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[4.1.2-rt1] include/linux/pid.h: fix build error

Message ID 1437497036-26111-1-git-send-email-grygorii.strashko@ti.com
State New
Headers show

Commit Message

Grygorii Strashko July 21, 2015, 4:43 p.m. UTC 
From: Grygorii Strashko <Grygorii.Strashko@linaro.org>

This patch fixes build error:
  CC      kernel/pid_namespace.o
In file included from kernel/pid_namespace.c:11:0:
include/linux/pid.h: In function 'get_pid':
include/linux/pid.h:78:3: error: implicit declaration of function 'atomic_inc' [-Werror=implicit-function-declaration]
   atomic_inc(&pid->count);
   ^
which happens when
 CONFIG_PROVE_LOCKING=n
 CONFIG_DEBUG_SPINLOCK=n
 CONFIG_DEBUG_MUTEXES=n
 CONFIG_DEBUG_LOCK_ALLOC=n

Signed-off-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
---
 include/linux/pid.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/linux/pid.h b/include/linux/pid.h
index 23705a53..2cc64b7 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -2,6 +2,7 @@ 
 #define _LINUX_PID_H
 
 #include <linux/rcupdate.h>
+#include <linux/atomic.h>
 
 enum pid_type
 {