2008-06-12 19:56:40 +08:00
|
|
|
#ifndef LINUX_MM_DEBUG_H
|
|
|
|
#define LINUX_MM_DEBUG_H 1
|
|
|
|
|
2015-12-19 06:22:07 +08:00
|
|
|
#include <linux/bug.h>
|
2014-06-05 07:07:02 +08:00
|
|
|
#include <linux/stringify.h>
|
|
|
|
|
2014-01-24 07:52:54 +08:00
|
|
|
struct page;
|
2014-10-10 06:28:06 +08:00
|
|
|
struct vm_area_struct;
|
2014-10-10 06:28:37 +08:00
|
|
|
struct mm_struct;
|
2014-01-24 07:52:54 +08:00
|
|
|
|
2014-04-08 06:37:38 +08:00
|
|
|
extern void dump_page(struct page *page, const char *reason);
|
2016-03-16 05:56:24 +08:00
|
|
|
extern void __dump_page(struct page *page, const char *reason);
|
2014-10-10 06:28:06 +08:00
|
|
|
void dump_vma(const struct vm_area_struct *vma);
|
2014-10-10 06:28:37 +08:00
|
|
|
void dump_mm(const struct mm_struct *mm);
|
2014-01-24 07:52:54 +08:00
|
|
|
|
2008-06-12 19:56:40 +08:00
|
|
|
#ifdef CONFIG_DEBUG_VM
|
|
|
|
#define VM_BUG_ON(cond) BUG_ON(cond)
|
2014-06-05 07:07:02 +08:00
|
|
|
#define VM_BUG_ON_PAGE(cond, page) \
|
|
|
|
do { \
|
|
|
|
if (unlikely(cond)) { \
|
|
|
|
dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\
|
|
|
|
BUG(); \
|
|
|
|
} \
|
|
|
|
} while (0)
|
2014-10-10 06:28:08 +08:00
|
|
|
#define VM_BUG_ON_VMA(cond, vma) \
|
|
|
|
do { \
|
|
|
|
if (unlikely(cond)) { \
|
|
|
|
dump_vma(vma); \
|
|
|
|
BUG(); \
|
|
|
|
} \
|
|
|
|
} while (0)
|
2014-10-10 06:28:37 +08:00
|
|
|
#define VM_BUG_ON_MM(cond, mm) \
|
|
|
|
do { \
|
|
|
|
if (unlikely(cond)) { \
|
|
|
|
dump_mm(mm); \
|
|
|
|
BUG(); \
|
|
|
|
} \
|
|
|
|
} while (0)
|
2014-06-05 07:06:59 +08:00
|
|
|
#define VM_WARN_ON(cond) WARN_ON(cond)
|
|
|
|
#define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond)
|
2014-08-07 07:06:30 +08:00
|
|
|
#define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format)
|
2008-06-12 19:56:40 +08:00
|
|
|
#else
|
2012-05-30 06:06:28 +08:00
|
|
|
#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
|
2014-01-24 07:52:54 +08:00
|
|
|
#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
|
2014-10-10 06:28:08 +08:00
|
|
|
#define VM_BUG_ON_VMA(cond, vma) VM_BUG_ON(cond)
|
2014-10-10 06:28:37 +08:00
|
|
|
#define VM_BUG_ON_MM(cond, mm) VM_BUG_ON(cond)
|
2014-06-05 07:06:59 +08:00
|
|
|
#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond)
|
|
|
|
#define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond)
|
2014-08-07 07:06:30 +08:00
|
|
|
#define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond)
|
2008-06-12 19:56:40 +08:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_DEBUG_VIRTUAL
|
|
|
|
#define VIRTUAL_BUG_ON(cond) BUG_ON(cond)
|
|
|
|
#else
|
2008-06-19 19:28:11 +08:00
|
|
|
#define VIRTUAL_BUG_ON(cond) do { } while (0)
|
2008-06-12 19:56:40 +08:00
|
|
|
#endif
|
|
|
|
|
2016-01-16 08:51:21 +08:00
|
|
|
#ifdef CONFIG_DEBUG_VM_PGFLAGS
|
|
|
|
#define VM_BUG_ON_PGFLAGS(cond, page) VM_BUG_ON_PAGE(cond, page)
|
|
|
|
#else
|
|
|
|
#define VM_BUG_ON_PGFLAGS(cond, page) BUILD_BUG_ON_INVALID(cond)
|
|
|
|
#endif
|
|
|
|
|
2008-06-12 19:56:40 +08:00
|
|
|
#endif
|