| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 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) |