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,
30 (mm->total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
31 mm->locked_vm << (PAGE_SHIFT-10),
32 mm->rss << (PAGE_SHIFT-10),
33 data << (PAGE_SHIFT-10),
34 mm->stack_vm << (PAGE_SHIFT-10), text, lib,
35 (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10,
36 mm->start_brk, mm->brk, mm->start_stack
38 , mm->context.exec_limit
44 unsigned long task_vsize(struct mm_struct *mm)
46 return PAGE_SIZE * mm->total_vm;
49 int task_statm(struct mm_struct *mm, int *shared, int *text,
50 int *data, int *resident)
52 *shared = mm->rss - mm->anon_rss;
53 *text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
55 *data = mm->total_vm - mm->shared_vm;
60 static int show_map(struct seq_file *m, void *v)
62 struct vm_area_struct *map = v;
63 struct file *file = map->vm_file;
64 int flags = map->vm_flags;
65 unsigned long ino = 0;
70 struct inode *inode = map->vm_file->f_dentry->d_inode;
71 dev = inode->i_sb->s_dev;
75 seq_printf(m, "%08lx-%08lx %c%c%c%c %08lx %02x:%02x %lu %n",
78 flags & VM_READ ? 'r' : '-',
79 flags & VM_WRITE ? 'w' : '-',
80 flags & VM_EXEC ? 'x' : '-',
81 flags & VM_MAYSHARE ? 's' : 'p',
82 map->vm_pgoff << PAGE_SHIFT,
83 MAJOR(dev), MINOR(dev), ino, &len);
86 len = 25 + sizeof(void*) * 6 - len;
89 seq_printf(m, "%*c", len, ' ');
90 seq_path(m, file->f_vfsmnt, file->f_dentry, "");
96 static void *m_start(struct seq_file *m, loff_t *pos)
98 struct task_struct *task = m->private;
99 struct mm_struct *mm = get_task_mm(task);
100 struct vm_area_struct * map;
106 down_read(&mm->mmap_sem);
111 up_read(&mm->mmap_sem);
114 map = get_gate_vma(task);
119 static void m_stop(struct seq_file *m, void *v)
121 struct task_struct *task = m->private;
122 struct vm_area_struct *map = v;
123 if (map && map != get_gate_vma(task)) {
124 struct mm_struct *mm = map->vm_mm;
125 up_read(&mm->mmap_sem);
130 static void *m_next(struct seq_file *m, void *v, loff_t *pos)
132 struct task_struct *task = m->private;
133 struct vm_area_struct *map = v;
138 if (map != get_gate_vma(task))
139 return get_gate_vma(task);
143 struct seq_operations proc_pid_maps_op = {