Re: [RFC][PATCH 4/6] SRCU free VMAs

[Linus Torvalds]

On Mon, Oct 20, 2014 at 2:56 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> 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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