proc: move /proc/vmallocinfo to mm/vmalloc.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>

3 files changed, 32 insertions, 31 deletions

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 1d6d5c5cc2a8..fd41a032456b 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -132,31 +132,6 @@ static const struct file_operations proc_modules_operations = {
 };
 #endif
 
-#ifdef CONFIG_MMU
-static int vmalloc_open(struct inode *inode, struct file *file)
-{
-        unsigned int *ptr = NULL;
-        int ret;
-
-        if (NUMA_BUILD)
-                ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
-        ret = seq_open(file, &vmalloc_op);
-        if (!ret) {
-                struct seq_file *m = file->private_data;
-                m->private = ptr;
-        } else
-                kfree(ptr);
-        return ret;
-}
-
-static const struct file_operations proc_vmalloc_operations = {
-        .open           = vmalloc_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = seq_release_private,
-};
-#endif
-
 #ifdef CONFIG_PROC_PAGE_MONITOR
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
@@ -295,9 +270,6 @@ void __init proc_misc_init(void)
         proc_symlink("mounts", NULL, "self/mounts");
 
         /* And now for trickier ones */
-#ifdef CONFIG_MMU
-        proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
-#endif
         proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
         proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
         proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 4c28c4d564e2..307b88577eaa 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -103,6 +103,4 @@ extern void free_vm_area(struct vm_struct *area);
 extern rwlock_t vmlist_lock;
 extern struct vm_struct *vmlist;
 
-extern const struct seq_operations vmalloc_op;
-
 #endif /* _LINUX_VMALLOC_H */
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 65ae576030da..036536945dd9 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/debugobjects.h>
 #include <linux/kallsyms.h>
@@ -1718,11 +1719,41 @@ static int s_show(struct seq_file *m, void *p)
         return 0;
 }
 
-const struct seq_operations vmalloc_op = {
+static const struct seq_operations vmalloc_op = {
         .start = s_start,
         .next = s_next,
         .stop = s_stop,
         .show = s_show,
 };
+
+static int vmalloc_open(struct inode *inode, struct file *file)
+{
+        unsigned int *ptr = NULL;
+        int ret;
+
+        if (NUMA_BUILD)
+                ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
+        ret = seq_open(file, &vmalloc_op);
+        if (!ret) {
+                struct seq_file *m = file->private_data;
+                m->private = ptr;
+        } else
+                kfree(ptr);
+        return ret;
+}
+
+static const struct file_operations proc_vmalloc_operations = {
+        .open           = vmalloc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = seq_release_private,
+};
+
+static int __init proc_vmalloc_init(void)
+{
+        proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
+        return 0;
+}
+module_init(proc_vmalloc_init);
 #endif