sysctl: Remove the now unused ctl_table parent field.

While useful at one time for selinux and the sysctl sanity
checks those users no longer use the parent field and we can
safely remove it.

Inspired-by: Lucian Adrian Grijincu <lucian.grijincu@gmil.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 25c7dfe1a7ec..094bc5ccf1e2 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -1016,7 +1016,6 @@ struct ctl_table
         int maxlen;
         umode_t mode;
         struct ctl_table *child;        /* Deprecated */
-        struct ctl_table *parent;       /* Automatically set */
         proc_handler *proc_handler;     /* Callback for text formatting */
         struct ctl_table_poll *poll;
         void *extra1;