From patchwork Thu May 13 18:47:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 12256251 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=-19.7 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=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 94F1EC43462 for ; Thu, 13 May 2021 18:48:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 387686140C for ; Thu, 13 May 2021 18:48:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231717AbhEMStM (ORCPT ); Thu, 13 May 2021 14:49:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:41118 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231709AbhEMStL (ORCPT ); Thu, 13 May 2021 14:49:11 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6ECD5613F7; Thu, 13 May 2021 18:47:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620931681; bh=Xjs/+IJYgGP9JO5LFAahNlRS2obhEsa56sl6FC9Cy6Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HtFi2YVgXfCQTLRCZzZmp6EpNpPbzcG9X8o558JR7jk8bujJkksI+h6JbOqgsnKkw PM5NEA6ws0tU1bhsd5HXZ39uFhPrdsig3zdZu0+OBb7wHYZYWGEmUzZaG27e1tFF/L 3T2r/R7wkz1dZqA2kzm/eui05Qgoyn1K9+VEDXPYxXpCUEPSWaV8ZzjSQMM1CIvK5y U5mIQ91bSRWYlACU3u4GiC95jeuJrVN8oUbAraAOCsymJ/+RM/rr51s8VvDWZU74Cn DcGSskZDhFFUbUhOvLWLjUQCPnwpBtWfmhHV+AY2R4fmcXkONe7H0m4TpKlHKL94Mw UVlVoVlUQZXyA== 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 , 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 v19 1/8] mmap: make mlock_future_check() global Date: Thu, 13 May 2021 21:47:27 +0300 Message-Id: <20210513184734.29317-2-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210513184734.29317-1-rppt@kernel.org> References: <20210513184734.29317-1-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 Reviewed-by: David Hildenbrand --- 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;