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Jiri Slaby59ea7462008-06-12 13:56:40 +02001#ifndef LINUX_MM_DEBUG_H
2#define LINUX_MM_DEBUG_H 1
3
Dave Hansene4f67422014-06-04 16:07:02 -07004#include <linux/stringify.h>
5
Sasha Levin309381fea2014-01-23 15:52:54 -08006struct page;
Sasha Levin0bf55132014-10-09 15:28:06 -07007struct vm_area_struct;
Sasha Levin309381fea2014-01-23 15:52:54 -08008
Kirill A. Shutemovd230dec2014-04-07 15:37:38 -07009extern void dump_page(struct page *page, const char *reason);
10extern void dump_page_badflags(struct page *page, const char *reason,
Sasha Levin309381fea2014-01-23 15:52:54 -080011 unsigned long badflags);
Sasha Levin0bf55132014-10-09 15:28:06 -070012void dump_vma(const struct vm_area_struct *vma);
Sasha Levin309381fea2014-01-23 15:52:54 -080013
Jiri Slaby59ea7462008-06-12 13:56:40 +020014#ifdef CONFIG_DEBUG_VM
15#define VM_BUG_ON(cond) BUG_ON(cond)
Dave Hansene4f67422014-06-04 16:07:02 -070016#define VM_BUG_ON_PAGE(cond, page) \
17 do { \
18 if (unlikely(cond)) { \
19 dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\
20 BUG(); \
21 } \
22 } while (0)
Sasha Levinfa3759c2014-10-09 15:28:08 -070023#define VM_BUG_ON_VMA(cond, vma) \
24 do { \
25 if (unlikely(cond)) { \
26 dump_vma(vma); \
27 BUG(); \
28 } \
29 } while (0)
Andrew Morton02a8efe2014-06-04 16:06:59 -070030#define VM_WARN_ON(cond) WARN_ON(cond)
31#define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond)
Andrew Mortonef6b5712014-08-06 16:06:30 -070032#define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format)
Jiri Slaby59ea7462008-06-12 13:56:40 +020033#else
Konstantin Khlebnikov02602a12012-05-29 15:06:28 -070034#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
Sasha Levin309381fea2014-01-23 15:52:54 -080035#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
Sasha Levinfa3759c2014-10-09 15:28:08 -070036#define VM_BUG_ON_VMA(cond, vma) VM_BUG_ON(cond)
Andrew Morton02a8efe2014-06-04 16:06:59 -070037#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond)
38#define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond)
Andrew Mortonef6b5712014-08-06 16:06:30 -070039#define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond)
Jiri Slaby59ea7462008-06-12 13:56:40 +020040#endif
41
42#ifdef CONFIG_DEBUG_VIRTUAL
43#define VIRTUAL_BUG_ON(cond) BUG_ON(cond)
44#else
Ingo Molnar7aa413d2008-06-19 13:28:11 +020045#define VIRTUAL_BUG_ON(cond) do { } while (0)
Jiri Slaby59ea7462008-06-12 13:56:40 +020046#endif
47
48#endif