rcu: Make rcu_*_data variables static

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rcu_bh_data, rcu_sched_data and rcu_preempt_data are never used outside
kernel/rcu/tree.c and thus can be made static.

Doing so fixes a section mismatch warning reported by clang when
building LLVMLinux with -Wsection, because these variables were declared
in .data..percpu and defined in .data..percpu..shared_aligned since
commit 11bbb235c2 ("rcu: Use DEFINE_PER_CPU_SHARED_ALIGNED for
rcu_data").

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Nicolas Iooss 2015-05-05 21:57:06 +08:00 • committed by Paul E. McKenney

parent 30ff1533b8

commit c92fb05795

2 changed files with 1 additions and 4 deletions

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2

kernel/rcu/tree.c

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3

kernel/rcu/tree.h

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