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From 281d6228df38fdd331290ccf7753daee6ee7e520 Mon Sep 17 00:00:00 2001
From: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Date: Tue, 21 Jul 2015 19:43:56 +0300
Subject: [PATCH 222/323] pid.h: include atomic.h
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz
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
CONFIG_PID_NS=y
Vanilla gets this via spinlock.h.
Signed-off-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/pid.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/pid.h b/include/linux/pid.h
index fa10acb8d6a4..2f86f84e9fc1 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -3,6 +3,7 @@
#define _LINUX_PID_H
#include <linux/rculist.h>
+#include <linux/atomic.h>
#include <linux/wait.h>
#include <linux/refcount.h>
--
2.43.0
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