Messages in this thread | | | Date | Fri, 16 Nov 2012 15:22:19 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH -mm] percpu_rw_semaphore-reimplement-to-not-block-the-readers-unnecessari ly.fix |
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On Sun, 11 Nov 2012 19:27:44 +0100 Oleg Nesterov <oleg@redhat.com> wrote:
> lib/percpu-rwsem.c | 35 +++++++++++++++++++++++++++++++++--
y'know, this looks like a great pile of useless bloat for single-CPU machines. Maybe add a CONFIG_SMP=n variant which simply calls the regular rwsem operations?
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