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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
4c8f20bb DK |
2 | /// |
3 | /// Use vma_pages function on vma object instead of explicit computation. | |
4 | /// | |
5 | // Confidence: High | |
6 | // Keywords: vma_pages vma | |
7 | // Comment: Based on resource_size.cocci | |
8 | ||
9 | virtual context | |
10 | virtual patch | |
11 | virtual org | |
12 | virtual report | |
13 | ||
14 | //---------------------------------------------------------- | |
15 | // For context mode | |
16 | //---------------------------------------------------------- | |
17 | ||
18 | @r_context depends on context && !patch && !org && !report@ | |
19 | struct vm_area_struct *vma; | |
20 | @@ | |
21 | ||
22 | * (vma->vm_end - vma->vm_start) >> PAGE_SHIFT | |
23 | ||
24 | //---------------------------------------------------------- | |
25 | // For patch mode | |
26 | //---------------------------------------------------------- | |
27 | ||
28 | @r_patch depends on !context && patch && !org && !report@ | |
29 | struct vm_area_struct *vma; | |
30 | @@ | |
31 | ||
32 | - ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) | |
33 | + vma_pages(vma) | |
34 | ||
35 | //---------------------------------------------------------- | |
36 | // For org mode | |
37 | //---------------------------------------------------------- | |
38 | ||
39 | @r_org depends on !context && !patch && (org || report)@ | |
40 | struct vm_area_struct *vma; | |
41 | position p; | |
42 | @@ | |
43 | ||
44 | (vma->vm_end@p - vma->vm_start) >> PAGE_SHIFT | |
45 | ||
46 | @script:python depends on report@ | |
47 | p << r_org.p; | |
48 | x << r_org.vma; | |
49 | @@ | |
50 | ||
51 | msg="WARNING: Consider using vma_pages helper on %s" % (x) | |
52 | coccilib.report.print_report(p[0], msg) | |
53 | ||
54 | @script:python depends on org@ | |
55 | p << r_org.p; | |
56 | x << r_org.vma; | |
57 | @@ | |
58 | ||
59 | msg="WARNING: Consider using vma_pages helper on %s" % (x) | |
60 | msg_safe=msg.replace("[","@(").replace("]",")") | |
61 | coccilib.org.print_todo(p[0], msg_safe) |