Files
Linux_Drivers/linux_5.10/scripts/coccinelle/api/vma_pages.cocci
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

62 lines
1.5 KiB
Plaintext

// SPDX-License-Identifier: GPL-2.0
///
/// 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)