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TP-Link_Archer-XR500v/EN7526G_3.18Kernel_SDK/linux-3.18.21/include/linux/mmdebug.h
2024-07-22 01:58:46 -03:00

59 lines
1.6 KiB
C
Executable File

#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
#define VIRTUAL_BUG_ON(cond) BUG_ON(cond)
#else
#define VIRTUAL_BUG_ON(cond) do { } while (0)
#endif
#endif