RE: [patch 01/41] cpu_alloc: Increase percpu area size to 128k

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From: Luck, Tony

Subject: RE: [patch 01/41] cpu_alloc: Increase percpu area size to 128k

Date: Monday, June 2, 2008 - 10:58 am

> The per cpu allocator requires more per cpu space and we are already near
quoted text> the limit on IA64. Increase the maximum size of the IA64 per cpu area from
> 64K to 128K.

quoted text> -#define PERCPU_PAGE_SHIFT	16	/* log2() of max. size of per-CPU area */
> +#define PERCPU_PAGE_SHIFT	17	/* log2() of max. size of per-CPU area */

Don't you need some more changes to the alt_dtlb_miss handler in
ivt.S for this to work?  128K is not a supported pagesize on any
processor model.

-Tony
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Messages in current thread:

[patch 01/41] cpu_alloc: Increase percpu area size to 128k, Christoph Lameter, (Thu May 29, 8:56 pm)

RE: [patch 01/41] cpu_alloc: Increase percpu area size to 128k, Luck, Tony, (Mon Jun 2, 10:58 am)

Re: [patch 01/41] cpu_alloc: Increase percpu area size to 128k, Rusty Russell, (Mon Jun 2, 4:48 pm)

RE: [patch 01/41] cpu_alloc: Increase percpu area size to 128k, Christoph Lameter, (Tue Jun 10, 10:22 am)

RE: [patch 01/41] cpu_alloc: Increase percpu area size to 128k, Luck, Tony, (Tue Jun 10, 12:54 pm)


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