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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2016-08-02 23:07:32 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-03 01:35:44 +0200 |
| commit | 3bd080e4d8f2351ee3e143f0ec9307cc95ae6639 (patch) | |
| tree | 6a98d4479c9d51c72230beeede5b0382fe5973f5 | |
| parent | kcov: allow more fine-grained coverage instrumentation (diff) | |
| download | linux-3bd080e4d8f2351ee3e143f0ec9307cc95ae6639.tar.xz linux-3bd080e4d8f2351ee3e143f0ec9307cc95ae6639.zip | |
ipc: delete "nr_ipc_ns"
Write-only variable.
Link: http://lkml.kernel.org/r/20160708214356.GA6785@p183.telecom.by
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/ipc_namespace.h | 2 | ||||
| -rw-r--r-- | ipc/msgutil.c | 2 | ||||
| -rw-r--r-- | ipc/namespace.c | 2 |
3 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index 1eee6bcfcf76..d10e54f03c09 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -63,8 +63,6 @@ struct ipc_namespace { }; extern struct ipc_namespace init_ipc_ns; -extern atomic_t nr_ipc_ns; - extern spinlock_t mq_lock; #ifdef CONFIG_SYSVIPC diff --git a/ipc/msgutil.c b/ipc/msgutil.c index ed81aafd2392..a521999de4f1 100644 --- a/ipc/msgutil.c +++ b/ipc/msgutil.c @@ -37,8 +37,6 @@ struct ipc_namespace init_ipc_ns = { #endif }; -atomic_t nr_ipc_ns = ATOMIC_INIT(1); - struct msg_msgseg { struct msg_msgseg *next; /* the next part of the message follows immediately */ diff --git a/ipc/namespace.c b/ipc/namespace.c index 04cb07eb81f1..d87e6baa1323 100644 --- a/ipc/namespace.c +++ b/ipc/namespace.c @@ -43,7 +43,6 @@ static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns, kfree(ns); return ERR_PTR(err); } - atomic_inc(&nr_ipc_ns); sem_init_ns(ns); msg_init_ns(ns); @@ -96,7 +95,6 @@ static void free_ipc_ns(struct ipc_namespace *ns) sem_exit_ns(ns); msg_exit_ns(ns); shm_exit_ns(ns); - atomic_dec(&nr_ipc_ns); put_user_ns(ns->user_ns); ns_free_inum(&ns->ns); |