mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-12-28 16:56:26 +00:00
ef1d61781b
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 <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
28 lines
599 B
C
28 lines
599 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/fs.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/seq_file.h>
|
|
#include <linux/utsname.h>
|
|
#include "internal.h"
|
|
|
|
static int version_proc_show(struct seq_file *m, void *v)
|
|
{
|
|
seq_printf(m, linux_proc_banner,
|
|
utsname()->sysname,
|
|
utsname()->release,
|
|
utsname()->version);
|
|
return 0;
|
|
}
|
|
|
|
static int __init proc_version_init(void)
|
|
{
|
|
struct proc_dir_entry *pde;
|
|
|
|
pde = proc_create_single("version", 0, NULL, version_proc_show);
|
|
pde_make_permanent(pde);
|
|
return 0;
|
|
}
|
|
fs_initcall(proc_version_init);
|