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								#ifndef LINUX_MM_DEBUG_H
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								#define LINUX_MM_DEBUG_H 1
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								#include <linux/stringify.h>
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								struct page;
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								struct vm_area_struct;
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								struct mm_struct;
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								extern void dump_page(struct page *page, const char *reason);
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								extern void dump_page_badflags(struct page *page, const char *reason,
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											       unsigned long badflags);
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								void dump_vma(const struct vm_area_struct *vma);
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								void dump_mm(const struct mm_struct *mm);
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								#ifdef CONFIG_DEBUG_VM
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								#define VM_BUG_ON(cond) BUG_ON(cond)
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								#define VM_BUG_ON_PAGE(cond, page)					\
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									do {								\
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										if (unlikely(cond)) {					\
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											dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\
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											BUG();						\
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										}							\
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									} while (0)
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								#define VM_BUG_ON_VMA(cond, vma)					\
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									do {								\
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										if (unlikely(cond)) {					\
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											dump_vma(vma);					\
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											BUG();						\
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										}							\
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									} while (0)
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								#define VM_BUG_ON_MM(cond, mm)						\
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									do {								\
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										if (unlikely(cond)) {					\
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											dump_mm(mm);					\
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											BUG();						\
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										}							\
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									} while (0)
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								#define VM_WARN_ON(cond) WARN_ON(cond)
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								#define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond)
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								#define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format)
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								#else
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								#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
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								#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
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								#define VM_BUG_ON_VMA(cond, vma) VM_BUG_ON(cond)
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								#define VM_BUG_ON_MM(cond, mm) VM_BUG_ON(cond)
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								#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond)
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								#define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond)
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								#define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond)
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								#endif
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								#ifdef CONFIG_DEBUG_VIRTUAL
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								#define VIRTUAL_BUG_ON(cond) BUG_ON(cond)
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								#else
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								#define VIRTUAL_BUG_ON(cond) do { } while (0)
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								#endif
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								#endif
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