From patchwork Tue May 18 07:20:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 12263931 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=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, 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 1FF97C43461 for ; Tue, 18 May 2021 07:21:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B1AEF6135B for ; Tue, 18 May 2021 07:21:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B1AEF6135B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 432118E0014; Tue, 18 May 2021 03:21:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3E25D8E000C; Tue, 18 May 2021 03:21:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 20DDE8E0014; Tue, 18 May 2021 03:21:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0157.hostedemail.com [216.40.44.157]) by kanga.kvack.org (Postfix) with ESMTP id E112F8E000C for ; Tue, 18 May 2021 03:21:03 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 86997180AD830 for ; Tue, 18 May 2021 07:21:03 +0000 (UTC) X-FDA: 78153505206.03.F605941 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf20.hostedemail.com (Postfix) with ESMTP id CEDEFF7 for ; Tue, 18 May 2021 07:21:02 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id D22F961354; Tue, 18 May 2021 07:20:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621322462; bh=md5mw3JUxzbtFFaaDyyGq19iUCguUIMuIFvGTOhePfw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P3a06ZJvRz46kFMWg9pf/IOA57egQ4wI4Y69wTSENf0rhnnoM1Z1TFAYh++bdWLkO l37aYiW/A19EiugDX/o+LTgeqNGZkGfpYZ8dsPIo4w7OfAN3GOzpk39b+YUTbQOFFD bHM8C5jkExlpXHUfQyAYCDnuTkKf+0hH5Ia/huO48ztdE2CTC8xeFt/hOJ44BoBK2r suvk4iWxgOEuQIkvkNfZCJi1YFWTfWWhU4hhk+jrQRe0cbmxPzaasQqBdo0eE5MJs8 eDY5z1K7TwGmk5h3yoUPMEXy36XzNRB7ph+/3fCIokWZmcS+j+jB/l83bRiAFAb52m Fzfz3N3IoPG2Q== From: Mike Rapoport To: Andrew Morton Cc: Alexander Viro , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , David Hildenbrand , Elena Reshetova , "H. Peter Anvin" , Hagen Paul Pfeifer , Ingo Molnar , James Bottomley , James Bottomley , Kees Cook , "Kirill A. Shutemov" , Matthew Wilcox , Matthew Garrett , Mark Rutland , Michal Hocko , Mike Rapoport , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , "Rafael J. Wysocki" , Rick Edgecombe , Roman Gushchin , Shakeel Butt , Shuah Khan , Thomas Gleixner , Tycho Andersen , Will Deacon , Yury Norov , linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org Subject: [PATCH v20 1/7] mmap: make mlock_future_check() global Date: Tue, 18 May 2021 10:20:28 +0300 Message-Id: <20210518072034.31572-2-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210518072034.31572-1-rppt@kernel.org> References: <20210518072034.31572-1-rppt@kernel.org> MIME-Version: 1.0 Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=P3a06ZJv; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf20.hostedemail.com: domain of rppt@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=rppt@kernel.org X-Stat-Signature: fk6nw87pnjpwgww9ohdygmew9r5m9ekw X-Rspamd-Queue-Id: CEDEFF7 X-Rspamd-Server: rspam02 X-HE-Tag: 1621322462-314332 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: Mike Rapoport It will be used by the upcoming secret memory implementation. Signed-off-by: Mike Rapoport Reviewed-by: David Hildenbrand Acked-by: James Bottomley Cc: Alexander Viro Cc: Andy Lutomirski Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Catalin Marinas Cc: Christopher Lameter Cc: Dan Williams Cc: Dave Hansen Cc: David Hildenbrand Cc: Elena Reshetova Cc: Hagen Paul Pfeifer Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: James Bottomley Cc: "Kirill A. Shutemov" Cc: Mark Rutland Cc: Matthew Wilcox Cc: Michael Kerrisk Cc: Palmer Dabbelt Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Peter Zijlstra Cc: Rick Edgecombe Cc: Roman Gushchin Cc: Shakeel Butt Cc: Shuah Khan Cc: Thomas Gleixner Cc: Tycho Andersen Cc: Will Deacon --- 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 54bd0dc2c23c..46eb82eaa195 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -373,6 +373,9 @@ 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 0584e540246e..81f5595a8490 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1352,9 +1352,8 @@ 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;