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Date: Mon, 20 Oct 2014 16:41:45 -0700
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Subject: Re: [RFC][PATCH 4/6] SRCU free VMAs
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
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On Mon, Oct 20, 2014 at 2:56 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> Manage the VMAs with SRCU such that we can do a lockless VMA lookup.

Can you explain why srcu, and not plain regular rcu?

Especially as you then *note* some of the problems srcu can have.
Making it regular rcu would also seem to make it possible to make the
seqlock be just a seqcount, no?

                  Linus
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