From patchwork Fri Nov 5 20:43:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 12605747 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53E54C433EF for ; Fri, 5 Nov 2021 20:43:53 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1F9246136A for ; Fri, 5 Nov 2021 20:43:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1F9246136A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id BAA1C9400A5; Fri, 5 Nov 2021 16:43:52 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B59F8940093; Fri, 5 Nov 2021 16:43:52 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A71119400A5; Fri, 5 Nov 2021 16:43:52 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0036.hostedemail.com [216.40.44.36]) by kanga.kvack.org (Postfix) with ESMTP id 96E80940093 for ; Fri, 5 Nov 2021 16:43:52 -0400 (EDT) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 57B5F184B28F1 for ; Fri, 5 Nov 2021 20:43:52 +0000 (UTC) X-FDA: 78776053020.19.236185D Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf09.hostedemail.com (Postfix) with ESMTP id 07FA1300011D for ; Fri, 5 Nov 2021 20:43:51 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 17CA961360; Fri, 5 Nov 2021 20:43:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1636145031; bh=W5xUEmp0/AmZRI/AUD9aU2KG3gvz5TSEBKt6VoBvGcQ=; h=Date:From:To:Subject:In-Reply-To:From; b=2SvDvKEuGg6DvyT2JzWawYZOubDXe37ZeF6X2LLjFs0v1uLgJnYEedF40n9KkpiYJ iIaAO3RXp6o/cdWi+T2qTxBMSQ2/tW84ZqnFUlbe9C+0Md71EFiTEiY7OA4dx5Ojr5 nNzSvHffXX0QM4X2/E2/yh4BOioOfgeH2BKM3ghQ= Date: Fri, 05 Nov 2021 13:43:50 -0700 From: Andrew Morton To: akpm@linux-foundation.org, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, wangkefeng.wang@huawei.com Subject: [patch 176/262] mm: nommu: kill arch_get_unmapped_area() Message-ID: <20211105204350.YecbdIUJT%akpm@linux-foundation.org> In-Reply-To: <20211105133408.cccbb98b71a77d5e8430aba1@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 07FA1300011D X-Stat-Signature: qo7uf3jqdwgxhzura3c5dfcet9cbgm79 Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=2SvDvKEu; dmarc=none; spf=pass (imf09.hostedemail.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-HE-Tag: 1636145031-477904 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Kefeng Wang Subject: mm: nommu: kill arch_get_unmapped_area() When nommu, the arch_get_unmapped_area() will not be called, just kill it. Link: https://lkml.kernel.org/r/20210910061906.36299-1-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang Signed-off-by: Andrew Morton --- mm/nommu.c | 6 ------ 1 file changed, 6 deletions(-) --- a/mm/nommu.c~mm-nommu-kill-arch_get_unmapped_area +++ a/mm/nommu.c @@ -1639,12 +1639,6 @@ int remap_vmalloc_range(struct vm_area_s } EXPORT_SYMBOL(remap_vmalloc_range); -unsigned long arch_get_unmapped_area(struct file *file, unsigned long addr, - unsigned long len, unsigned long pgoff, unsigned long flags) -{ - return -ENOMEM; -} - vm_fault_t filemap_fault(struct vm_fault *vmf) { BUG();