summaryrefslogtreecommitdiff
path: root/mm
diff options
context:
space:
mode:
authorAlexey Dobriyan <adobriyan@gmail.com>2008-10-06 02:42:17 +0400
committerAlexey Dobriyan <adobriyan@gmail.com>2008-10-23 15:20:06 +0400
commit7b3c3a50a3e0ea46815150d420fa276ac254572b (patch)
treea49118d99ae5bac99b660d8a44c20df2b15a7037 /mm
parenta0ec95a8e69792e4ad642daac037c9b01ea3e2cd (diff)
downloadconfigs-7b3c3a50a3e0ea46815150d420fa276ac254572b.tar.gz
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 <adobriyan@gmail.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm')
-rw-r--r--mm/slab.c16
-rw-r--r--mm/slub.c29
2 files changed, 35 insertions, 10 deletions
diff --git a/mm/slab.c b/mm/slab.c
index d53ac9c26ab..09187517f9d 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -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
diff --git a/mm/slub.c b/mm/slub.c
index 0c83e6afe7b..7ad489af956 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -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 */