The patch titled
Subject: proc: mark /proc/cmdline as permanent
has been added to the -mm mm-nonmm-unstable branch. Its filename is
proc-mark-proc-cmdline-as-permanent.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/proc-mark-proc-cmdline-as-permanent.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: proc: mark /proc/cmdline as permanent
Date: Fri, 30 Dec 2022 12:36:02 +0300
/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 <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/fs/proc/cmdline.c~proc-mark-proc-cmdline-as-permanent
+++ a/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;
}
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
proc-mark-proc-cmdline-as-permanent.patch
