diff options
| -rw-r--r-- | fs/proc/proc_misc.c | 30 | ||||
| -rw-r--r-- | mm/slab.c | 36 |
2 files changed, 35 insertions, 31 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 9e1d268..5bca028 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -144,33 +144,6 @@ static const struct file_operations proc_slabinfo_operations = { .llseek = seq_lseek, .release = seq_release, }; - -#ifdef CONFIG_DEBUG_SLAB_LEAK -extern const struct seq_operations slabstats_op; -static int slabstats_open(struct inode *inode, struct file *file) -{ - unsigned long *n = kzalloc(PAGE_SIZE, GFP_KERNEL); - int ret = -ENOMEM; - if (n) { - ret = seq_open(file, &slabstats_op); - if (!ret) { - struct seq_file *m = file->private_data; - *n = PAGE_SIZE / (2 * sizeof(unsigned long)); - m->private = n; - n = NULL; - } - kfree(n); - } - return ret; -} - -static const struct file_operations proc_slabstats_operations = { - .open = slabstats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release_private, -}; -#endif #endif #ifdef CONFIG_MMU @@ -338,9 +311,6 @@ void __init proc_misc_init(void) /* And now for trickier ones */ #ifdef CONFIG_SLABINFO 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 #endif #ifdef CONFIG_MMU proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations); @@ -95,6 +95,7 @@ #include <linux/init.h> #include <linux/compiler.h> #include <linux/cpuset.h> +#include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/notifier.h> #include <linux/kallsyms.h> @@ -4443,13 +4444,46 @@ static int leaks_show(struct seq_file *m, void *p) return 0; } -const struct seq_operations slabstats_op = { +static const struct seq_operations slabstats_op = { .start = leaks_start, .next = s_next, .stop = s_stop, .show = leaks_show, }; + +static int slabstats_open(struct inode *inode, struct file *file) +{ + unsigned long *n = kzalloc(PAGE_SIZE, GFP_KERNEL); + int ret = -ENOMEM; + if (n) { + ret = seq_open(file, &slabstats_op); + if (!ret) { + struct seq_file *m = file->private_data; + *n = PAGE_SIZE / (2 * sizeof(unsigned long)); + m->private = n; + n = NULL; + } + kfree(n); + } + return ret; +} + +static const struct file_operations proc_slabstats_operations = { + .open = slabstats_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release_private, +}; +#endif + +static int __init slab_proc_init(void) +{ +#ifdef CONFIG_DEBUG_SLAB_LEAK + proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations); #endif + return 0; +} +module_init(slab_proc_init); #endif /** |
