From: Andrew Morton <akpm@osdl.org>
To: Hugh Dickins <hugh@veritas.com>
Cc: andrea@suse.de, linux-kernel@vger.kernel.org
Subject: Re: VMA_MERGING_FIXUP and patch
Date: Mon, 22 Mar 2004 11:57:34 -0800 [thread overview]
Message-ID: <20040322115734.064f24f4.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0403221640230.11645-100000@localhost.localdomain>
Hugh Dickins <hugh@veritas.com> wrote:
>
> Hmm, I wonder, is that safe to be calling set_page_dirty
> from inside the page rmap lock? Andrew?
set_page_dirty() takes ->tree_lock and inode_lock. tree_lock surely is OK
and while I cannot think of any deadlocks which could occur with taking
inode_lock inside the rmap lock, it doesn't sound very nice.
It would of course be best if we could avoid adding a new ranking
relationship between these locks.
next prev parent reply other threads:[~2004-03-22 19:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-22 17:05 Hugh Dickins
2004-03-22 17:52 ` Andrea Arcangeli
2004-03-22 19:02 ` Hugh Dickins
2004-03-22 19:58 ` Andrea Arcangeli
2004-03-23 21:44 ` nonlinear swapping w/o pte_chains [Re: VMA_MERGING_FIXUP and patch] Andrea Arcangeli
2004-03-24 2:35 ` Andrea Arcangeli
2004-03-24 4:38 ` Andrea Arcangeli
2004-03-24 10:12 ` Hugh Dickins
2004-03-24 12:18 ` Hugh Dickins
2004-03-24 14:47 ` Andrea Arcangeli
2004-03-24 14:37 ` Andrea Arcangeli
2004-03-24 18:42 ` Andrea Arcangeli
2004-03-22 19:57 ` Andrew Morton [this message]
2004-03-22 20:05 ` VMA_MERGING_FIXUP and patch Andrea Arcangeli
2004-03-22 20:33 ` Andrew Morton
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