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

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Message-ID: <Pine.LNX.4.64.0608301652270.5789@schroedinger.engr.sgi.com>
Date:	Wed, 30 Aug 2006 16:57:16 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Dave Hansen <haveblue@...ibm.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, 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)) 

?
-
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