Re: How should I proceed with page table caches?

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2005-03-15 05:48:46
>>>>> On Mon, 14 Mar 2005 11:27:33 -0600, Robin Holt <holt@sgi.com> said:

  Robin> Tony and David, Is there any chance I can do another push of
  Robin> the page table cache stuff with the last bits of cleanup and
  Robin> those getting in without addressing the removal of the
  Robin> cpu_idle() call?  Neither solution I was given last week
  Robin> seems particularly well fitted to the problem at hand.  I
  Robin> would like to get this in so I can continue working on the
  Robin> 4-level page table directory I am really trying to address.

>From memory, the last version I saw looked pretty decent to me.

I agree with Ken's concerns, but given that we have historically done
page-table cache shrinking from cpu_idle(), your patch doesn't worsen
the situation (unless I'm missing something), so I think that concern
could be addressed separately.

	--david
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Received on Mon Mar 14 13:54:09 2005

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