module: Replace module_ref with atomic_t refcnt
authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Sun, 9 Nov 2014 22:59:29 +0000 (09:29 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Tue, 11 Nov 2014 06:37:46 +0000 (17:07 +1030)
Replace module_ref per-cpu complex reference counter with
an atomic_t simple refcnt. This is for code simplification.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

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