2 #include <linux/hugetlb.h>
3 #include <linux/seq_file.h>
5 #include <asm/uaccess.h>
7 char *task_mem(struct mm_struct *mm, char *buffer)
9 unsigned long data, text, lib;
11 data = mm->total_vm - mm->shared_vm - mm->stack_vm;
12 text = (mm->end_code - mm->start_code) >> 10;
13 lib = (mm->exec_vm << (PAGE_SHIFT-10)) - text;
14 buffer += sprintf(buffer,
22 (mm->total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
23 mm->locked_vm << (PAGE_SHIFT-10),
24 mm->rss << (PAGE_SHIFT-10),
25 data << (PAGE_SHIFT-10),
26 mm->stack_vm << (PAGE_SHIFT-10), text, lib);
30 unsigned long task_vsize(struct mm_struct *mm)
32 return PAGE_SIZE * mm->total_vm;
35 int task_statm(struct mm_struct *mm, int *shared, int *text,
36 int *data, int *resident)
38 *shared = mm->shared_vm;
39 *text = (mm->end_code - mm->start_code) >> PAGE_SHIFT;
40 *data = mm->total_vm - mm->shared_vm - *text;
45 static int show_map(struct seq_file *m, void *v)
47 struct vm_area_struct *map = v;
48 struct file *file = map->vm_file;
49 int flags = map->vm_flags;
50 unsigned long ino = 0;
55 struct inode *inode = map->vm_file->f_dentry->d_inode;
56 dev = inode->i_sb->s_dev;
60 seq_printf(m, "%08lx-%08lx %c%c%c%c %08lx %02x:%02x %lu %n",
63 flags & VM_READ ? 'r' : '-',
64 flags & VM_WRITE ? 'w' : '-',
65 flags & VM_EXEC ? 'x' : '-',
66 flags & VM_MAYSHARE ? 's' : 'p',
67 map->vm_pgoff << PAGE_SHIFT,
68 MAJOR(dev), MINOR(dev), ino, &len);
71 len = 25 + sizeof(void*) * 6 - len;
74 seq_printf(m, "%*c", len, ' ');
75 seq_path(m, file->f_vfsmnt, file->f_dentry, "");
81 static void *m_start(struct seq_file *m, loff_t *pos)
83 struct task_struct *task = m->private;
84 struct mm_struct *mm = get_task_mm(task);
85 struct vm_area_struct * map;
91 down_read(&mm->mmap_sem);
96 up_read(&mm->mmap_sem);
99 map = get_gate_vma(task);
104 static void m_stop(struct seq_file *m, void *v)
106 struct task_struct *task = m->private;
107 struct vm_area_struct *map = v;
108 if (map && map != get_gate_vma(task)) {
109 struct mm_struct *mm = map->vm_mm;
110 up_read(&mm->mmap_sem);
115 static void *m_next(struct seq_file *m, void *v, loff_t *pos)
117 struct task_struct *task = m->private;
118 struct vm_area_struct *map = v;
123 if (map != get_gate_vma(task))
124 return get_gate_vma(task);
128 struct seq_operations proc_pid_maps_op = {