proc: move /proc/slabinfo boilerplate to mm/slub.c, mm/slab.c

Lose dummy ->write hook in case of SLUB, it's possible now.

Signed-off-by: Alexey Dobriyan <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
This commit is contained in:
Alexey Dobriyan 2008-10-06 02:42:17 +04:00
commit 7b3c3a50a3
4 changed files with 35 additions and 32 deletions

View file

@ -4259,7 +4259,7 @@ static int s_show(struct seq_file *m, void *p)
* + further values on SMP and with statistics enabled
*/
const struct seq_operations slabinfo_op = {
static const struct seq_operations slabinfo_op = {
.start = s_start,
.next = s_next,
.stop = s_stop,
@ -4316,6 +4316,19 @@ ssize_t slabinfo_write(struct file *file, const char __user * buffer,
return res;
}
static int slabinfo_open(struct inode *inode, struct file *file)
{
return seq_open(file, &slabinfo_op);
}
static const struct file_operations proc_slabinfo_operations = {
.open = slabinfo_open,
.read = seq_read,
.write = slabinfo_write,
.llseek = seq_lseek,
.release = seq_release,
};
#ifdef CONFIG_DEBUG_SLAB_LEAK
static void *leaks_start(struct seq_file *m, loff_t *pos)
@ -4478,6 +4491,7 @@ static const struct file_operations proc_slabstats_operations = {
static int __init slab_proc_init(void)
{
proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
#ifdef CONFIG_DEBUG_SLAB_LEAK
proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
#endif

View file

@ -14,6 +14,7 @@
#include <linux/interrupt.h>
#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/cpu.h>
#include <linux/cpuset.h>
@ -4417,14 +4418,6 @@ __initcall(slab_sysfs_init);
* The /proc/slabinfo ABI
*/
#ifdef CONFIG_SLABINFO
ssize_t slabinfo_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
return -EINVAL;
}
static void print_slabinfo_header(struct seq_file *m)
{
seq_puts(m, "slabinfo - version: 2.1\n");
@ -4492,11 +4485,29 @@ static int s_show(struct seq_file *m, void *p)
return 0;
}
const struct seq_operations slabinfo_op = {
static const struct seq_operations slabinfo_op = {
.start = s_start,
.next = s_next,
.stop = s_stop,
.show = s_show,
};
static int slabinfo_open(struct inode *inode, struct file *file)
{
return seq_open(file, &slabinfo_op);
}
static const struct file_operations proc_slabinfo_operations = {
.open = slabinfo_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int __init slab_proc_init(void)
{
proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
return 0;
}
module_init(slab_proc_init);
#endif /* CONFIG_SLABINFO */