From mboxrd@z Thu Jan  1 00:00:00 1970
From: William Lee Irwin III <wli@holomorphy.com>
Date: Sun, 12 Dec 2004 21:24:56 +0000
Subject: Re: page fault scalability patch V12 [0/7]: Overview and performance tests
Message-Id: <20041212212456.GB2714@holomorphy.com>
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To: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>, Christoph Lameter <clameter@sgi.com>, Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, linux-mm@kvack.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org

On Sun, Dec 12, 2004 at 09:33:11AM +0000, Hugh Dickins wrote:
> Oh, hold on, isn't handle_mm_fault's pmd without page_table_lock
> similarly racy, in both the 64-on-32 cases, and on architectures
> which have a more complex pmd_t (sparc, m68k, h8300)?  Sigh.

yes.


-- wli