From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C89FC6FD1D for ; Thu, 23 Mar 2023 10:53:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 02ABF6B0074; Thu, 23 Mar 2023 06:53:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EF7646B0075; Thu, 23 Mar 2023 06:53:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D96F76B0078; Thu, 23 Mar 2023 06:53:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id CA5CA6B0074 for ; Thu, 23 Mar 2023 06:53:01 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 97D53406AE for ; Thu, 23 Mar 2023 10:53:01 +0000 (UTC) X-FDA: 80599850562.04.05876BE Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf30.hostedemail.com (Postfix) with ESMTP id D4B2A80017 for ; Thu, 23 Mar 2023 10:52:59 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=none; spf=pass (imf30.hostedemail.com: domain of chaitanyas.prakash@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=chaitanyas.prakash@arm.com; dmarc=pass (policy=none) header.from=arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1679568779; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=r/ISCCsIqrePl8Kn4ucosG1PVhqt3avVWO+jFSTSvgs=; b=gha6kfGVlTXzNCOFXqUWRlkXx3mEi5bmDsrMdmAFuxNIi+72rykc0CAaidWti+xC4cdrY+ Keptgy4vUCPe8f13hFmgtYLwYOHA5T5TIKi0ANkqEZmVuhKoeSHdHjqx+Ni9xx87T6lK8+ ZHl7z4MtJimIczLOHNDLt8QIWVkzp8I= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=none; spf=pass (imf30.hostedemail.com: domain of chaitanyas.prakash@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=chaitanyas.prakash@arm.com; dmarc=pass (policy=none) header.from=arm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1679568779; a=rsa-sha256; cv=none; b=MNTTJ94lk99NbfGFMDT1xYpq/jF9+KkAC9VnnbmG474vZKfrgUnkaqh8Ixzp3VzPfeTEiY vZtwZuk2UONvsalBQy678NJ6YxZmiu39jK0PIKTDIVg+rQyuUhDh1eD7HVv5MkrAsls+1W ipv8Q/XnSFxsc6wtNwQeSqkDB9Nc/eE= Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E85ECAD7; Thu, 23 Mar 2023 03:53:42 -0700 (PDT) Received: from a077209.blr.arm.com (a077209.arm.com [10.162.40.145]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 6323E3F766; Thu, 23 Mar 2023 03:52:56 -0700 (PDT) From: Chaitanya S Prakash To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Chaitanya S Prakash , Andrew Morton , "Aneesh Kumar K . V" , "Kirill A . Shutemov" , Shuah Khan , linux-kselftest@vger.kernel.org Subject: [PATCH 1/5] selftests/mm: Add support for arm64 platform on va switch Date: Thu, 23 Mar 2023 16:22:39 +0530 Message-Id: <20230323105243.2807166-2-chaitanyas.prakash@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230323105243.2807166-1-chaitanyas.prakash@arm.com> References: <20230323105243.2807166-1-chaitanyas.prakash@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: f1rzaih5ncexpamxxyybd5bntfsy4ogh X-Rspam-User: X-Rspamd-Queue-Id: D4B2A80017 X-Rspamd-Server: rspam06 X-HE-Tag: 1679568779-96091 X-HE-Meta: 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 dFMp1RTF FGDGS+vvhYbMTQ2LUbK8oXdUgiC9HZcfXHlbJGgsIDaTNk1hLc1mfUGy31KvKlGKkRSXoNe7HfhBE/3WmpOa7iWYFkHSCv0wucIVFX+ghxDb/yCA6dLR5P6OZOdgcMdlOrAw/Dt+C6v9RweRLnvzVe6+nOSWwVxtRRCsASD2RE/OqSCH+DcWMtUw2YIli/FxKYXVoiKq3ntC3k0vmZCKhK5C22G68Dz8BXVzlfHfcfOX/2UIbFvoX+w6QMCg61QFJMYPEnQgZEC4d3iKknAI55CP3ltV+5euLDzZxdn77NjYr2FXpYfHnlyEeB/5FOo5OFfnCWdTo8mkS8f63AUNcT1mAZ8o01rtXSA+Qu5+aFxEdIFXwHB4xUDpJ6gGu1RGK1eL2vQBGqj2wx18= 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: Arm64 platforms have the ability to support 64kb pagesize, 512MB default hugepage size and up to 4PB of virtual address space. The address switch occurs at 256TB as opposed to 128TB. Hence, the necessary support has been added. Cc: Andrew Morton Cc: Aneesh Kumar K.V Cc: Kirill A. Shutemov Cc: Shuah Khan Cc: linux-mm@kvack.org Cc: linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Chaitanya S Prakash --- tools/testing/selftests/mm/va_128TBswitch.c | 26 +++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/mm/va_128TBswitch.c b/tools/testing/selftests/mm/va_128TBswitch.c index 1d2068989883..6679213effed 100644 --- a/tools/testing/selftests/mm/va_128TBswitch.c +++ b/tools/testing/selftests/mm/va_128TBswitch.c @@ -17,6 +17,13 @@ * This will work with 16M and 2M hugepage size */ #define HUGETLB_SIZE (16 << 20) +#elif __aarch64__ +/* + * The default hugepage size for 64k base pagesize + * is 512MB. + */ +#define PAGE_SIZE (64 << 10) +#define HUGETLB_SIZE (512 << 20) #else #define PAGE_SIZE (4 << 10) #define HUGETLB_SIZE (2 << 20) @@ -26,9 +33,22 @@ * >= 128TB is the hint addr value we used to select * large address space. */ -#define ADDR_SWITCH_HINT (1UL << 47) + +#define ADDR_MARK_128TB (1UL << 47) +#define ADDR_MARK_256TB (1UL << 48) + +#define HIGH_ADDR_128TB ((void *) (1UL << 48)) +#define HIGH_ADDR_256TB ((void *) (1UL << 49)) + #define LOW_ADDR ((void *) (1UL << 30)) -#define HIGH_ADDR ((void *) (1UL << 48)) + +#ifdef __aarch64__ +#define ADDR_SWITCH_HINT ADDR_MARK_256TB +#define HIGH_ADDR HIGH_ADDR_256TB +#else +#define ADDR_SWITCH_HINT ADDR_MARK_128TB +#define HIGH_ADDR HIGH_ADDR_128TB +#endif struct testcase { void *addr; @@ -270,6 +290,8 @@ static int supported_arch(void) return 1; #elif defined(__x86_64__) return 1; +#elif defined(__aarch64__) + return 1; #else return 0; #endif -- 2.30.2