mm: mmu_notifier: make the mmu_notifier srcu static
The variable must be static especially given the variable name. s/RCU/SRCU/ over a few comments. Signed-off-by: NAndrea Arcangeli <aarcange@redhat.com> Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Cc: Sagi Grimberg <sagig@mellanox.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Haggai Eran <haggaie@mellanox.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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