Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH 2/3] Introduce VM_BUG_ON_VMA | Date | Fri, 29 Aug 2014 10:54:18 -0400 |
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Very similar to VM_BUG_ON_PAGE but dumps VMA information instead.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com> --- include/linux/mmdebug.h | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index dfb9333..569e4c8 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -20,12 +20,20 @@ void dump_vma(const struct vm_area_struct *vma); BUG(); \ } \ } while (0) +#define VM_BUG_ON_VMA(cond, vma) \ + do { \ + if (unlikely(cond)) { \ + dump_vma(vma); \ + 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_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) -- 1.7.10.4
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