From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A935C10DCE for ; Fri, 13 Mar 2020 02:03:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5343020716 for ; Fri, 13 Mar 2020 02:03:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KUk4dt+f" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726377AbgCMCDl (ORCPT ); Thu, 12 Mar 2020 22:03:41 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:43557 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726099AbgCMCDk (ORCPT ); Thu, 12 Mar 2020 22:03:40 -0400 Received: by mail-pg1-f196.google.com with SMTP id u12so4029605pgb.10 for ; Thu, 12 Mar 2020 19:03:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=oWGBLFEvBP29kAKar8TGkNLxRw+YhQWclY3OJnhykbY=; b=KUk4dt+fWPxx8Oh+GaRAhOUdiXBX//j/exJEGf67ZCb1zFi6VlKfIlLy78wtTPScwG X4on+PrTcOPwdyoe2x/NteUXfX2yJ9FFuSxlc7/0n05qWBGyYVhi3F4VR2LNNV0ZOI0T dsCeS5aSJgMcfmCpnsMB+jKMKlpBtDbxwYlLiN0npglR19lDfAd5uljPUkk9xq1rlZ1g Y2MgFdC3Aiotyah2xBltzy9eLHYye3Vwt0GdC7i7rg4/9XsHDgyvKbTPKfchRgWelp7e zfOcKvEvX7ap5Zs5RrDD4N6jpRd8jfTgUjDVeDp6UW4nP4dRA7e//lpn/Y6lYd2p0Mq7 nHiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=oWGBLFEvBP29kAKar8TGkNLxRw+YhQWclY3OJnhykbY=; b=sH3V9N+KRQpvA3QCHiwYd4t8t2Aps5VJiC53zoof1/fMqjde5IZWwLgZsbn9wub7uL 1uNiICfyKSoPxPXiD6x8JhOAOfROADI3X4UjoBEOag43ox51l0toDfKRip1W2kTV123q hQR7iMkpCIcimDQUGJKKGoRM4BVF+xrtCNWe83AG7Hl2DOSB4COoju44ddmdd384/S3p nFjoH9JnI2A4k8IHQm4gfc2oHRb1UMjwhvNvXtsVLrHwyfAolvCjP3ln9CqSR0OzF7x6 2K5VGkRE+6/tgiV8rzbeO/GlV0OHVyIFyk0qpi9VO6jwjvJLrT/olxXrS/2lm2mP3m5T MIAA== X-Gm-Message-State: ANhLgQ1yR8jIEOGrKqDHKx1dlWkVdfq/czCyZksN+HPx/ScPLfkBnd2e IuzAXuXf3v7OSJMSYHqUGePcGKaN X-Google-Smtp-Source: ADFU+vvBMHhj+xpDDXHjZFiXHssTFRBWLjy5b1wBqzLMxJCB4wK7b1dHhDgpm+970UaUC9CiASYRqA== X-Received: by 2002:a63:fc52:: with SMTP id r18mr10252608pgk.96.1584065019752; Thu, 12 Mar 2020 19:03:39 -0700 (PDT) Received: from localhost.localdomain ([1.39.142.76]) by smtp.gmail.com with ESMTPSA id v123sm31515803pfv.146.2020.03.12.19.03.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 12 Mar 2020 19:03:38 -0700 (PDT) From: Souptick Joarder To: jglisse@redhat.com, akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Souptick Joarder Subject: [PATCH] mm/hmm.c : Remove additional check for lockdep_assert_held() Date: Fri, 13 Mar 2020 07:41:00 +0530 Message-Id: <1584065460-22205-1-git-send-email-jrdr.linux@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org walk_page_range() already has a check for lockdep_assert_held(). So additional check for lockdep_assert_held() can be removed from hmm_range_fault(). Signed-off-by: Souptick Joarder --- mm/hmm.c | 1 - 1 file changed, 1 deletion(-) diff --git a/mm/hmm.c b/mm/hmm.c index 72e5a6d..b201e1e 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -681,7 +681,6 @@ long hmm_range_fault(struct hmm_range *range, unsigned int flags) struct mm_struct *mm = range->notifier->mm; int ret; - lockdep_assert_held(&mm->mmap_sem); do { /* If range is no longer valid force retry. */ -- 1.9.1