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 A4081C6FD1C for ; Thu, 23 Mar 2023 10:53:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0C6A46B0072; Thu, 23 Mar 2023 06:53:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 04F726B0074; Thu, 23 Mar 2023 06:52:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E347D6B0075; Thu, 23 Mar 2023 06:52:59 -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 D0D2C6B0072 for ; Thu, 23 Mar 2023 06:52:59 -0400 (EDT) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 636241A06EC for ; Thu, 23 Mar 2023 10:52:59 +0000 (UTC) X-FDA: 80599850478.23.5671C7C Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf30.hostedemail.com (Postfix) with ESMTP id DBEA380008 for ; Thu, 23 Mar 2023 10:52:56 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; 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 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1679568777; 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:references; bh=2d6dxLGGjqhLXB+pdlxEO3+cNXk/Scce6giMJdzbTR0=; b=QOEsUjzySvX1q+X+MSyvYmv82f4pWE3hCHL8UQgrwLciF+Udem0L1fk2nMTl/3fs4kl78F ZyA/Z0dFtNU7OSCt54vvlhx3WQ1k882NnxBV8UH5lDQ4KSgkKczIpLYEv7e0Dw7YG8Sj1x zxz4ua7cPIegs/JYQE+XnDweDKp/OzQ= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; 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 ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1679568777; a=rsa-sha256; cv=none; b=lA3YtgA1h9jfGmUPMHOeiW/D/sWFrW6C596pyllsTTAmj1yNT4k6sTzTyHkyVYYOZo1ozM +5UUaSjaAu4ev0q6oWV1Hl72n2ifRqjisqP/eLCjiBV60sD9tJxksYYTOBlZLXaEuiiUrh X9ntFpS7ypeWpOPBHDi+zfypTmu2uuU= 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 D4BE24B3; Thu, 23 Mar 2023 03:53:39 -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 45A803F766; Thu, 23 Mar 2023 03:52:53 -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 0/5] selftests/mm: Implement support for arm64 on va Date: Thu, 23 Mar 2023 16:22:38 +0530 Message-Id: <20230323105243.2807166-1-chaitanyas.prakash@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: DBEA380008 X-Stat-Signature: e4q5honzyzi4ompkz1gd4n63wauboons X-HE-Tag: 1679568776-301716 X-HE-Meta: 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 pZ2dxlwJ 6G9VA2BNxrwfIb+lFTuAakOgEjwYWv/WLmxgP/JQDf/plv1t5Vn6dBE1gTPN7HPSKMFBNFMgJlsbaGEi2OqIK2D8xBi+EMJPIb+I8fEm2sE/CvSVC5mNjdL897WVGl16VPbQyUGo/Lz912ie9GROfh2Apram0bUliImt9xtUpOOmqH5nwvyfP/dxlmQCjk1GeY1vRm4xrX/WXRUUmT3oaLmw+XnfLbq2OD4kb6gVnomCnfcsE/VlgZ/ZftXBtRquR4aAL+6RNUBn40/xNH5zM0MlYXzgepCAttu5HLyLQ+JoJkB+SQEqVX7gcaFHfESHasyg0CqxdPF4lhgD4m37rHe5DzA== 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: The va_128TBswitch selftest is designed and implemented for PowerPC and x86 architectures which support a 128TB switch, up to 256TB of virtual address space and hugepage sizes of 16MB and 2MB respectively. Arm64 platforms on the other hand support a 256Tb switch, up to 4PB of virtual address space and a default hugepage size of 512MB when 64k pagesize is enabled. These architectural differences require introducing support for arm64 platforms, after which a more generic naming convention is suggested. The in code comments are amended to provide a more platform independent explanation of the working of the code and nr_hugepages are configured as required. Finally, the file running the testcase is modified in order to prevent skipping of hugetlb testcases of va_high_addr_switch. This series has been tested on 6.3.0-rc3 kernel, both on arm64 and x86 platforms. 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 Chaitanya S Prakash (5): selftests/mm: Add support for arm64 platform on va switch selftests/mm: Rename va_128TBswitch to va_high_addr_switch selftests/mm: Add platform independent in code comments selftests/mm: Configure nr_hugepages for arm64 selftests/mm: Run hugetlb testcases of va switch tools/testing/selftests/mm/Makefile | 4 +- tools/testing/selftests/mm/run_vmtests.sh | 12 +++++- ...va_128TBswitch.c => va_high_addr_switch.c} | 41 +++++++++++++++---- ..._128TBswitch.sh => va_high_addr_switch.sh} | 6 ++- 4 files changed, 49 insertions(+), 14 deletions(-) rename tools/testing/selftests/mm/{va_128TBswitch.c => va_high_addr_switch.c} (86%) rename tools/testing/selftests/mm/{va_128TBswitch.sh => va_high_addr_switch.sh} (89%) -- 2.30.2