On 10/14/2014 04:29 PM, David Cohen wrote: >> + VM_BUG_ON(PageTail(page)); >> > + VM_BUG_ON(PageHead(page) && compound_order(page) != order); > It may be too severe. AFAIU we're not talking about a fatal error. > How about VM_WARN_ON()?
VM_BUG_ON() should catch anything which is not "supposed" to happen, and not just the severe stuff. Unlike BUG_ON, VM_BUG_ON only gets hit with mm debugging enabled. Thanks, Sasha -- 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/

