From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: Christoph Lameter <clameter@sgi.com>,
linux-mm@kvack.org, Lee Schermerhorn <lee.schermerhorn@hp.com>
Subject: Re: 2.6.18-rc3-mm2: rcu radix tree patches break page migration
Date: Wed, 09 Aug 2006 11:39:28 +1000 [thread overview]
Message-ID: <44D93CD0.5070905@yahoo.com.au> (raw)
In-Reply-To: <20060808102511.64dcf5dc.akpm@osdl.org>
Andrew Morton wrote:
>On Tue, 8 Aug 2006 09:19:08 -0700 (PDT)
>Christoph Lameter <clameter@sgi.com> wrote:
>
>
>>The radix tree rcu code runs into trouble when we use radix_tree_lookup
>>slot and use the slot to update the page reference.
>>
>
>"trouble"? Do we know what it is? What are the implications of this for
>the rcu radix-tree patches?
>
I must have broken lookup_slot (luckily regular pagecache ops are not
affected). I'm looking at it...
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prev parent reply other threads:[~2006-08-09 1:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-07 23:10 2.6.18-rc3-mm2: rcu radix tree patches break page migration Christoph Lameter
2006-08-08 1:24 ` Nick Piggin
2006-08-08 3:42 ` Christoph Lameter
2006-08-08 5:45 ` Nick Piggin
2006-08-08 14:53 ` Lee Schermerhorn
2006-08-08 16:19 ` Christoph Lameter
2006-08-08 17:25 ` Andrew Morton
2006-08-08 17:52 ` Christoph Lameter
2006-08-09 1:39 ` Nick Piggin [this message]
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