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-rw-r--r--fs/proc/proc_misc.c17
-rw-r--r--include/linux/slab.h5
-rw-r--r--mm/slab.c16
-rw-r--r--mm/slub.c29
4 files changed, 35 insertions, 32 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 5bca02842d07..1d6d5c5cc2a8 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -132,20 +132,6 @@ static const struct file_operations proc_modules_operations = {
132}; 132};
133#endif 133#endif
134 134
135#ifdef CONFIG_SLABINFO
136static int slabinfo_open(struct inode *inode, struct file *file)
137{
138 return seq_open(file, &slabinfo_op);
139}
140static const struct file_operations proc_slabinfo_operations = {
141 .open = slabinfo_open,
142 .read = seq_read,
143 .write = slabinfo_write,
144 .llseek = seq_lseek,
145 .release = seq_release,
146};
147#endif
148
149#ifdef CONFIG_MMU 135#ifdef CONFIG_MMU
150static int vmalloc_open(struct inode *inode, struct file *file) 136static int vmalloc_open(struct inode *inode, struct file *file)
151{ 137{
@@ -309,9 +295,6 @@ void __init proc_misc_init(void)
309 proc_symlink("mounts", NULL, "self/mounts"); 295 proc_symlink("mounts", NULL, "self/mounts");
310 296
311 /* And now for trickier ones */ 297 /* And now for trickier ones */
312#ifdef CONFIG_SLABINFO
313 proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
314#endif
315#ifdef CONFIG_MMU 298#ifdef CONFIG_MMU
316 proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations); 299 proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
317#endif 300#endif
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 5ff9676c1e2c..ba965c84ae06 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -288,9 +288,4 @@ static inline void *kzalloc_node(size_t size, gfp_t flags, int node)
288 return kmalloc_node(size, flags | __GFP_ZERO, node); 288 return kmalloc_node(size, flags | __GFP_ZERO, node);
289} 289}
290 290
291#ifdef CONFIG_SLABINFO
292extern const struct seq_operations slabinfo_op;
293ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);
294#endif
295
296#endif /* _LINUX_SLAB_H */ 291#endif /* _LINUX_SLAB_H */
diff --git a/mm/slab.c b/mm/slab.c
index d53ac9c26ab7..09187517f9dc 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -4259,7 +4259,7 @@ static int s_show(struct seq_file *m, void *p)
4259 * + further values on SMP and with statistics enabled 4259 * + further values on SMP and with statistics enabled
4260 */ 4260 */
4261 4261
4262const struct seq_operations slabinfo_op = { 4262static const struct seq_operations slabinfo_op = {
4263 .start = s_start, 4263 .start = s_start,
4264 .next = s_next, 4264 .next = s_next,
4265 .stop = s_stop, 4265 .stop = s_stop,
@@ -4316,6 +4316,19 @@ ssize_t slabinfo_write(struct file *file, const char __user * buffer,
4316 return res; 4316 return res;
4317} 4317}
4318 4318
4319static int slabinfo_open(struct inode *inode, struct file *file)
4320{
4321 return seq_open(file, &slabinfo_op);
4322}
4323
4324static const struct file_operations proc_slabinfo_operations = {
4325 .open = slabinfo_open,
4326 .read = seq_read,
4327 .write = slabinfo_write,
4328 .llseek = seq_lseek,
4329 .release = seq_release,
4330};
4331
4319#ifdef CONFIG_DEBUG_SLAB_LEAK 4332#ifdef CONFIG_DEBUG_SLAB_LEAK
4320 4333
4321static void *leaks_start(struct seq_file *m, loff_t *pos) 4334static void *leaks_start(struct seq_file *m, loff_t *pos)
@@ -4478,6 +4491,7 @@ static const struct file_operations proc_slabstats_operations = {
4478 4491
4479static int __init slab_proc_init(void) 4492static int __init slab_proc_init(void)
4480{ 4493{
4494 proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
4481#ifdef CONFIG_DEBUG_SLAB_LEAK 4495#ifdef CONFIG_DEBUG_SLAB_LEAK
4482 proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations); 4496 proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
4483#endif 4497#endif
diff --git a/mm/slub.c b/mm/slub.c
index 0c83e6afe7b2..7ad489af9561 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -14,6 +14,7 @@
14#include <linux/interrupt.h> 14#include <linux/interrupt.h>
15#include <linux/bitops.h> 15#include <linux/bitops.h>
16#include <linux/slab.h> 16#include <linux/slab.h>
17#include <linux/proc_fs.h>
17#include <linux/seq_file.h> 18#include <linux/seq_file.h>
18#include <linux/cpu.h> 19#include <linux/cpu.h>
19#include <linux/cpuset.h> 20#include <linux/cpuset.h>
@@ -4417,14 +4418,6 @@ __initcall(slab_sysfs_init);
4417 * The /proc/slabinfo ABI 4418 * The /proc/slabinfo ABI
4418 */ 4419 */
4419#ifdef CONFIG_SLABINFO 4420#ifdef CONFIG_SLABINFO
4420
4421ssize_t slabinfo_write(struct file *file, const char __user *buffer,
4422 size_t count, loff_t *ppos)
4423{
4424 return -EINVAL;
4425}
4426
4427
4428static void print_slabinfo_header(struct seq_file *m) 4421static void print_slabinfo_header(struct seq_file *m)
4429{ 4422{
4430 seq_puts(m, "slabinfo - version: 2.1\n"); 4423 seq_puts(m, "slabinfo - version: 2.1\n");
@@ -4492,11 +4485,29 @@ static int s_show(struct seq_file *m, void *p)
4492 return 0; 4485 return 0;
4493} 4486}
4494 4487
4495const struct seq_operations slabinfo_op = { 4488static const struct seq_operations slabinfo_op = {
4496 .start = s_start, 4489 .start = s_start,
4497 .next = s_next, 4490 .next = s_next,
4498 .stop = s_stop, 4491 .stop = s_stop,
4499 .show = s_show, 4492 .show = s_show,
4500}; 4493};
4501 4494
4495static int slabinfo_open(struct inode *inode, struct file *file)
4496{
4497 return seq_open(file, &slabinfo_op);
4498}
4499
4500static const struct file_operations proc_slabinfo_operations = {
4501 .open = slabinfo_open,
4502 .read = seq_read,
4503 .llseek = seq_lseek,
4504 .release = seq_release,
4505};
4506
4507static int __init slab_proc_init(void)
4508{
4509 proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
4510 return 0;
4511}
4512module_init(slab_proc_init);
4502#endif /* CONFIG_SLABINFO */ 4513#endif /* CONFIG_SLABINFO */