Dave Hansen <dave.hansen@xxxxxxxxx> writes: > On 02/18/2016 08:50 AM, Aneesh Kumar K.V wrote: >> With next generation power processor, we are having a new mmu model >> [1] that require us to maintain a different linux page table format. >> >> Inorder to support both current and future ppc64 systems with a single >> kernel we need to make sure kernel can select between different page >> table format at runtime. With the new MMU (radix MMU) added, we will >> have to dynamically switch between different protection map. Hence >> override vm_get_page_prot instead of using arch_vm_get_page_prot. We >> also drop arch_vm_get_page_prot since only powerpc used it. > > Hi Aneesh, > > I've got some patches I'm hoping to get in to 4.6 that start using > arch_vm_get_page_prot() on x86: > >> http://git.kernel.org/cgit/linux/kernel/git/daveh/x86-pkeys.git/commit/?h=pkeys-v024&id=aa1e61398fb598869981cfe48275cff832945669 > > So I'd prefer that it stay in place. :) Ok. I will update the patch to keep that. -aneesh -- 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>