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authorAlexey Dobriyan <adobriyan@gmail.com>2022-12-30 12:36:02 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-02-03 09:50:02 +0300
commita61c01e8f4a5c80e90de80a7fb147101b20afd85 (patch)
treee8f73a2158872c8145f72fa1daa521bafc382652 /fs/proc/cmdline.c
parenta3ea42ff8f3c977ac568f0530d2c13a639858764 (diff)
downloadlinux-a61c01e8f4a5c80e90de80a7fb147101b20afd85.tar.xz
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 <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/proc/cmdline.c')
-rw-r--r--fs/proc/cmdline.c1
1 files changed, 1 insertions, 0 deletions
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;
}