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Commit 3bd080e4 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

ipc: delete "nr_ipc_ns" 

Write-only variable.

Link: http://lkml.kernel.org/r/20160708214356.GA6785@p183.telecom.by


Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a4691dea

include/linux/ipc_namespace.h

+0 −2
Original line number Original line Diff line number Diff line
@@ -63,8 +63,6 @@ struct ipc_namespace { 
};

};





extern struct ipc_namespace init_ipc_ns;

extern struct ipc_namespace init_ipc_ns;

extern atomic_t nr_ipc_ns;



extern spinlock_t mq_lock;

extern spinlock_t mq_lock;





#ifdef CONFIG_SYSVIPC

#ifdef CONFIG_SYSVIPC

ipc/msgutil.c

+0 −2
Original line number Original line Diff line number Diff line
@@ -37,8 +37,6 @@ struct ipc_namespace init_ipc_ns = { 
#endif

#endif

};

};





atomic_t nr_ipc_ns = ATOMIC_INIT(1);



struct msg_msgseg {

struct msg_msgseg {

	struct msg_msgseg *next;

	struct msg_msgseg *next;

	/* the next part of the message follows immediately */

	/* the next part of the message follows immediately */

ipc/namespace.c

+0 −2
Original line number Original line Diff line number Diff line
@@ -43,7 +43,6 @@ static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns, 
		kfree(ns);

		kfree(ns);

		return ERR_PTR(err);

		return ERR_PTR(err);

	}

	}

	atomic_inc(&nr_ipc_ns);





	sem_init_ns(ns);

	sem_init_ns(ns);

	msg_init_ns(ns);

	msg_init_ns(ns);
@@ -96,7 +95,6 @@ static void free_ipc_ns(struct ipc_namespace *ns) 
	sem_exit_ns(ns);

	sem_exit_ns(ns);

	msg_exit_ns(ns);

	msg_exit_ns(ns);

	shm_exit_ns(ns);

	shm_exit_ns(ns);

	atomic_dec(&nr_ipc_ns);





	put_user_ns(ns->user_ns);

	put_user_ns(ns->user_ns);

	ns_free_inum(&ns->ns);

	ns_free_inum(&ns->ns);