* [PATCH] proc: mark /proc/cmdline as permanent
@ 2022-12-30 9:36 Alexey Dobriyan
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From: Alexey Dobriyan @ 2022-12-30 9:36 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel
/proc/cmdline is never removed, mark is as permanent for slightly faster
open and close.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
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;
}
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2022-12-30 9:36 [PATCH] proc: mark /proc/cmdline as permanent Alexey Dobriyan
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