The patch titled
Subject: sysctl: make kernel.ns_last_pid control dependent on CHECKPOINT_RESTORE
has been removed from the -mm tree. Its filename was
sysctl-make-kernelns_last_pid-control-being-checkpoint_restore-dependent.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
Subject: sysctl: make kernel.ns_last_pid control dependent on CHECKPOINT_RESTORE
For those who doesn't need C/R functionality there is no need to control
last pid, ie the pid for the next fork() call.
Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/pid_namespace.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN kernel/pid_namespace.c~sysctl-make-kernelns_last_pid-control-being-checkpoint_restore-dependent kernel/pid_namespace.c
--- a/kernel/pid_namespace.c~sysctl-make-kernelns_last_pid-control-being-checkpoint_restore-dependent
+++ a/kernel/pid_namespace.c
@@ -196,6 +196,7 @@ void zap_pid_ns_processes(struct pid_nam
return;
}
+#ifdef CONFIG_CHECKPOINT_RESTORE
static int pid_ns_ctl_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
@@ -223,8 +224,8 @@ static struct ctl_table pid_ns_ctl_table
},
{ }
};
-
static struct ctl_path kern_path[] = { { .procname = "kernel", }, { } };
+#endif /* CONFIG_CHECKPOINT_RESTORE */
int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd)
{
@@ -258,7 +259,10 @@ int reboot_pid_ns(struct pid_namespace *
static __init int pid_namespaces_init(void)
{
pid_ns_cachep = KMEM_CACHE(pid_namespace, SLAB_PANIC);
+
+#ifdef CONFIG_CHECKPOINT_RESTORE
register_sysctl_paths(kern_path, pid_ns_ctl_table);
+#endif
return 0;
}
_
Patches currently in -mm which might be from gorcunov@xxxxxxxxx are
origin.patch
linux-next.patch
c-r-prctl-drop-vma-flags-test-on-pr_set_mm_-stack-data-assignment.patch
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