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From: Christoph Lameter <clameter@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH 4/4] vmm: Use a static memory map
Date: Fri, 13 Oct 2006 01:13:53 +0000	[thread overview]
Message-ID: <Pine.LNX.4.64.0610121812320.23030@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20061012191828.21498.95831.sendpatchset@schroedinger.engr.sgi.com>

On Fri, 13 Oct 2006, KAMEZAWA Hiroyuki wrote:

> 
> > +#define VIRTUAL_MEM_MAP_SIZE   (1UL << (IA64_MAX_PHYS_BITS - PAGE_SHIFT +\
> > +					STRUCT_PAGE_ORDER))
> 
> I'm not sure but Is this size of virtual-memory able to be mapped by any configs ?

I was going for the maximum physical memory supported.

> > +#define VMALLOC_START  (VIRTUAL_MEM_MAP + VIRTUAL_MEM_MAP_SIZE)
> > +#define VMALLOC_END    (RGN_BASE(RGN_GATE) + (1UL << (4*PAGE_SHIFT - 9)))
> > +
> And, (1UL << (4*PAGE_SHIFT-9)) - VIRTUAL_MEM_MAP_SIZE is real VMALLOC size. 
> I think.

Correct.



      parent reply	other threads:[~2006-10-13  1:13 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-12 19:18 [PATCH 4/4] vmm: Use a static memory map Christoph Lameter
2006-10-12 21:40 ` Chen, Kenneth W
2006-10-12 22:18 ` Luck, Tony
2006-10-13  0:26 ` Christoph Lameter
2006-10-13  0:29 ` Christoph Lameter
2006-10-13  0:56 ` KAMEZAWA Hiroyuki
2006-10-13  1:13 ` Christoph Lameter [this message]

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