From patchwork Tue Nov 17 16:29:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11912805 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 67D55C5519F for ; Tue, 17 Nov 2020 16:30:35 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D319524248 for ; Tue, 17 Nov 2020 16:30:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Mt3KMAJN"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="sGRPBIJv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D319524248 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3G1VT36SF/Knf2F7P4TlNXUhAvo7LSDHksdmcVg7y90=; b=Mt3KMAJNpHcc66nBg6XulDsZG TgYQqSm68/DGr2p/Oj82sEiMrbvRFUauU0WqOiYlho7eb+kBWumF89QjIgl1BR+sZ/kQNGNY0+HlI I8a0eQDU5M28eXqDntgNae/UicD3lYk5ji4qiNdvlOtxo9D80E9dD0ycef5oFpVI0tz59mySzn/Qc 0B2lm2ZIjJSC7kJ1UXQj09Pc78FuW7KcH2s1mXgFO24HwYqyMn/7C8Re6mHZeFqslOKKoR70P7TwJ 4+KdvXcoGB8eCoGeJ2X2Gx9spFjZtvDvZplUOBFyarDtX1xpayUsKL0brTqfUMHvHIvX7/Mt02K9B du2yp0xaw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kf3sA-0002wf-2d; Tue, 17 Nov 2020 16:30:26 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kf3ru-0002qm-4F; Tue, 17 Nov 2020 16:30:12 +0000 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2D43824655; Tue, 17 Nov 2020 16:29:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605630609; bh=gq/nxZiYj8wSo5fHYvxwQbeui4caUA+z/EhI20F60d0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sGRPBIJv+ZgS6mjkLQwnxsAcPkP9LkQEf+ow3Yo42TGFB8TSIDXy9OL42E/RCEKUF wYSn8C4kOBGosvnX0EXfMaYJ9q0BjnT9yGZ0eePrjYaHUDZX0yEOF8LkGRcCKPymbo KfDGRemDLzJKaJHar5OwoEZ2fKmmWhcen1CcRL1U= From: Mike Rapoport To: Andrew Morton Subject: [PATCH v9 2/9] mmap: make mlock_future_check() global Date: Tue, 17 Nov 2020 18:29:25 +0200 Message-Id: <20201117162932.13649-3-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201117162932.13649-1-rppt@kernel.org> References: <20201117162932.13649-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201117_113010_422848_B75A11FB X-CRM114-Status: GOOD ( 16.80 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , David Hildenbrand , Peter Zijlstra , Catalin Marinas , Dave Hansen , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, "H. Peter Anvin" , Christopher Lameter , Shuah Khan , Thomas Gleixner , Elena Reshetova , linux-arch@vger.kernel.org, Tycho Andersen , linux-nvdimm@lists.01.org, Will Deacon , x86@kernel.org, Matthew Wilcox , Mike Rapoport , Ingo Molnar , Michael Kerrisk , Arnd Bergmann , James Bottomley , Borislav Petkov , Alexander Viro , Andy Lutomirski , Paul Walmsley , "Kirill A. Shutemov" , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Palmer Dabbelt , linux-fsdevel@vger.kernel.org, Rick Edgecombe , Roman Gushchin , Mike Rapoport Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Mike Rapoport It will be used by the upcoming secret memory implementation. Signed-off-by: Mike Rapoport --- mm/internal.h | 3 +++ mm/mmap.c | 5 ++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/mm/internal.h b/mm/internal.h index c43ccdddb0f6..ae146a260b14 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -348,6 +348,9 @@ static inline void munlock_vma_pages_all(struct vm_area_struct *vma) extern void mlock_vma_page(struct page *page); extern unsigned int munlock_vma_page(struct page *page); +extern int mlock_future_check(struct mm_struct *mm, unsigned long flags, + unsigned long len); + /* * Clear the page's PageMlocked(). This can be useful in a situation where * we want to unconditionally remove a page from the pagecache -- e.g., diff --git a/mm/mmap.c b/mm/mmap.c index 61f72b09d990..c481f088bd50 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1348,9 +1348,8 @@ static inline unsigned long round_hint_to_min(unsigned long hint) return hint; } -static inline int mlock_future_check(struct mm_struct *mm, - unsigned long flags, - unsigned long len) +int mlock_future_check(struct mm_struct *mm, unsigned long flags, + unsigned long len) { unsigned long locked, lock_limit;