2022-12-30 09:55:44

by Alexey Dobriyan

[permalink] [raw]
Subject: [PATCH] proc: mark /proc/cmdline as permanent

/proc/cmdline is never removed, mark is as permanent for slightly faster
open and close.

Signed-off-by: Alexey Dobriyan <[email protected]>
---

fs/proc/cmdline.c | 1 +
1 file changed, 1 insertion(+)

--- 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;
}