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Commit 9287f692 authored by Oleg Nesterov's avatar Oleg Nesterov
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percpu-rwsem: introduce percpu_down_read_trylock() 



Add percpu_down_read_trylock(), it will have the user soon.

Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
parent 0e28e01f
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