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-rw-r--r--fs/proc/proc_misc.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index c652d469dc08..ded969862960 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -232,7 +232,6 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
232#undef K 232#undef K
233} 233}
234 234
235extern const struct seq_operations fragmentation_op;
236static int fragmentation_open(struct inode *inode, struct file *file) 235static int fragmentation_open(struct inode *inode, struct file *file)
237{ 236{
238 (void)inode; 237 (void)inode;
@@ -246,7 +245,6 @@ static const struct file_operations fragmentation_file_operations = {
246 .release = seq_release, 245 .release = seq_release,
247}; 246};
248 247
249extern const struct seq_operations pagetypeinfo_op;
250static int pagetypeinfo_open(struct inode *inode, struct file *file) 248static int pagetypeinfo_open(struct inode *inode, struct file *file)
251{ 249{
252 return seq_open(file, &pagetypeinfo_op); 250 return seq_open(file, &pagetypeinfo_op);
@@ -259,7 +257,6 @@ static const struct file_operations pagetypeinfo_file_ops = {
259 .release = seq_release, 257 .release = seq_release,
260}; 258};
261 259
262extern const struct seq_operations zoneinfo_op;
263static int zoneinfo_open(struct inode *inode, struct file *file) 260static int zoneinfo_open(struct inode *inode, struct file *file)
264{ 261{
265 return seq_open(file, &zoneinfo_op); 262 return seq_open(file, &zoneinfo_op);
@@ -356,7 +353,6 @@ static const struct file_operations proc_devinfo_operations = {
356 .release = seq_release, 353 .release = seq_release,
357}; 354};
358 355
359extern const struct seq_operations vmstat_op;
360static int vmstat_open(struct inode *inode, struct file *file) 356static int vmstat_open(struct inode *inode, struct file *file)
361{ 357{
362 return seq_open(file, &vmstat_op); 358 return seq_open(file, &vmstat_op);
@@ -468,14 +464,25 @@ static const struct file_operations proc_slabstats_operations = {
468#ifdef CONFIG_MMU 464#ifdef CONFIG_MMU
469static int vmalloc_open(struct inode *inode, struct file *file) 465static int vmalloc_open(struct inode *inode, struct file *file)
470{ 466{
471 return seq_open(file, &vmalloc_op); 467 unsigned int *ptr = NULL;
468 int ret;
469
470 if (NUMA_BUILD)
471 ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
472 ret = seq_open(file, &vmalloc_op);
473 if (!ret) {
474 struct seq_file *m = file->private_data;
475 m->private = ptr;
476 } else
477 kfree(ptr);
478 return ret;
472} 479}
473 480
474static const struct file_operations proc_vmalloc_operations = { 481static const struct file_operations proc_vmalloc_operations = {
475 .open = vmalloc_open, 482 .open = vmalloc_open,
476 .read = seq_read, 483 .read = seq_read,
477 .llseek = seq_lseek, 484 .llseek = seq_lseek,
478 .release = seq_release, 485 .release = seq_release_private,
479}; 486};
480#endif 487#endif
481 488