From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Mon, 14 Mar 2005 18:48:46 +0000 Subject: Re: How should I proceed with page table caches? Message-Id: <16949.56462.387478.1594@napali.hpl.hp.com> List-Id: References: <20050314172733.GA11272@lnx-holt.americas.sgi.com> In-Reply-To: <20050314172733.GA11272@lnx-holt.americas.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Mon, 14 Mar 2005 11:27:33 -0600, Robin Holt 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