From patchwork Mon Feb 8 08:49:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 12074365 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=-19.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 54AB3C43381 for ; Mon, 8 Feb 2021 08:53:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02AA864E92 for ; Mon, 8 Feb 2021 08:53:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230247AbhBHIxY (ORCPT ); Mon, 8 Feb 2021 03:53:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:42178 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230396AbhBHIuz (ORCPT ); Mon, 8 Feb 2021 03:50:55 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2AF2264E8B; Mon, 8 Feb 2021 08:49:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612774200; bh=iee2dGZmaG4EKHM9QU8vrsOr5P0gX21AcMxI1zm4D/0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DNV/RxwtFv72Qaelz4AAKxK8z+dz0PjIGsnq95n5dd3yha7W96yd8XZSlnRhClIJH sp7nS+U5FWmhehwN/5+Kl3QbGG1ukCDkg3DTf+UyT4V/0y+Q7kp8wem1KxwBFtoNNW 14M7nrT/60RyVmmGSGI/K3GYlwpsRZ0Z+Wr62RPqAHHj3zlLWmOKXtCYmySc830/Rl RzX0BlyQUfYwtSh1O5aFd63QOKMOUEDkLqh5OOtf+Ya7mBeepdILrQ1rvLAEukAAfK VtEmmO0KWoVPYv2gr9t020bQoCOl63Qp4hle5kRqT9LFrmW1FKGoTlEFYCJ0UbwiaP pMDJxs7sDeGUQ== 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" , Ingo Molnar , James Bottomley , "Kirill A. Shutemov" , Matthew Wilcox , Mark Rutland , Michal Hocko , Mike Rapoport , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Rick Edgecombe , Roman Gushchin , Shakeel Butt , Shuah Khan , Thomas Gleixner , Tycho Andersen , Will Deacon , 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, Hagen Paul Pfeifer , Palmer Dabbelt Subject: [PATCH v17 02/10] mmap: make mlock_future_check() global Date: Mon, 8 Feb 2021 10:49:12 +0200 Message-Id: <20210208084920.2884-3-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210208084920.2884-1-rppt@kernel.org> References: <20210208084920.2884-1-rppt@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Mike Rapoport It will be used by the upcoming secret memory implementation. Signed-off-by: Mike Rapoport 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 9902648f2206..8e9c660f33ca 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -353,6 +353,9 @@ 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 28ef5e29152a..10b9b8b88913 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1346,9 +1346,8 @@ 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;