On Tuesday 02 October 2007 07:01, Christoph Lameter wrote: > On Sat, 29 Sep 2007, Peter Zijlstra wrote: > > On Fri, 2007-09-28 at 11:20 -0700, Christoph Lameter wrote: > > > Really? That means we can no longer even allocate stacks for forking. > > > > I think I'm running with 4k stacks... > > 4k stacks will never fly on an SGI x86_64 NUMA configuration given the > additional data that may be kept on the stack. We are currently > considering to go from 8k to 16k (or even 32k) to make things work. So > having the ability to put the stacks in vmalloc space may be something to > look at. i386 and x86-64 already used 8K stacks for years and they have never really been much problem before. They only started failing when contiguous memory is getting used up by other things, _even with_ those anti-frag patches in there. Bottom line is that you do not use higher order allocations when you do not need them. - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
