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kernel: pid_namespace: simplify sysctls with register_sysctl()

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register_sysctl_paths() is only required if your child (directories)
have entries and pid_namespace does not. So use register_sysctl_init()
instead where we don't care about the return value and use
register_sysctl() where we do.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Jeff Xu <jeffxu@google.com>
Link: https://lore.kernel.org/r/20230302202826.776286-9-mcgrof@kernel.org
This commit is contained in:
Luis Chamberlain
2023-03-02 12:28:23 -08:00
parent 348551ddaf
commit 9e7c73c0b9
2 changed files with 2 additions and 4 deletions
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3
kernel/pid_sysctl.h
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@@ -46,10 +46,9 @@ static struct ctl_table pid_ns_ctl_table_vm[] = {
},
{ }
};
static struct ctl_path vm_path[] = { { .procname = "vm", }, { } };
static inline void register_pid_ns_sysctl_table_vm(void)
{
register_sysctl_paths(vm_path, pid_ns_ctl_table_vm);
register_sysctl("vm", pid_ns_ctl_table_vm);
}
#else
static inline void initialize_memfd_noexec_scope(struct pid_namespace *ns) {}