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 = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK)) >> 10;
13 lib = (mm->exec_vm << (PAGE_SHIFT-10)) - text;
14 buffer += sprintf(buffer,
27 (mm->total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
28 mm->locked_vm << (PAGE_SHIFT-10),
29 mm->rss << (PAGE_SHIFT-10),
30 data << (PAGE_SHIFT-10),
31 mm->stack_vm << (PAGE_SHIFT-10), text, lib,
32 (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10,
33 mm->start_brk, mm->brk, mm->start_stack);
36 buffer += sprintf(buffer,
37 "ExecLim:\t%08lx\n", mm->context.exec_limit);
42 unsigned long task_vsize(struct mm_struct *mm)
44 return PAGE_SIZE * mm->total_vm;
47 int task_statm(struct mm_struct *mm, int *shared, int *text,
48 int *data, int *resident)
50 *shared = mm->rss - mm->anon_rss;
51 *text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
53 *data = mm->total_vm - mm->shared_vm;
58 static int show_map(struct seq_file *m, void *v)
61 struct task_struct *task = m->private;
63 struct vm_area_struct *map = v;
64 struct file *file = map->vm_file;
65 int flags = map->vm_flags;
66 unsigned long ino = 0;
71 struct inode *inode = map->vm_file->f_dentry->d_inode;
72 dev = inode->i_sb->s_dev;
76 seq_printf(m, "%08lx-%08lx %c%c%c%c %08lx %02x:%02x %lu %n",
79 flags & VM_READ ? 'r' : '-',
80 flags & VM_WRITE ? 'w' : '-',
84 (map->vm_start < task->mm->context.exec_limit))
88 flags & VM_MAYSHARE ? 's' : 'p',
89 map->vm_pgoff << PAGE_SHIFT,
90 MAJOR(dev), MINOR(dev), ino, &len);
93 len = 25 + sizeof(void*) * 6 - len;
96 seq_printf(m, "%*c", len, ' ');
97 seq_path(m, file->f_vfsmnt, file->f_dentry, "");
103 static void *m_start(struct seq_file *m, loff_t *pos)
105 struct task_struct *task = m->private;
106 struct mm_struct *mm = get_task_mm(task);
107 struct vm_area_struct * map;
113 down_read(&mm->mmap_sem);
118 up_read(&mm->mmap_sem);
121 map = get_gate_vma(task);
126 static void m_stop(struct seq_file *m, void *v)
128 struct task_struct *task = m->private;
129 struct vm_area_struct *map = v;
130 if (map && map != get_gate_vma(task)) {
131 struct mm_struct *mm = map->vm_mm;
132 up_read(&mm->mmap_sem);
137 static void *m_next(struct seq_file *m, void *v, loff_t *pos)
139 struct task_struct *task = m->private;
140 struct vm_area_struct *map = v;
145 if (map != get_gate_vma(task))
146 return get_gate_vma(task);
150 struct seq_operations proc_pid_maps_op = {