On Thu, Oct 25, 2012 at 02:16:24PM +0200, Peter Zijlstra wrote: > From: Gerald Schaefer <gerald.schaefer@xxxxxxxxxx> > > This patch adds an implementation of pmd_pgprot() for s390, > in preparation to future THP changes. > The additional pmd_pgprot implementations only are necessary if we want to preserve the PROT_NONE protections across a split but that somewhat forces that PROT_NONE be used as the protection bit across all architectures. Is that possible? I think I would prefer that prot-protection-across-splits just went away until it was proven necessary and potentially recoded in terms of _PAGE_NUMA and friends instead. -- Mel Gorman SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>