Re: [RFC][PATCH 4/9] ia64 generic PAGE_SIZE

Christoph Lameter
2006-08-30T23:57:16Z

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))

?