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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 845D9C433EF for ; Fri, 18 Mar 2022 09:55:54 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 05F278D0005; Fri, 18 Mar 2022 05:55:54 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 00F568D0001; Fri, 18 Mar 2022 05:55:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E400D8D0005; Fri, 18 Mar 2022 05:55:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0083.hostedemail.com [216.40.44.83]) by kanga.kvack.org (Postfix) with ESMTP id D51478D0001 for ; Fri, 18 Mar 2022 05:55:53 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 908A0181CC40D for ; Fri, 18 Mar 2022 09:55:53 +0000 (UTC) X-FDA: 79257050586.28.9E6B817 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by imf09.hostedemail.com (Postfix) with ESMTP id A76F9140022 for ; Fri, 18 Mar 2022 09:55:52 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=xiaoguang.wang@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0V7W7z1S_1647597348; Received: from localhost(mailfrom:xiaoguang.wang@linux.alibaba.com fp:SMTPD_---0V7W7z1S_1647597348) by smtp.aliyun-inc.com(127.0.0.1); Fri, 18 Mar 2022 17:55:49 +0800 From: Xiaoguang Wang To: linux-mm@kvack.org, target-devel@vger.kernel.org, linux-scsi@vger.kernel.org Cc: linux-block@vger.kernel.org, xuyu@linux.alibaba.com, bostroesser@gmail.com, Xiaoguang Wang Subject: [RFC 2/3] mm: export zap_page_range() Date: Fri, 18 Mar 2022 17:55:30 +0800 Message-Id: <20220318095531.15479-3-xiaoguang.wang@linux.alibaba.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20220318095531.15479-1-xiaoguang.wang@linux.alibaba.com> References: <20220318095531.15479-1-xiaoguang.wang@linux.alibaba.com> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: A76F9140022 X-Stat-Signature: ny9c3hu1echzmpm7fdajwnn3bamnzxfr X-Rspam-User: Authentication-Results: imf09.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=alibaba.com; spf=pass (imf09.hostedemail.com: domain of xiaoguang.wang@linux.alibaba.com designates 115.124.30.43 as permitted sender) smtp.mailfrom=xiaoguang.wang@linux.alibaba.com X-HE-Tag: 1647597352-647890 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000006, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Module target_core_user will use it to implement zero copy feature. Signed-off-by: Xiaoguang Wang --- mm/memory.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/memory.c b/mm/memory.c index 1f745e4d11c2..9974d0406dad 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1664,6 +1664,7 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long start, mmu_notifier_invalidate_range_end(&range); tlb_finish_mmu(&tlb); } +EXPORT_SYMBOL_GPL(zap_page_range); /** * zap_page_range_single - remove user pages in a given range -- 2.14.4.44.g2045bb6