From a61c01e8f4a5c80e90de80a7fb147101b20afd85 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 30 Dec 2022 12:36:02 +0300 Subject: [PATCH] proc: mark /proc/cmdline as permanent /proc/cmdline is never removed, mark is as permanent for slightly faster open and close. Link: https://lkml.kernel.org/r/Y66xAveh2yUsP7m9@p183 Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton --- fs/proc/cmdline.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c index 91fe1597af7b..a6f76121955f 100644 --- a/fs/proc/cmdline.c +++ b/fs/proc/cmdline.c @@ -17,6 +17,7 @@ static int __init proc_cmdline_init(void) struct proc_dir_entry *pde; pde = proc_create_single("cmdline", 0, NULL, cmdline_proc_show); + pde_make_permanent(pde); pde->size = saved_command_line_len + 1; return 0; }