From ef1d61781bc6708ccc4a21262cc80a7dad952e04 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 20 Sep 2022 20:35:23 +0300 Subject: proc: mark more files as permanent Mark /proc/devices /proc/kpagecount /proc/kpageflags /proc/kpagecgroup /proc/loadavg /proc/meminfo /proc/softirqs /proc/uptime /proc/version as permanent /proc entries, saving alloc/free and some list/spinlock ops per use. These files are never removed by the kernel so it is OK to mark them. Link: https://lkml.kernel.org/r/Yyn527DzDMa+r0Yj@localhost.localdomain Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton --- fs/proc/meminfo.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'fs/proc/meminfo.c') diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index 6e89f0e2fd20..70e5294052d5 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -162,7 +162,10 @@ static int meminfo_proc_show(struct seq_file *m, void *v) static int __init proc_meminfo_init(void) { - proc_create_single("meminfo", 0, NULL, meminfo_proc_show); + struct proc_dir_entry *pde; + + pde = proc_create_single("meminfo", 0, NULL, meminfo_proc_show); + pde_make_permanent(pde); return 0; } fs_initcall(proc_meminfo_init); -- cgit