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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 8166AC3F2D7 for ; Tue, 3 Mar 2020 12:15:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5983520866 for ; Tue, 3 Mar 2020 12:15:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="S6svj5FP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729181AbgCCMPB (ORCPT ); Tue, 3 Mar 2020 07:15:01 -0500 Received: from smtp-fw-9101.amazon.com ([207.171.184.25]:15259 "EHLO smtp-fw-9101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727779AbgCCMPB (ORCPT ); Tue, 3 Mar 2020 07:15:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1583237700; x=1614773700; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=kAdTeVn39NF6MtyWxbSfFrMuEluavNfxQ8uqZzEFpes=; b=S6svj5FP6PPgnfWhYC0Rp+TJAyV+krEhNOQ/BkjYlwTB3juGskKikXmb HH9e16kiB7CTRKS3iYHGx2lBSGc8/h/6NNl/7/CrqNya68DOsg0kooGJV mE5tuy3BiqVvCOUI9U1XEbLGPzt/FF6tiELZizzAvOa6J/c8zbeeSTITx o=; IronPort-SDR: GYhfRpBAXYVO5zaZEBDGhb//r+/eULPj9ML7+Z5B7pjOgEjPwezpPUsUMiI2/jMfogAiI69PSW tjAq4D5haDZg== X-IronPort-AV: E=Sophos;i="5.70,511,1574121600"; d="scan'208";a="20475677" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-2b-859fe132.us-west-2.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9101.sea19.amazon.com with ESMTP; 03 Mar 2020 12:14:59 +0000 Received: from EX13MTAUEA002.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2b-859fe132.us-west-2.amazon.com (Postfix) with ESMTPS id 0E54B225990; Tue, 3 Mar 2020 12:14:57 +0000 (UTC) Received: from EX13D31EUA001.ant.amazon.com (10.43.165.15) by EX13MTAUEA002.ant.amazon.com (10.43.61.77) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Tue, 3 Mar 2020 12:14:56 +0000 Received: from u886c93fd17d25d.ant.amazon.com (10.43.160.16) by EX13D31EUA001.ant.amazon.com (10.43.165.15) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 3 Mar 2020 12:14:44 +0000 From: SeongJae Park To: CC: SeongJae Park , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [RFC v4 1/7] mm/madvise: Export madvise_common() to mm internal code Date: Tue, 3 Mar 2020 13:14:00 +0100 Message-ID: <20200303121406.20954-2-sjpark@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200303121406.20954-1-sjpark@amazon.com> References: <20200303121406.20954-1-sjpark@amazon.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.43.160.16] X-ClientProxiedBy: EX13D22UWB002.ant.amazon.com (10.43.161.28) To EX13D31EUA001.ant.amazon.com (10.43.165.15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: SeongJae Park This commit exports ``madvise_common()`` to ``mm/`` code for future reuse. Signed-off-by: SeongJae Park --- mm/internal.h | 4 ++++ mm/madvise.c | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/mm/internal.h b/mm/internal.h index 3cf20ab3ca01..dcdfe00e02ff 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -576,4 +576,8 @@ static inline bool is_migrate_highatomic_page(struct page *page) void setup_zone_pageset(struct zone *zone); extern struct page *alloc_new_node_page(struct page *page, unsigned long node); + + +int madvise_common(struct task_struct *task, struct mm_struct *mm, + unsigned long start, size_t len_in, int behavior); #endif /* __MM_INTERNAL_H */ diff --git a/mm/madvise.c b/mm/madvise.c index 0c901de531e4..4fa9dfc770bc 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -1005,7 +1005,7 @@ madvise_behavior_valid(int behavior) * @task could be a zombie leader if it calls sys_exit so accessing mm_struct * via task->mm is prohibited. Please use @mm instead of task->mm. */ -static int madvise_common(struct task_struct *task, struct mm_struct *mm, +int madvise_common(struct task_struct *task, struct mm_struct *mm, unsigned long start, size_t len_in, int behavior) { unsigned long end, tmp; @@ -1103,6 +1103,7 @@ static int madvise_common(struct task_struct *task, struct mm_struct *mm, return error; } +EXPORT_SYMBOL_GPL(madvise_common); /* * The madvise(2) system call. -- 2.17.1