From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Thomas Hellström" <thomas@tungstengraphics.com>
Cc: Nick Piggin <npiggin@suse.de>, Andrew Morton <akpm@osdl.org>,
Linux Memory Management <linux-mm@kvack.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [patch 3/3] mm: fault handler to replace nopage and populate
Date: Tue, 10 Oct 2006 17:55:31 +1000 [thread overview]
Message-ID: <1160466932.6177.0.camel@localhost.localdomain> (raw)
In-Reply-To: <452B398C.4030507@tungstengraphics.com>
> Still, even with NOPAGE_REFAULT or the equivalent with the new fault() code,
> in the case we need to take this route, (and it looks like we won't have
> to),
> I guess we still need to restart from find_vma() in the fault()/nopage()
> handler to make sure the VMA is still present. The object mutex need to
> be dropped as well to avoid deadlocks. Sounds complicated.
But as we said, it should be enough to do the flag change with the
object mutex held as long as it's after unmap_mapped_ranges()
Ben.
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next prev parent reply other threads:[~2006-10-10 7:55 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-07 13:05 [rfc] 2.6.19-rc1: vm stuff Nick Piggin
2006-10-07 13:05 ` [patch 1/3] mm: arch_free_page fix Nick Piggin
2006-10-07 13:05 ` [patch 2/3] mm: locks_freed fix Nick Piggin
2006-10-07 13:06 ` [patch 3/3] mm: add arch_alloc_page Nick Piggin
2006-10-07 20:43 ` Andrew Morton
2006-10-08 1:39 ` Nick Piggin
2006-10-11 14:48 ` Martin Schwidefsky
2006-10-11 14:56 ` Nick Piggin
2006-10-11 15:07 ` Martin Schwidefsky
2006-10-07 13:06 ` [patch 1/3] mm: fault vs invalidate/truncate check Nick Piggin
2006-10-07 13:06 ` [patch 2/3] mm: fault vs invalidate/truncate race fix Nick Piggin
2006-10-07 20:43 ` Andrew Morton
2006-10-07 20:44 ` Andrew Morton
2006-10-08 2:05 ` Nick Piggin
2006-10-07 13:06 ` [patch 3/3] mm: fault handler to replace nopage and populate Nick Piggin
2006-10-07 15:14 ` Jeff Garzik
2006-10-08 2:17 ` Nick Piggin
2006-10-07 20:44 ` Andrew Morton
2006-10-08 2:12 ` Nick Piggin
2006-10-08 23:46 ` Benjamin Herrenschmidt
2006-10-09 10:26 ` Nick Piggin
2006-10-09 10:50 ` Benjamin Herrenschmidt
2006-10-09 11:00 ` Nick Piggin
2006-10-09 11:10 ` Benjamin Herrenschmidt
2006-10-09 11:19 ` Nick Piggin
2006-10-09 11:32 ` Benjamin Herrenschmidt
2006-10-09 11:45 ` Nick Piggin
2006-10-09 11:49 ` Benjamin Herrenschmidt
2006-10-09 11:58 ` Nick Piggin
2006-10-09 12:07 ` Benjamin Herrenschmidt
2006-10-09 12:14 ` Nick Piggin
2006-10-09 13:38 ` Thomas Hellstrom
2006-10-09 13:52 ` Nick Piggin
2006-10-09 20:50 ` Benjamin Herrenschmidt
2006-10-10 6:11 ` Thomas Hellström
2006-10-10 7:55 ` Benjamin Herrenschmidt [this message]
2006-10-10 8:39 ` Thomas Hellstrom
2006-10-09 20:45 ` Benjamin Herrenschmidt
2006-10-09 12:09 ` Nick Piggin
2006-10-09 12:11 ` Benjamin Herrenschmidt
2006-10-10 12:10 ` Christoph Hellwig
2006-10-10 12:13 ` Nick Piggin
2006-10-10 17:52 ` Andrew Morton
2006-10-11 0:43 ` SPAM: " Nick Piggin
[not found] ` <5c77e7070610120456t1bdaa95cre611080c9c953582@mail.gmail.com>
2006-10-12 12:07 ` Nick Piggin
2006-10-14 13:28 ` Ingo Oeser
2006-10-15 7:54 ` Nick Piggin
2006-10-24 21:31 ` Dave Airlie
2006-10-26 11:09 ` Nick Piggin
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