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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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4c8f20bb8e
This semantic patch replaces explicit computations of vma page count with explicit function call. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
61 lines
1.4 KiB
Plaintext
61 lines
1.4 KiB
Plaintext
///
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/// Use vma_pages function on vma object instead of explicit computation.
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///
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// Confidence: High
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// Keywords: vma_pages vma
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// Comment: Based on resource_size.cocci
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virtual context
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virtual patch
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virtual org
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virtual report
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//----------------------------------------------------------
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// For context mode
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//----------------------------------------------------------
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@r_context depends on context && !patch && !org && !report@
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struct vm_area_struct *vma;
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@@
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* (vma->vm_end - vma->vm_start) >> PAGE_SHIFT
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//----------------------------------------------------------
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// For patch mode
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//----------------------------------------------------------
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@r_patch depends on !context && patch && !org && !report@
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struct vm_area_struct *vma;
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@@
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- ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT)
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+ vma_pages(vma)
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//----------------------------------------------------------
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// For org mode
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//----------------------------------------------------------
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@r_org depends on !context && !patch && (org || report)@
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struct vm_area_struct *vma;
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position p;
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@@
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(vma->vm_end@p - vma->vm_start) >> PAGE_SHIFT
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@script:python depends on report@
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p << r_org.p;
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x << r_org.vma;
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@@
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msg="WARNING: Consider using vma_pages helper on %s" % (x)
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coccilib.report.print_report(p[0], msg)
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@script:python depends on org@
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p << r_org.p;
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x << r_org.vma;
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@@
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msg="WARNING: Consider using vma_pages helper on %s" % (x)
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msg_safe=msg.replace("[","@(").replace("]",")")
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coccilib.org.print_todo(p[0], msg_safe)
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