Blame view

kernel/linux-rt-4.4.41/scripts/coccinelle/api/vma_pages.cocci 1.45 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
  ///
  /// Use vma_pages function on vma object instead of explicit computation.
  ///
  //  Confidence: High
  //  Keywords: vma_pages vma
  //  Comment: Based on resource_size.cocci
  
  virtual context
  virtual patch
  virtual org
  virtual report
  
  //----------------------------------------------------------
  //  For context mode
  //----------------------------------------------------------
  
  @r_context depends on context && !patch && !org && !report@
  struct vm_area_struct *vma;
  @@
  
  * (vma->vm_end - vma->vm_start) >> PAGE_SHIFT
  
  //----------------------------------------------------------
  //  For patch mode
  //----------------------------------------------------------
  
  @r_patch depends on !context && patch && !org && !report@
  struct vm_area_struct *vma;
  @@
  
  - ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT)
  + vma_pages(vma)
  
  //----------------------------------------------------------
  //  For org mode
  //----------------------------------------------------------
  
  @r_org depends on !context && !patch && (org || report)@
  struct vm_area_struct *vma;
  position p;
  @@
  
    (vma->vm_end@p - vma->vm_start) >> PAGE_SHIFT
  
  @script:python depends on report@
  p << r_org.p;
  x << r_org.vma;
  @@
  
  msg="WARNING: Consider using vma_pages helper on %s" % (x)
  coccilib.report.print_report(p[0], msg)
  
  @script:python depends on org@
  p << r_org.p;
  x << r_org.vma;
  @@
  
  msg="WARNING: Consider using vma_pages helper on %s" % (x)
  msg_safe=msg.replace("[","@(").replace("]",")")
  coccilib.org.print_todo(p[0], msg_safe)