mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 20:47:12 +07:00
a54f9aebaa
This enables us to do VM_WARN(condition, "warn message"); Link: http://lkml.kernel.org/r/1464692688-6612-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
#ifndef LINUX_MM_DEBUG_H
|
|
#define LINUX_MM_DEBUG_H 1
|
|
|
|
#include <linux/bug.h>
|
|
#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(struct page *page, const char *reason);
|
|
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)
|
|
#define VM_WARN(cond, format...) WARN(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)
|
|
#define VM_WARN(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
|
|
|
|
#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
|
|
|
|
#endif
|