On Wed, Jun 25, 2014 at 01:42:35PM -0700, Andrew Morton wrote: > On Wed, 25 Jun 2014 16:40:18 +0100 Steve Capper <steve.capper@xxxxxxxxxx> wrote: > > > This series implements general forms of get_user_pages_fast and > > __get_user_pages_fast and activates them for arm and arm64. > > Why not x86? > > I think I might have already asked this. If so, it's your fault for > not updating the changelog ;) Because x86 doesn't do RCU freed page tables :-) Also because i386 PAE has magic (although one might expect ARM PAE -- or whatever they called it -- to need similar magic). -- 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>