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arm: Don't use create_proc_read_entry()

Don't use create_proc_read_entry() as that is deprecated, but rather use
proc_create_data() and seq_file instead.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Russell King <linux@arm.linux.org.uk>
cc: Kevin Hilman <khilman@deeprootsystems.com>
cc: Tony Lindgren <tony@atomide.com>
cc: linux-arm-kernel@lists.infradead.org
cc: linux-omap@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
master
David Howells 9 years ago
committed by Al Viro
parent
commit
526c59784c
  1. 42
      arch/arm/kernel/swp_emulate.c

42
arch/arm/kernel/swp_emulate.c

@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/sched.h>
#include <linux/syscalls.h>
#include <linux/perf_event.h>
@ -79,27 +80,27 @@ static unsigned long abtcounter;
static pid_t previous_pid;
#ifdef CONFIG_PROC_FS
static int proc_read_status(char *page, char **start, off_t off, int count,
int *eof, void *data)
static int proc_status_show(struct seq_file *m, void *v)
{
char *p = page;
int len;
p += sprintf(p, "Emulated SWP:\t\t%lu\n", swpcounter);
p += sprintf(p, "Emulated SWPB:\t\t%lu\n", swpbcounter);
p += sprintf(p, "Aborted SWP{B}:\t\t%lu\n", abtcounter);
seq_printf(m, "Emulated SWP:\t\t%lu\n", swpcounter);
seq_printf(m, "Emulated SWPB:\t\t%lu\n", swpbcounter);
seq_printf(m, "Aborted SWP{B}:\t\t%lu\n", abtcounter);
if (previous_pid != 0)
p += sprintf(p, "Last process:\t\t%d\n", previous_pid);
len = (p - page) - off;
if (len < 0)
len = 0;
*eof = (len <= count) ? 1 : 0;
*start = page + off;
seq_printf(m, "Last process:\t\t%d\n", previous_pid);
return 0;
}
return len;
static int proc_status_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_status_show, PDE_DATA(inode));
}
static const struct file_operations proc_status_fops = {
.open = proc_status_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
#endif
/*
@ -266,12 +267,7 @@ static struct undef_hook swp_hook = {
static int __init swp_emulation_init(void)
{
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *res;
res = create_proc_read_entry("cpu/swp_emulation", S_IRUGO, NULL,
proc_read_status, NULL);
if (!res)
if (!proc_create("cpu/swp_emulation", S_IRUGO, NULL, &proc_status_fops))
return -ENOMEM;
#endif /* CONFIG_PROC_FS */

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