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SubjectRe: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86

* Christoph Lameter <> wrote:

> On Fri, 21 Mar 2008, Ingo Molnar wrote:
> > another thing is that this patchset includes KERNEL_STACK_SIZE_ORDER
> > which has been NACK-ed before on x86 by several people and i'm
> > nacking this "configurable stack size" aspect of it again.
> Huh? Nothing of that nature is in this patchset.

your patch indeed does not introduce it here, but
KERNEL_STACK_SIZE_ORDER shows up in the x86 portion of your patch and
you refer to multi-order stack allocations in your 0/14 mail :-)

> -#define alloc_task_struct() ((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
> -#define free_task_struct(tsk) free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
> +#define alloc_task_struct() ((struct task_struct *)__alloc_vcompound( \


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