From: Andrea Arcangeli <aarcange@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Nick Piggin <npiggin@suse.de>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
lsf10-pc@lists.linuxfoundation.org, linux-scsi@vger.kernel.org,
avi@redhat.com
Subject: Re: [Lsf10-pc] Current MM topics for LSF10/MM Summit 8-9 August in Boston
Date: Mon, 21 Jun 2010 16:29:53 +0200 [thread overview]
Message-ID: <20100621142952.GZ5787@random.random> (raw)
In-Reply-To: <20100621141855.GN4689@redhat.com>
On Mon, Jun 21, 2010 at 05:18:56PM +0300, Gleb Natapov wrote:
> Avi did the fix. We discussed using MADV_DONTFORK for that, but calling
> madvise() from kernel deemed to be messy.
Agree that calling madvise looks messy. It's possible to set
VM_DONTCOPY under mmap_sem write mode and it'll work as well.
But surely we can as well keep this quicker fix until the fork vs gup
race is fixed, and back it out later.
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next prev parent reply other threads:[~2010-06-21 14:29 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-16 20:50 Current topics for LSF10/MM Summit 8-9 August in Boston James Bottomley
2010-06-17 6:35 ` Nicholas A. Bellinger
2010-06-17 13:27 ` [Lsf10-pc] " James Bottomley
2010-06-17 16:00 ` Christof Schmitt
2010-06-17 16:07 ` James Bottomley
2010-06-17 16:13 ` Boaz Harrosh
2010-06-17 16:34 ` Vladislav Bolkhovitin
2010-06-17 16:42 ` James Bottomley
2010-06-17 17:11 ` Vladislav Bolkhovitin
2010-06-17 17:37 ` James Bottomley
2010-06-17 17:55 ` Vladislav Bolkhovitin
2010-06-18 11:41 ` Christof Schmitt
2010-06-18 12:18 ` [Lsf10-pc] " J. Bruce Fields
2010-06-21 12:05 ` Current MM " Nick Piggin
2010-06-21 13:16 ` [Lsf10-pc] " Andrea Arcangeli
2010-06-21 13:22 ` Gleb Natapov
2010-06-21 14:09 ` Andrea Arcangeli
2010-06-21 14:18 ` Gleb Natapov
2010-06-21 14:29 ` Andrea Arcangeli [this message]
2010-06-21 14:31 ` Avi Kivity
2010-06-21 14:45 ` Andrea Arcangeli
2010-06-22 3:30 ` KOSAKI Motohiro
2010-06-21 20:00 ` David Rientjes
2010-06-21 20:13 ` James Bottomley
2010-07-01 18:30 ` Larry Woodman
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