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,
29 (mm->total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
30 mm->locked_vm << (PAGE_SHIFT-10),
31 mm->rss << (PAGE_SHIFT-10),
32 data << (PAGE_SHIFT-10),
33 mm->stack_vm << (PAGE_SHIFT-10), text, lib, mm->start_brk, mm->brk, mm->start_stack
35 , mm->context.exec_limit
41 unsigned long task_vsize(struct mm_struct *mm)
43 return PAGE_SIZE * mm->total_vm;
46 int task_statm(struct mm_struct *mm, int *shared, int *text,
47 int *data, int *resident)
49 *shared = mm->rss - mm->anon_rss;
50 *text = (mm->end_code - mm->start_code) >> PAGE_SHIFT;
51 *data = mm->total_vm - mm->shared_vm;
56 static int show_map(struct seq_file *m, void *v)
58 struct vm_area_struct *map = v;
59 struct file *file = map->vm_file;
60 int flags = map->vm_flags;
61 unsigned long ino = 0;
66 struct inode *inode = map->vm_file->f_dentry->d_inode;
67 dev = inode->i_sb->s_dev;
71 seq_printf(m, "%08lx-%08lx %c%c%c%c %08lx %02x:%02x %lu %n",
74 flags & VM_READ ? 'r' : '-',
75 flags & VM_WRITE ? 'w' : '-',
76 flags & VM_EXEC ? 'x' : '-',
77 flags & VM_MAYSHARE ? 's' : 'p',
78 map->vm_pgoff << PAGE_SHIFT,
79 MAJOR(dev), MINOR(dev), ino, &len);
82 len = 25 + sizeof(void*) * 6 - len;
85 seq_printf(m, "%*c", len, ' ');
86 seq_path(m, file->f_vfsmnt, file->f_dentry, "");
92 static void *m_start(struct seq_file *m, loff_t *pos)
94 struct task_struct *task = m->private;
95 struct mm_struct *mm = get_task_mm(task);
96 struct vm_area_struct * map;
102 down_read(&mm->mmap_sem);
107 up_read(&mm->mmap_sem);
110 map = get_gate_vma(task);
115 static void m_stop(struct seq_file *m, void *v)
117 struct task_struct *task = m->private;
118 struct vm_area_struct *map = v;
119 if (map && map != get_gate_vma(task)) {
120 struct mm_struct *mm = map->vm_mm;
121 up_read(&mm->mmap_sem);
126 static void *m_next(struct seq_file *m, void *v, loff_t *pos)
128 struct task_struct *task = m->private;
129 struct vm_area_struct *map = v;
134 if (map != get_gate_vma(task))
135 return get_gate_vma(task);
139 struct seq_operations proc_pid_maps_op = {