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From: William Lee Irwin III <wli@holomorphy.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Linux Memory Management <linux-mm@kvack.org>
Subject: Re: [PATCH 0/7] abstract pagetable locking and pte updates
Date: Fri, 29 Oct 2004 00:46:07 -0700	[thread overview]
Message-ID: <20041029074607.GA12934@holomorphy.com> (raw)
In-Reply-To: <4181EF2D.5000407@yahoo.com.au>

On Fri, Oct 29, 2004 at 05:20:13PM +1000, Nick Piggin wrote:
> Known issues: Hugepages, nonlinear pages haven't been looked at
> and are quite surely broken. TLB flushing (gather/finish) runs
> without the page table lock, which will break at least SPARC64.
> Additional atomic ops in copy_page_range slow down lmbench fork
> by 7%.

This raises the rather serious question of what you actually did
besides rearranging Lameter's code. It had all the same problems;
resolving them is a prerequisite to going anywhere with all this.


-- wli
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  parent reply	other threads:[~2004-10-29  7:46 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-29  7:20 Nick Piggin
2004-10-29  7:20 ` [PATCH 1/7] " Nick Piggin
2004-10-29  7:21   ` [PATCH 2/7] " Nick Piggin
2004-10-29  7:21     ` [PATCH 3/7] " Nick Piggin
2004-10-29  7:21       ` [PATCH 4/7] " Nick Piggin
2004-10-29  7:22         ` [PATCH 5/7] " Nick Piggin
2004-10-29  7:23           ` [PATCH 6/7] " Nick Piggin
2004-10-29  7:23             ` [PATCH 7/7] " Nick Piggin
2004-10-29  7:46 ` William Lee Irwin III [this message]
2004-11-02  0:15   ` [PATCH 0/7] " Christoph Lameter
2004-11-02  0:54     ` William Lee Irwin III
2004-11-02  1:34       ` Nick Piggin
2004-11-02  1:55         ` William Lee Irwin III
2004-11-02  2:38           ` Nick Piggin
2004-11-02  6:57             ` William Lee Irwin III
2004-11-02 17:55         ` Christoph Lameter
2004-10-29 11:45 ` Nick Piggin
2004-10-29 20:52   ` William Lee Irwin III
2004-10-30  2:46     ` Nick Piggin
2004-11-02  0:19       ` Christoph Lameter

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