Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751414AbbEQAGn (ORCPT ); Sat, 16 May 2015 20:06:43 -0400 Received: from mail-la0-f68.google.com ([209.85.215.68]:35621 "EHLO mail-la0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751216AbbEQAGm (ORCPT ); Sat, 16 May 2015 20:06:42 -0400 From: Dmitry Kalinkin To: linux-kernel@vger.kernel.org, cocci@systeme.lip6.fr Cc: Julia Lawall , Gilles Muller , Nicolas Palix , Michal Marek , Dmitry Kalinkin Subject: [PATCH] coccinelle: api: add vma_pages.cocci Date: Sun, 17 May 2015 03:06:27 +0300 Message-Id: <1431821187-21648-1-git-send-email-dmitry.kalinkin@gmail.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2416 Lines: 89 This semantic patch replaces explicit computations of vma page count with explicit function call. Signed-off-by: Dmitry Kalinkin --- scripts/coccinelle/api/vma_pages.cocci | 66 ++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 scripts/coccinelle/api/vma_pages.cocci diff --git a/scripts/coccinelle/api/vma_pages.cocci b/scripts/coccinelle/api/vma_pages.cocci new file mode 100644 index 0000000..2b7a748 --- /dev/null +++ b/scripts/coccinelle/api/vma_pages.cocci @@ -0,0 +1,66 @@ +/// Use vma_pages function on vma object instead of explicit computation. +// Confidence: High +// Keywords: vma_pages vma + +// Based on resource_size.cocci + +virtual context +virtual patch +virtual org +virtual report + +//---------------------------------------------------------- +// For context mode +//---------------------------------------------------------- + +@r_context depends on context && !patch && !org@ +struct vm_area_struct *vma; +@@ + +* (vma->vm_end - vma->vm_start) >> PAGE_SHIFT + +//---------------------------------------------------------- +// For patch mode +//---------------------------------------------------------- + +@r_patch1 depends on !context && patch && !org@ +struct vm_area_struct *vma; +@@ + +- ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) ++ vma_pages(vma) + +@r_patch2 depends on !context && patch && !org@ +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="ERROR: Missing vma_pages with %s" % (x) +coccilib.report.print_report(p[0], msg) + +@script:python depends on org@ +p << r_org.p; +x << r_org.vma; +@@ + +msg="ERROR with %s" % (x) +msg_safe=msg.replace("[","@(").replace("]",")") +coccilib.org.print_todo(p[0], msg_safe) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/