On 08/25, Hugh Dickins wrote: > > On Mon, 25 Aug 2014, Oleg Nesterov wrote: > > On 08/25, Hugh Dickins wrote: > > > > > And I think I'll let Linus's guard page justify your 4 (to match comment) > > > in place of the original's mysterious 5. > > > > Ah, thanks again. Yes, if we want to guarantee 4 pages we should check 5. > > > > Although obviously this doesn't explain the original's 5, this was > > written before check_stack_guard_page(). > > I meant, you changed the coded 5 to 4, to match the comment above it; > and if I were insistent on maximizing back-compatible-safety, I would > say that 4 should go back to 5;
I already did this ;) I'll send v2 patch in a minute. > But I didn't understand your "to guarantee 4 we should check 5". I just tried to say that I fully agree with your point. I didn't dare to preserve your acks although the patch is almost the same, I'll appreciate it if you can ack v2 too. Oleg. -- 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/