From: Paul Cameron Davies <pauld@cse.unsw.EDU.AU>
To: Christoph Lameter <clameter@sgi.com>
Cc: Paul Davies <pauld@gelato.unsw.edu.au>, linux-mm@kvack.org
Subject: Re: [PATCH 5/29] Start calling simple PTI functions
Date: Thu, 18 Jan 2007 17:43:13 +1100 (EST) [thread overview]
Message-ID: <Pine.LNX.4.64.0701181729530.12779@weill.orchestra.cse.unsw.EDU.AU> (raw)
In-Reply-To: <Pine.LNX.4.64.0701161103140.6637@schroedinger.engr.sgi.com>
On Tue, 16 Jan 2007, Christoph Lameter wrote:
> On Sat, 13 Jan 2007, Paul Davies wrote:
>
>> @@ -308,6 +309,7 @@
>> } while (0)
>>
>> struct mm_struct {
>> + pt_t page_table; /* Page table */
>> struct vm_area_struct * mmap; /* list of VMAs */
>
> Why are you changing the location of the page table pointer in mm struct?
This was part of an ugly and temporary hack to get our alternative page
table (a guarded page table) going. I wrote an ugly hack to get the GPT
lookup happening on my machine, then passed it on to a PhD student
to deal with it (it still requires further work). The lookup was
dependent upon the position in the struct.
It will be moved back next time I push the patches out.
Cheers
Paul
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next prev parent reply other threads:[~2007-01-18 6:43 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-13 2:45 [PATCH 0/29] Page Table Interface Explanation Paul Davies
2007-01-13 2:45 ` [PATCH 1/29] Abstract current page table implementation Paul Davies
2007-01-13 2:45 ` [PATCH 2/29] " Paul Davies
2007-01-13 2:45 ` [PATCH 3/29] " Paul Davies
2007-01-16 18:55 ` Christoph Lameter
2007-01-13 2:46 ` [PATCH 4/29] Introduce Page Table Interface (PTI) Paul Davies
2007-01-16 19:02 ` Christoph Lameter
2007-01-13 2:46 ` [PATCH 5/29] Start calling simple PTI functions Paul Davies
2007-01-16 19:04 ` Christoph Lameter
2007-01-18 6:43 ` Paul Cameron Davies [this message]
2007-01-13 2:46 ` [PATCH 6/29] Tweak IA64 arch dependent files to work with PTI Paul Davies
2007-01-16 19:05 ` Christoph Lameter
2007-01-13 2:46 ` [PATCH 7/29] Continue calling simple PTI functions Paul Davies
2007-01-16 19:08 ` Christoph Lameter
2007-01-13 2:46 ` [PATCH 8/29] Clean up page fault handers Paul Davies
2007-01-13 2:46 ` [PATCH 9/29] Clean up page fault handlers Paul Davies
2007-01-13 2:46 ` [PATCH 10/29] Call simple PTI functions Paul Davies
2007-01-13 2:46 ` [PATCH 11/29] Call simple PTI functions cont Paul Davies
2007-01-13 2:46 ` [PATCH 12/29] Abstract page table tear down Paul Davies
2007-01-13 2:46 ` [PATCH 13/29] Finish abstracting " Paul Davies
2007-01-13 2:46 ` [PATCH 14/29] Abstract copy page range iterator Paul Davies
2007-01-13 2:46 ` [PATCH 15/29] Finish abstracting copy page range Paul Davies
2007-01-13 2:47 ` [PATCH 16/29] Abstract unmap page range iterator Paul Davies
2007-01-13 2:47 ` [PATCH 17/29] Finish abstracting unmap page range Paul Davies
2007-01-13 2:47 ` [PATCH 18/29] Abstract zeromap " Paul Davies
2007-01-13 2:47 ` [PATCH 19/29] Abstract remap pfn range Paul Davies
2007-01-13 2:47 ` [PATCH 20/29] Abstract change protection iterator Paul Davies
2007-01-13 2:47 ` [PATCH 21/29] Abstract unmap vm area Paul Davies
2007-01-13 2:47 ` [PATCH 22/29] Abstract map " Paul Davies
2007-01-13 2:47 ` [PATCH 23/29] Abstract unuse_vma Paul Davies
2007-01-13 2:47 ` [PATCH 24/29] Abstract smaps iterator Paul Davies
2007-01-13 2:47 ` [PATCH 25/29] Abstact mempolicy iterator Paul Davies
2007-01-13 2:47 ` [PATCH 26/29] Abstract mempolicy iterator cont Paul Davies
2007-01-13 2:48 ` [PATCH 27/29] Abstract implementation dependent code for mremap Paul Davies
2007-01-13 2:48 ` [PATCH 28/29] Abstract ioremap iterator Paul Davies
2007-01-13 2:48 ` [PATCH 29/29] Tweak i386 arch dependent files to work with PTI Paul Davies
2007-01-13 2:48 ` [PATCH 1/5] Introduce IA64 page table interface Paul Davies
2007-01-13 2:48 ` [PATCH 2/5] Abstract pgtable Paul Davies
2007-01-13 2:48 ` [PATCH 3/5] Abstact pgtable continued Paul Davies
2007-01-13 2:48 ` [PATCH 4/5] Abstract assembler lookup Paul Davies
2007-01-13 2:48 ` [PATCH 5/5] Abstract pgalloc Paul Davies
2007-01-13 2:48 ` [PATCH 1/12] Alternate page table implementation (GPT) Paul Davies
2007-01-13 2:48 ` [PATCH 2/12] Alternate page table implementation cont Paul Davies
2007-01-13 2:48 ` [PATCH 3/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 4/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 5/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 6/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 7/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 8/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 9/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 10/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 11/12] " Paul Davies
2007-01-13 2:49 ` [PATCH 12/12] " Paul Davies
2007-01-13 19:29 ` [PATCH 0/29] Page Table Interface Explanation Peter Zijlstra
2007-01-14 10:06 ` Paul Cameron Davies
2007-01-16 18:49 ` Christoph Lameter
2007-01-18 6:22 ` Paul Cameron Davies
2007-01-16 18:51 ` Christoph Lameter
2007-01-18 6:53 ` Paul Cameron Davies
2007-01-16 19:14 ` Christoph Lameter
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