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proc: move /proc/vmallocinfo to mm/vmalloc.c
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Signed-off-by: Alexey Dobriyan <[email protected]>
Acked-by: Christoph Lameter <[email protected]>
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Alexey Dobriyan committed Oct 23, 2008
1 parent 7b3c3a5 commit 5f6a6a9
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Showing 3 changed files with 32 additions and 31 deletions.
28 changes: 0 additions & 28 deletions fs/proc/proc_misc.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand Down Expand Up @@ -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);
Expand Down
2 changes: 0 additions & 2 deletions include/linux/vmalloc.h
Original file line number Diff line number Diff line change
Expand Up @@ -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 */
33 changes: 32 additions & 1 deletion mm/vmalloc.c
Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand Down Expand Up @@ -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

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