From: "Ross Biro" <rossb@google.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-mm@kvack.org
Subject: Re: RFC/Patch Make Page Tables Relocatable Part 2/2 Page Table Migration Code
Date: Mon, 7 Jan 2008 15:17:38 -0500 [thread overview]
Message-ID: <d43160c70801071217r514fc45ai4252b907986c26de@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0801071149160.23617@schroedinger.engr.sgi.com>
On Jan 7, 2008 2:49 PM, Christoph Lameter <clameter@sgi.com> wrote:
> Interesting approach. It moves all page table pages even if only a subset
> of the address space was migrated?
That's a side effect of not understanding the page migration code. I
couldn't figure out where to hook into the existing code, so I did it
the easy way and migrated everything. Passing around an address range
or other subset representation and only migrating some of the page
tables would be a trivial addition. But not one that makes any sense
until the page table migration code is integrated into the rest of the
migration code properly. I'm assuming someone else will point out the
proper place to hook into the existing code, and then only migrating a
portion of the page tables will be easy.
Ross
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prev parent reply other threads:[~2008-01-07 20:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-04 16:02 Ross Biro
2008-01-07 19:49 ` Christoph Lameter
2008-01-07 20:17 ` Ross Biro [this message]
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