From bf3eac84c42da7017610abc8cfba64921ea92c76 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Tue, 11 Aug 2015 17:26:29 +0200
Subject: [PATCH] percpu-rwsem: kill CONFIG_PERCPU_RWSEM

Remove CONFIG_PERCPU_RWSEM, the next patch adds the unconditional
user of percpu_rw_semaphore.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
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