Message ID | 20190808061756.19712-11-alex@ghiti.fr (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D29B113AC for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 8 Aug 2019 06:29:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF25D28726 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 8 Aug 2019 06:29:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AF3EB28ABC; Thu, 8 Aug 2019 06:29:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 847C428726 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 8 Aug 2019 06:29:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A94DB6B0006; Thu, 8 Aug 2019 02:29:02 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id A456D6B000A; Thu, 8 Aug 2019 02:29:02 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 90E796B000C; Thu, 8 Aug 2019 02:29:02 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by kanga.kvack.org (Postfix) with ESMTP id 451516B0006 for <linux-mm@kvack.org>; Thu, 8 Aug 2019 02:29:02 -0400 (EDT) Received: by mail-ed1-f70.google.com with SMTP id y3so57559516edm.21 for <linux-mm@kvack.org>; Wed, 07 Aug 2019 23:29:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=CozSP8ClhxqYRnTVyauC5EuB32xQZZhYjVFYo6YFdyo=; b=FoY0IiLGB1bYx8NiCSWkq7n+dpT6S/Kb8TFTUfNsepCuWxCU7KmbosHMR5pqaZPBaI GHGk8mVNvpqtaB4eaw1MCHyZMdqAe8ITKvMxR0Wk8Zaw+YotDqy/bz+bVZxiq0uvaHIv IsQftsZzeuAmU2k6xc+NJysuKodtryZYQ0rabklWzajx3WSVR/nFvcqXsO2mHLRYYX2+ OCFhyG31xDtaBH01sI+Rs/gAPXBwSKco88Nci/+37+kt8emuAp9fIm9VokGDm4wrxz5Z zDFFHr5xTiTF8R9lpNPpULl+CckuFuRo0L4Db2mFgIOJhGTKhTjwEYEU8OnXt9E+eahz On7A== X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 217.70.183.195 is neither permitted nor denied by best guess record for domain of alex@ghiti.fr) smtp.mailfrom=alex@ghiti.fr X-Gm-Message-State: APjAAAUQwCJqKfIK2VW9mnjh2tbrG44mmPf8se1UrXDrYXXvjrihE7Rx v31TDk8F+bdYSQZHzkBViiWWCnPaQe+V71H872TfCqe3WsPqgXxjBflbpDSksKEVW0qdXOfZRg+ LCCTxpSEb+mhafHAxmHjnFph/uikXqNplIn+NnxvQN/Qv7sQVtrFWjcTg4BLLEyw= X-Received: by 2002:a50:f5f5:: with SMTP id x50mr13667990edm.89.1565245741871; Wed, 07 Aug 2019 23:29:01 -0700 (PDT) X-Google-Smtp-Source: APXvYqyF2uaeEPrwm3AbvmJYHgzOyOtuEKxeZNK+WVPrpE1r1AvKzsNsNReg051sx0pHDGy+pzxD X-Received: by 2002:a50:f5f5:: with SMTP id x50mr13667950edm.89.1565245741179; Wed, 07 Aug 2019 23:29:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565245741; cv=none; d=google.com; s=arc-20160816; b=Jij1u8rHyMeL/LhOP8IKbehQbbeWCk4jVZJrAtB0FRHpCPzl8etBeyvP1Ls8A89TWF aZmxdIev9bgIckW/nScNgGzRUyPwX6zM5W5DbyMfJAf8tFkOybAGjHoOUdfk8g9G0VeE y0G7usFH5y7O38rDfi/3okakkzdQuLxMLxKHqxvU0O4ld/tp7yXfKoFqBeGP68GSw+Gb A0s4NGII8iKHiR3NW0jMhaZtlmw3KqFDlJdLVgCrb07nWMIBL7UBtUS51IYbWqZ/wbXf pk5/A2eRsAZg1qbbb9JC1ZyXA/VxiXUsMOYEqWw1cV1fo6ioi0EgE83mUX/n7+Oo/PuG EktQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=CozSP8ClhxqYRnTVyauC5EuB32xQZZhYjVFYo6YFdyo=; b=uura6PTn8hW5fGJXX3m/v1rRDOZyUcFQHKjlGB9t4jpz0r8Lb12boArjNgrsKU5BJ3 ioF/ap/fuRy8YF93EedxJUoMxIdRcCC98bLx4do9CTPyQd1/8Vtjdn/bnOqaDXrJ1C+K EMoZuNT+det6E40dN1yXty17EQuzqQ0wBxu0tnQ3VHUPVylyO8hrKw/IYNCitLZyw+/A XoRWRqoGL8C+qMWHrRugqf5i5t6JzY6rKKjAAT3ECFWQCWgstudUxgTOIL/8Pjx5xEcg s5+QMAbWlw5Xb4IFUaBUQfyzYk4oIwoABtzxgywJQrFcV58TteIb19yhiXYk3D32R1En g5kA== ARC-Authentication-Results: i=1; mx.google.com; spf=neutral (google.com: 217.70.183.195 is neither permitted nor denied by best guess record for domain of alex@ghiti.fr) smtp.mailfrom=alex@ghiti.fr Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net. [217.70.183.195]) by mx.google.com with ESMTPS id x7si34915645edm.177.2019.08.07.23.29.01 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 07 Aug 2019 23:29:01 -0700 (PDT) Received-SPF: neutral (google.com: 217.70.183.195 is neither permitted nor denied by best guess record for domain of alex@ghiti.fr) client-ip=217.70.183.195; Authentication-Results: mx.google.com; spf=neutral (google.com: 217.70.183.195 is neither permitted nor denied by best guess record for domain of alex@ghiti.fr) smtp.mailfrom=alex@ghiti.fr X-Originating-IP: 79.86.19.127 Received: from alex.numericable.fr (127.19.86.79.rev.sfr.net [79.86.19.127]) (Authenticated sender: alex@ghiti.fr) by relay3-d.mail.gandi.net (Postfix) with ESMTPSA id A498660009; Thu, 8 Aug 2019 06:28:56 +0000 (UTC) From: Alexandre Ghiti <alex@ghiti.fr> To: Andrew Morton <akpm@linux-foundation.org> Cc: Paul Walmsley <paul.walmsley@sifive.com>, Luis Chamberlain <mcgrof@kernel.org>, Christoph Hellwig <hch@lst.de>, Russell King <linux@armlinux.org.uk>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Ralf Baechle <ralf@linux-mips.org>, Paul Burton <paul.burton@mips.com>, James Hogan <jhogan@kernel.org>, Palmer Dabbelt <palmer@sifive.com>, Albert Ou <aou@eecs.berkeley.edu>, Alexander Viro <viro@zeniv.linux.org.uk>, Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Alexandre Ghiti <alex@ghiti.fr> Subject: [PATCH v6 10/14] mips: Use STACK_TOP when computing mmap base address Date: Thu, 8 Aug 2019 02:17:52 -0400 Message-Id: <20190808061756.19712-11-alex@ghiti.fr> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190808061756.19712-1-alex@ghiti.fr> References: <20190808061756.19712-1-alex@ghiti.fr> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
Provide generic top-down mmap layout functions
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expand
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diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c index f5c778113384..a7e84b2e71d7 100644 --- a/arch/mips/mm/mmap.c +++ b/arch/mips/mm/mmap.c @@ -22,7 +22,7 @@ EXPORT_SYMBOL(shm_align_mask); /* gap between mmap and stack */ #define MIN_GAP (128*1024*1024UL) -#define MAX_GAP ((TASK_SIZE)/6*5) +#define MAX_GAP ((STACK_TOP)/6*5) #define STACK_RND_MASK (0x7ff >> (PAGE_SHIFT - 12)) static int mmap_is_legacy(struct rlimit *rlim_stack) @@ -54,7 +54,7 @@ static unsigned long mmap_base(unsigned long rnd, struct rlimit *rlim_stack) else if (gap > MAX_GAP) gap = MAX_GAP; - return PAGE_ALIGN(TASK_SIZE - gap - rnd); + return PAGE_ALIGN(STACK_TOP - gap - rnd); } #define COLOUR_ALIGN(addr, pgoff) \