xref: /OK3568_Linux_fs/kernel/scripts/coccinelle/api/vma_pages.cocci (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun///
3*4882a593Smuzhiyun/// Use vma_pages function on vma object instead of explicit computation.
4*4882a593Smuzhiyun///
5*4882a593Smuzhiyun//  Confidence: High
6*4882a593Smuzhiyun//  Keywords: vma_pages vma
7*4882a593Smuzhiyun//  Comment: Based on resource_size.cocci
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunvirtual context
10*4882a593Smuzhiyunvirtual patch
11*4882a593Smuzhiyunvirtual org
12*4882a593Smuzhiyunvirtual report
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun//----------------------------------------------------------
15*4882a593Smuzhiyun//  For context mode
16*4882a593Smuzhiyun//----------------------------------------------------------
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun@r_context depends on context && !patch && !org && !report@
19*4882a593Smuzhiyunstruct vm_area_struct *vma;
20*4882a593Smuzhiyun@@
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun* (vma->vm_end - vma->vm_start) >> PAGE_SHIFT
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun//----------------------------------------------------------
25*4882a593Smuzhiyun//  For patch mode
26*4882a593Smuzhiyun//----------------------------------------------------------
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun@r_patch depends on !context && patch && !org && !report@
29*4882a593Smuzhiyunstruct vm_area_struct *vma;
30*4882a593Smuzhiyun@@
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun- ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT)
33*4882a593Smuzhiyun+ vma_pages(vma)
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun//----------------------------------------------------------
36*4882a593Smuzhiyun//  For org mode
37*4882a593Smuzhiyun//----------------------------------------------------------
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun@r_org depends on !context && !patch && (org || report)@
40*4882a593Smuzhiyunstruct vm_area_struct *vma;
41*4882a593Smuzhiyunposition p;
42*4882a593Smuzhiyun@@
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun  (vma->vm_end@p - vma->vm_start) >> PAGE_SHIFT
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun@script:python depends on report@
47*4882a593Smuzhiyunp << r_org.p;
48*4882a593Smuzhiyunx << r_org.vma;
49*4882a593Smuzhiyun@@
50*4882a593Smuzhiyun
51*4882a593Smuzhiyunmsg="WARNING: Consider using vma_pages helper on %s" % (x)
52*4882a593Smuzhiyuncoccilib.report.print_report(p[0], msg)
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun@script:python depends on org@
55*4882a593Smuzhiyunp << r_org.p;
56*4882a593Smuzhiyunx << r_org.vma;
57*4882a593Smuzhiyun@@
58*4882a593Smuzhiyun
59*4882a593Smuzhiyunmsg="WARNING: Consider using vma_pages helper on %s" % (x)
60*4882a593Smuzhiyunmsg_safe=msg.replace("[","@(").replace("]",")")
61*4882a593Smuzhiyuncoccilib.org.print_todo(p[0], msg_safe)
62