Re: [14/18] Configure stack size

2007-10-04 Thread Christoph Lameter
On Wed, 3 Oct 2007, David Miller wrote: > > there is still code that does DMA from and to the stack > > how would this work with virtual allocated stack? > > That's a bug and must be fixed. > > There honestly shouldn't be that many examples around. > > FWIW, there are platforms using a virt

Re: [14/18] Configure stack size

2007-10-04 Thread Christoph Lameter
On Thu, 4 Oct 2007, Andi Kleen wrote: > On Thursday 04 October 2007 05:59, Christoph Lameter wrote: > > Make the stack size configurable now that we can fallback to vmalloc if > > necessary. SGI NUMA configurations may need more stack because cpumasks > > and nodemasks are at times kept on the sta

Re: [14/18] Configure stack size

2007-10-04 Thread Andi Kleen
On Thursday 04 October 2007 05:59, Christoph Lameter wrote: > Make the stack size configurable now that we can fallback to vmalloc if > necessary. SGI NUMA configurations may need more stack because cpumasks > and nodemasks are at times kept on the stack. With the coming 16k cpu > support Hmm,

Re: [14/18] Configure stack size

2007-10-03 Thread David Miller
From: Arjan van de Ven <[EMAIL PROTECTED]> Date: Wed, 3 Oct 2007 21:36:31 -0700 > there is still code that does DMA from and to the stack > how would this work with virtual allocated stack? That's a bug and must be fixed. There honestly shouldn't be that many examples around. FWIW, there ar

Re: [14/18] Configure stack size

2007-10-03 Thread Arjan van de Ven
On Wed, 03 Oct 2007 20:59:49 -0700 Christoph Lameter <[EMAIL PROTECTED]> wrote: > Make the stack size configurable now that we can fallback to vmalloc > if necessary. SGI NUMA configurations may need more stack because > cpumasks and nodemasks are at times kept on the stack. With the > coming 16k

[14/18] Configure stack size

2007-10-03 Thread Christoph Lameter
Make the stack size configurable now that we can fallback to vmalloc if necessary. SGI NUMA configurations may need more stack because cpumasks and nodemasks are at times kept on the stack. With the coming 16k cpu support this is going to be 2k just for the mask. This patch allows to run with 16k o