On Wed, Oct 22, 2014 at 02:15:54PM +0200, Peter Zijlstra wrote: > On Wed, Oct 22, 2014 at 02:53:04PM +0300, Kirill A. Shutemov wrote: > > Em, no. In this case change_protection() will not touch the pte, since > > it's pte_none() and the pte_same() check will pass just fine. > > Oh, that's what you meant. Yes that's a problem, yes vm_page_prot > needs wrapping too.
Maybe also vm_policy, is there anything else that can change while a vma lives? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
