On Fri, Aug 29, 2014 at 10:54:18AM -0400, Sasha Levin wrote: > Very similar to VM_BUG_ON_PAGE but dumps VMA information instead. > > Signed-off-by: Sasha Levin <[email protected]>
Reviewed-by: Naoya Horiguchi <[email protected]> > --- > 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 > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to [email protected]. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"[email protected]";> [email protected] </a> > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
