From: Andrea Arcangeli <aarcange@redhat.com>
To: Robin Holt <holt@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jack Steiner <steiner@sgi.com>,
linux-mm@kvack.org
Subject: Re: [RFP-V2 0/3] Make mmu_notifier_invalidate_range_start able to sleep.
Date: Tue, 2 Feb 2010 21:27:16 +0100 [thread overview]
Message-ID: <20100202202716.GS4135@random.random> (raw)
In-Reply-To: <20100202173158.GO6616@sgi.com>
On Tue, Feb 02, 2010 at 11:31:58AM -0600, Robin Holt wrote:
> Not better. Still need to grab the mmap_sem. How about this?
I don't think you need to grab mmap_sem, previous patch was ok if we
agree with the tradeoff that you still can't schedule in
->invalidate_page and it's unclear why that is ok. After you apply
transparent hugepage support, it'll break and I'll have to deal with
it somehow.
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next prev parent reply other threads:[~2010-02-02 20:27 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20100202040145.555474000@alcatraz.americas.sgi.com>
2010-02-02 4:01 ` [RFP-V2 1/3] Have mmu_notifiers use SRCU so they may safely schedule Robin Holt
2010-02-02 4:01 ` [RFP-V2 2/3] Fix unmap_vma() bug related to mmu_notifiers Robin Holt
2010-02-02 4:01 ` [RFP-V2 3/3] Make mmu_notifier_invalidate_range_start able to sleep Robin Holt
2010-02-02 8:09 ` [RFP-V2 0/3] " Christoph Hellwig
2010-02-02 12:59 ` Andrea Arcangeli
2010-02-02 13:13 ` Andrea Arcangeli
2010-02-02 13:29 ` Robin Holt
2010-02-02 13:40 ` Andrea Arcangeli
2010-02-02 13:51 ` Robin Holt
2010-02-02 14:10 ` Andrea Arcangeli
2010-02-02 14:21 ` Robin Holt
2010-02-02 14:59 ` Andrea Arcangeli
2010-02-02 15:21 ` Robin Holt
2010-02-02 16:01 ` Andrea Arcangeli
2010-02-02 16:39 ` Robin Holt
2010-02-02 16:52 ` Andrea Arcangeli
2010-02-02 16:59 ` Robin Holt
2010-02-02 17:31 ` Robin Holt
2010-02-02 20:27 ` Andrea Arcangeli [this message]
2010-02-02 20:17 ` Andrea Arcangeli
2010-02-03 0:48 ` Robin Holt
2010-02-03 17:14 ` Andrea Arcangeli
2010-02-03 17:18 ` Andrea Arcangeli
2010-02-03 19:54 ` Robin Holt
2010-02-02 13:23 ` Robin Holt
2010-02-02 13:35 ` Robin Holt
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