diff options
Diffstat (limited to 'include/linux/mmdebug.h')
| -rw-r--r-- | include/linux/mmdebug.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index 580bd587d916..877ef226f90f 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -1,10 +1,52 @@ #ifndef LINUX_MM_DEBUG_H #define LINUX_MM_DEBUG_H 1 +#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) +#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_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) #endif #ifdef CONFIG_DEBUG_VIRTUAL |