From patchwork Wed Sep 16 07:35:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11779203 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 961F8112E for ; Wed, 16 Sep 2020 07:36:15 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (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 5DAAC208E4 for ; Wed, 16 Sep 2020 07:36:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="R0SOTHNC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5DAAC208E4 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-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id D040F143F0B63; Wed, 16 Sep 2020 00:36:14 -0700 (PDT) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=rppt@kernel.org; receiver= Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id C2D3F143F0B60 for ; Wed, 16 Sep 2020 00:36:12 -0700 (PDT) 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 A30DC21D1B; Wed, 16 Sep 2020 07:36:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600241772; bh=myvdsYeTVwfevSA9o3DuyixsLzfxCR/KChSuKW5WQjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R0SOTHNCE0m6BH0/ZaBpzddz5BwXTJmu2prbD7R0pgGNmfNd3d8jZFVDCn+X0CY8f EzsD0svKFO2rYc1nH0gRXZuNfM6SPVdaOdDs5t7uyLxWSZd01L33sWUQF0nSDBvlTw vsCZF6Evbl7MSzrx2fX1V0GNfKJ8KE5TOHpyH0+U= From: Mike Rapoport To: Andrew Morton Subject: [PATCH v5 2/5] mmap: make mlock_future_check() global Date: Wed, 16 Sep 2020 10:35:36 +0300 Message-Id: <20200916073539.3552-3-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200916073539.3552-1-rppt@kernel.org> References: <20200916073539.3552-1-rppt@kernel.org> MIME-Version: 1.0 Message-ID-Hash: FRU7W7U22Q3L5OANRFPMVGZPFQ7FA5NC X-Message-ID-Hash: FRU7W7U22Q3L5OANRFPMVGZPFQ7FA5NC X-MailFrom: rppt@kernel.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: Alexander Viro , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dave Hansen , David Hildenbrand , Elena Reshetova , "H. Peter Anvin" , Idan Yaniv , Ingo Molnar , James Bottomley , "Kirill A. Shutemov" , Matthew Wilcox , Mark Rutland , Mike Rapoport , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , 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-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: 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 10c677655912..40544fbf49c9 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -350,6 +350,9 @@ 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 40248d84ad5f..190761920142 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1310,9 +1310,8 @@ 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;