VM_BUG_ON(cond) BUG_ON(cond)
@@ -18,12 +22,28 @@ extern void dump_page_badflags(struct page *page, const char *reason,
BUG(); \
} \
} while (0)
+#define VM_BUG_ON_VMA(cond, vma) \
+ do { \
+ if (unlikely(cond)) { \
+ dump_vma(vma); \
+ BUG(); \
+ } \
+ } while (0)
+#define VM_BUG_ON_MM(cond, mm) \
+ do { \
+ if (unlikely(cond)) { \
+ dump_mm(mm); \
+ BUG(); \
+ } \
+ } while (0)
#define VM_WARN_ON(cond) WARN_ON(cond)
#define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond)
#define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format)
#else
#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
+#define VM_BUG_ON_VMA(cond, vma) VM_BUG_ON(cond)
+#define VM_BUG_ON_MM(cond, mm) 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)
#define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond)