Messages in this thread Patch in this message | | | From | Rong Tao <> | Subject | [PATCH] pid: pid_ns_ctl_handler: Remove useless comment | Date | Mon, 11 Sep 2023 22:55:09 +0800 |
| |
From: Rong Tao <rongtao@cestc.cn>
commit 95846ecf9dac("pid: replace pid bitmap implementation with IDR API") removes 'last_pid' element, and use the idr_get_cursor-idr_set_cursor pair to set the value of idr, so useless comments should be removed.
Signed-off-by: Rong Tao <rongtao@cestc.cn> --- kernel/pid_namespace.c | 6 ------ 1 file changed, 6 deletions(-)
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 619972c78774..3028b2218aa4 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -286,12 +286,6 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, if (write && !checkpoint_restore_ns_capable(pid_ns->user_ns)) return -EPERM; - /* - * Writing directly to ns' last_pid field is OK, since this field - * is volatile in a living namespace anyway and a code writing to - * it should synchronize its usage with external means. - */ - next = idr_get_cursor(&pid_ns->idr) - 1; tmp.data = &next; -- 2.41.0
| |