On Thu, Aug 16, 2012 at 08:29:44PM +0200, Andrea Arcangeli wrote: > On Thu, Aug 16, 2012 at 07:43:56PM +0300, Kirill A. Shutemov wrote: > > Hm.. I think with static_key we can avoid cache overhead here. I'll try. > > Could you elaborate on the static_key? Is it some sort of self > modifying code? Runtime code patching. See Documentation/static-keys.txt. We can patch it on sysctl. > > > Thanks, for review. Could you take a look at huge zero page patchset? ;) > > I've noticed that too, nice :). I'm checking some detail on the > wrprotect fault behavior but I'll comment there. > > -- > 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> -- Kirill A. Shutemov -- 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>