[PATCH] Fixup compile error of try_to_freeze_nowarn

[Li Haifeng]

Subject: [PATCH] Fixup compile error of try_to_freeze_nowarn

If FREEZER is not defined, the error as following will be throw
when compiled.
arch/arm/kernel/signal.c:645: error: implicit declaration of function
'try_to_freeze_nowarn'

Signed-off-by: Haifeng Li <omycle@xxxxxxxxx>
---
 include/linux/freezer.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index a628084..3c0c1fb 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -188,6 +188,7 @@ static inline int freeze_kernel_threads(void) {
return -ENOSYS; }
 static inline void thaw_processes(void) {}
 static inline void thaw_kernel_threads(void) {}

+static inline bool try_to_freeze_nowarn(void) { return false; }
 static inline bool try_to_freeze(void) { return false; }

 static inline void freezer_do_not_count(void) {}
--
1.7.9.5
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