Merge tag 'kvm-arm-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm...
[deliverable/linux.git] / include / linux / mmdebug.h
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1#ifndef LINUX_MM_DEBUG_H
2#define LINUX_MM_DEBUG_H 1
3
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4#include <linux/stringify.h>
5
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6struct page;
7
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8extern void dump_page(struct page *page, const char *reason);
9extern void dump_page_badflags(struct page *page, const char *reason,
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10 unsigned long badflags);
11
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12#ifdef CONFIG_DEBUG_VM
13#define VM_BUG_ON(cond) BUG_ON(cond)
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14#define VM_BUG_ON_PAGE(cond, page) \
15 do { \
16 if (unlikely(cond)) { \
17 dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\
18 BUG(); \
19 } \
20 } while (0)
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21#define VM_WARN_ON(cond) WARN_ON(cond)
22#define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond)
ef6b571f 23#define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format)
59ea7463 24#else
02602a18 25#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
309381fe 26#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
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27#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond)
28#define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond)
ef6b571f 29#define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond)
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30#endif
31
32#ifdef CONFIG_DEBUG_VIRTUAL
33#define VIRTUAL_BUG_ON(cond) BUG_ON(cond)
34#else
7aa413de 35#define VIRTUAL_BUG_ON(cond) do { } while (0)
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36#endif
37
38#endif
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