2008-06-12 19:56:40 +08:00
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#ifndef LINUX_MM_DEBUG_H
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#define LINUX_MM_DEBUG_H 1
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2014-06-05 07:07:02 +08:00
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#include <linux/stringify.h>
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2014-01-24 07:52:54 +08:00
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struct page;
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2014-10-10 06:28:06 +08:00
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struct vm_area_struct;
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2014-01-24 07:52:54 +08:00
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2014-04-08 06:37:38 +08:00
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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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2014-01-24 07:52:54 +08:00
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unsigned long badflags);
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2014-10-10 06:28:06 +08:00
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void dump_vma(const struct vm_area_struct *vma);
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2014-01-24 07:52:54 +08:00
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2008-06-12 19:56:40 +08:00
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#ifdef CONFIG_DEBUG_VM
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#define VM_BUG_ON(cond) BUG_ON(cond)
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2014-06-05 07:07:02 +08:00
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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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2014-10-10 06:28:08 +08:00
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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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2014-06-05 07:06:59 +08:00
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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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2014-08-07 07:06:30 +08:00
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#define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format)
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2008-06-12 19:56:40 +08:00
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#else
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2012-05-30 06:06:28 +08:00
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#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
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2014-01-24 07:52:54 +08:00
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#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
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2014-10-10 06:28:08 +08:00
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#define VM_BUG_ON_VMA(cond, vma) VM_BUG_ON(cond)
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2014-06-05 07:06:59 +08:00
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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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2014-08-07 07:06:30 +08:00
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#define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond)
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2008-06-12 19:56:40 +08:00
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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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2008-06-19 19:28:11 +08:00
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#define VIRTUAL_BUG_ON(cond) do { } while (0)
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2008-06-12 19:56:40 +08:00
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#endif
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#endif
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