From patchwork Mon Oct 26 08:37:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11856043 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 34F2F157C for ; Mon, 26 Oct 2020 08:38:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19EB5223B0 for ; Mon, 26 Oct 2020 08:38:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603701516; bh=6Unb/bgrma45bqFGeLstRI/KgoGYhWv2GwrnA2SWP34=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IS+5psIn637ctYUroE5QkbuSyELC9F597wRT2FriCeRTmaZVdeKCsZP5S7ERaSDMo 7b6NFEDYDf5ZsFNrFOAwkzmhlD7mOXo3jPDLMcGbT/8jzC0/aq9ROVd1Nz9bvoYRoG e3IvwSA1aPoggR3NuE/zzbQ8gwxme/T7EnSaFdi8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1771849AbgJZIif (ORCPT ); Mon, 26 Oct 2020 04:38:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:48216 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1771843AbgJZIic (ORCPT ); Mon, 26 Oct 2020 04:38:32 -0400 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 437EB22409; Mon, 26 Oct 2020 08:38:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603701511; bh=6Unb/bgrma45bqFGeLstRI/KgoGYhWv2GwrnA2SWP34=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e1RL1x6NGZqKZJUzU4OhS1j9WKiVw40neaVAtRFcDgGFWqvE/GjjJJWn2l1zpIMCH bEP1XnRxeZ9q/0TpTxi+wg9IG5jWyZe1TGHnIA6+6QAgYMldh6yYt73essz+mAls96 kOTmhPMtvK4jmqH3OjUj3q6fpS1ygyEQnz52eBo8= 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 , Mike Rapoport , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Rick Edgecombe , 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 Subject: [PATCH v7 2/7] mmap: make mlock_future_check() global Date: Mon, 26 Oct 2020 10:37:47 +0200 Message-Id: <20201026083752.13267-3-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201026083752.13267-1-rppt@kernel.org> References: <20201026083752.13267-1-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 --- 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 d91ecb00d38c..d166ad427882 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;