The patch titled
Subject: ipc: delete "nr_ipc_ns"
has been removed from the -mm tree. Its filename was
ipc-delete-nr_ipc_ns.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: ipc: delete "nr_ipc_ns"
Write-only variable.
Link: http://lkml.kernel.org/r/20160708214356.GA6785@xxxxxxxxxxxxxxx
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/ipc_namespace.h | 2 --
ipc/msgutil.c | 2 --
ipc/namespace.c | 2 --
3 files changed, 6 deletions(-)
diff -puN include/linux/ipc_namespace.h~ipc-delete-nr_ipc_ns include/linux/ipc_namespace.h
--- a/include/linux/ipc_namespace.h~ipc-delete-nr_ipc_ns
+++ a/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 -puN ipc/msgutil.c~ipc-delete-nr_ipc_ns ipc/msgutil.c
--- a/ipc/msgutil.c~ipc-delete-nr_ipc_ns
+++ a/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 -puN ipc/namespace.c~ipc-delete-nr_ipc_ns ipc/namespace.c
--- a/ipc/namespace.c~ipc-delete-nr_ipc_ns
+++ a/ipc/namespace.c
@@ -43,7 +43,6 @@ static struct ipc_namespace *create_ipc_
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_names
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);
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
kbuild-simpler-generation-of-assembly-constants.patch
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