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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 2785BC433ED for ; Fri, 30 Apr 2021 05:58:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0CA0A61459 for ; Fri, 30 Apr 2021 05:58:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229834AbhD3F7p (ORCPT ); Fri, 30 Apr 2021 01:59:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:52962 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230132AbhD3F7p (ORCPT ); Fri, 30 Apr 2021 01:59:45 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 55A6B61482; Fri, 30 Apr 2021 05:58:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1619762336; bh=aAmLc48gFEaPXkLdU25LHj1RML1v05ZZGkfJuD3w7gU=; h=Date:From:To:Subject:In-Reply-To:From; b=zefc4ry29ZBldAjMA0LY1350Ry5pLTRvB441l3ZKaLtXentqwH5y1tuL85XBEpRl9 Nvme1YUdeqz5HuDGNM5Jcb0SNKyPZkdLMNxHXBnesKxoumHsGPwew8avxsiUJoeumS 5DBbXVC1K5Mhr2OSn5LqV6fHao1FvdanqIJKKYwc= Date: Thu, 29 Apr 2021 22:58:55 -0700 From: Andrew Morton To: akpm@linux-foundation.org, clg@kaod.org, hch@lst.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, npiggin@gmail.com, torvalds@linux-foundation.org, urezki@gmail.com Subject: [patch 111/178] kernel/dma: remove unnecessary unmap_kernel_range Message-ID: <20210430055855.0q2vqIi8N%akpm@linux-foundation.org> In-Reply-To: <20210429225251.02b6386d21b69255b4f6c163@linux-foundation.org> User-Agent: s-nail v14.8.16 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org =46rom: Nicholas Piggin Subject: kernel/dma: remove unnecessary unmap_kernel_range vunmap will remove ptes. Link: https://lkml.kernel.org/r/20210322021806.892164-3-npiggin@gmail.com Signed-off-by: Nicholas Piggin Reviewed-by: Christoph Hellwig Cc: C=C3=A9dric Le Goater Cc: Uladzislau Rezki Signed-off-by: Andrew Morton --- kernel/dma/remap.c | 1 - 1 file changed, 1 deletion(-) --- a/kernel/dma/remap.c~kernel-dma-remove-unnecessary-unmap_kernel_range +++ a/kernel/dma/remap.c @@ -66,6 +66,5 @@ void dma_common_free_remap(void *cpu_add return; } =20 - unmap_kernel_range((unsigned long)cpu_addr, PAGE_ALIGN(size)); vunmap(cpu_addr); } _