linux-kernel - Re: [RFC][PATCH 4/9] ia64 generic PAGE

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Date:	Thu, 31 Aug 2006 10:38:30 -0700
From:	Dave Hansen <haveblue@...ibm.com>
To:	Christoph Lameter <clameter@....com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-ia64@...r.kernel.org
Subject: Re: [RFC][PATCH 4/9] ia64 generic PAGE_SIZE

On Wed, 2006-08-30 at 16:57 -0700, Christoph Lameter wrote:
> On Wed, 30 Aug 2006, Dave Hansen wrote:
> 
> > @@ -64,11 +64,11 @@
> >   * Base-2 logarithm of number of pages to allocate per task structure
> >   * (including register backing store and memory stack):
> >   */
> > -#if defined(CONFIG_IA64_PAGE_SIZE_4KB)
> > +#if defined(CONFIG_PAGE_SIZE_4KB)
> >  # define KERNEL_STACK_SIZE_ORDER		3
> > -#elif defined(CONFIG_IA64_PAGE_SIZE_8KB)
> > +#elif defined(CONFIG_PAGE_SIZE_8KB)
> >  # define KERNEL_STACK_SIZE_ORDER		2
> > -#elif defined(CONFIG_IA64_PAGE_SIZE_16KB)
> > +#elif defined(CONFIG_PAGE_SIZE_16KB)
> >  # define KERNEL_STACK_SIZE_ORDER		1
> >  #else
> >  # define KERNEL_STACK_SIZE_ORDER		0
> 
> Could we replace these lines with
> 
> #define KERNEL_STACK_SIZE_ORDER (max(0, 15 - PAGE_SHIFT)) 

My next series will be to clean up stack size handling.  Do you mind if
it waits until then?

-- Dave

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