From: Andrew Morton <akpm@osdl.org>
To: Andrea Arcangeli <andrea@suse.de>
Cc: hugh@veritas.com, linux-kernel@vger.kernel.org,
mbligh@aracnet.com, wli@holomorphy.com
Subject: Re: 230-objrmap fixes for 2.6.3-mjb2
Date: Fri, 26 Mar 2004 15:25:23 -0800 [thread overview]
Message-ID: <20040326152523.5bfe41db.akpm@osdl.org> (raw)
In-Reply-To: <20040326180235.GD9604@dualathlon.random>
Andrea Arcangeli <andrea@suse.de> wrote:
>
> On Fri, Mar 26, 2004 at 11:57:23AM +0000, Hugh Dickins wrote:
> > Andrea's 2.6.5-rc2-aa4 (anon_vma): based on Martin's, but very
> > likely safe since it does not use find_vma at all in swapout, and
> > unuse_process downs mmap_sem as Martin's used to before.
>
> Hugh, thanks for the review! I also don't see locking bugs in this area
> in my tree and I like not to take the page_table_lock during vma
> manipulations since I don't seem to need it.
It would be really, really nice if we could clean this crap up. mmap_sem
protects the vma tree, i_shared_sem protects the per-address_space vma
lists and page_table_lock protects the pagetables.
Does this sound like something we can achieve?
(Could page_table_lock then become per-vma?)
next prev parent reply other threads:[~2004-03-26 23:23 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-03 7:09 230-objrmap fixes for 2.6.3-mjb2 Andrea Arcangeli
2004-03-03 10:58 ` Andrew Morton
2004-03-03 15:46 ` Martin J. Bligh
2004-03-03 15:58 ` Dave McCracken
2004-03-03 16:08 ` Christoph Hellwig
2004-03-03 19:04 ` Mike Kravetz
2004-03-04 15:41 ` Rik van Riel
2004-03-04 15:47 ` Christoph Hellwig
2004-03-04 16:21 ` Rik van Riel
2004-03-04 17:03 ` Matt Mackall
2004-03-03 16:57 ` Andrea Arcangeli
2004-03-03 17:07 ` Dave McCracken
2004-03-03 18:39 ` Andrea Arcangeli
2004-03-03 18:44 ` Dave McCracken
2004-03-03 18:51 ` Andrea Arcangeli
2004-03-03 19:01 ` Dave McCracken
2004-03-03 21:05 ` Andrea Arcangeli
2004-03-03 21:39 ` Martin J. Bligh
2004-03-03 23:16 ` Andrea Arcangeli
2004-03-03 17:06 ` Andrea Arcangeli
2004-03-03 15:54 ` Martin J. Bligh
2004-03-03 16:14 ` Andrea Arcangeli
2004-03-25 21:45 ` Andrea Arcangeli
2004-03-26 11:57 ` Hugh Dickins
2004-03-26 18:02 ` Andrea Arcangeli
2004-03-26 23:25 ` Andrew Morton [this message]
2004-03-27 14:24 ` Andrea Arcangeli
2004-03-27 15:29 ` Dave McCracken
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