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 535EDC6FD1D for ; Thu, 23 Mar 2023 10:53:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E82116B0081; Thu, 23 Mar 2023 06:53:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E0B3F6B0082; Thu, 23 Mar 2023 06:53:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CAC406B0083; Thu, 23 Mar 2023 06:53:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id B71716B0081 for ; Thu, 23 Mar 2023 06:53:10 -0400 (EDT) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 7DDEE1405E3 for ; Thu, 23 Mar 2023 10:53:10 +0000 (UTC) X-FDA: 80599850940.25.EC8F961 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf27.hostedemail.com (Postfix) with ESMTP id D198A4000B for ; Thu, 23 Mar 2023 10:53:08 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf27.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=1679568788; 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=QCFZImWUgF4SzYpd3fS2NuSwTjqijFfXwFN0T87LhhE=; b=MdUFOlA1kDetX+OCtXPI9uj2kUcFL9G9mI6Qwo8YYJ3OZYSSGxNR0KcVDfvp8ugcK7Qp2A aQcMDyyn+W8y61TudNRGzZC4T5YnRcg/ZZhvV5nWQM1jdXWAAfrC927+BOQEA+f3pLnE4K W65gFQGnW2yNKdS+GrpWFQZp+GPWek4= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf27.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=1679568788; a=rsa-sha256; cv=none; b=5lS8hh58hAMiQZpsoh1KRaVnDfFcXY3IqLGFpyJaske43Hh4B6LDgRoAocD+jdx2IG6jYW vbdJGZGLrWqGt7NrnFiLbaOWCNwiOjA7Wi9ZN0PQmV1Lvvxbu0C1nuVD8AK7bkENM5uDMl /MLwNu4MteaXsBmjP3vPwIIWk/C0JlI= 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 2C368AD7; Thu, 23 Mar 2023 03:53:52 -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 9C3873F766; Thu, 23 Mar 2023 03:53:05 -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 4/5] selftests/mm: Configure nr_hugepages for arm64 Date: Thu, 23 Mar 2023 16:22:42 +0530 Message-Id: <20230323105243.2807166-5-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-Rspamd-Queue-Id: D198A4000B X-Stat-Signature: 8tmb1f9bu3ahq9aeexsjq6ci9e8dk18r X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1679568788-89684 X-HE-Meta: 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 OF+PB079 nWGgOZ3M70MEVKrgA0W5dGJh5yy7LqWJEc+HYDgrSSAd81/jrhdjiuRYKeDD07+Yhc3ZEQJhDQ0aeLGufpBQQimN0Fm698ayuG2W9lirhaI4Tsfb2Qb8hkRuLo1gua/LRbHFPi0JN7bYDMa/8zuQhJqcBmV+isNHVKFNtPfR4TmJ0NKihhG5dgImfv5nYt3x21dIUXISZh7sBGgEcBFahDva1+If+UDjJIGMaouEdc433tx52cESLmhqAMr7qQWs/Nzy8/T/8xYSJjvutL6tdpv6xudUKjr2mHE96iu1q3ptqLneYG/YlOoQ/WCxs3mbp02ZG12DGyIV5JhrEus54Z4TlpaxXAIYD2iJ4+r1fg1INuaBFVGBTW4QY1Ho/nF10PXEJ00ihSJfZrLsbQ/1AkC30/xmaw1C8g+qTxPet6v8zzjEBj80/ZBjaFFcdiMFielHI 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 has a default hugepage size of 512MB when CONFIG_ARM64_64K_PAGES=y is enabled. While testing on arm64 platforms having up to 4PB of virtual address space, a minimum of 6 hugepages were required for all test cases to pass. Support for this requirement 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/run_vmtests.sh | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh index eb9823a6959a..7616b3e4a0f0 100644 --- a/tools/testing/selftests/mm/run_vmtests.sh +++ b/tools/testing/selftests/mm/run_vmtests.sh @@ -222,8 +222,16 @@ CATEGORY="hugetlb" run_test ./thuge-gen if [ $VADDR64 -ne 0 ]; then CATEGORY="hugevm" run_test ./virtual_address_range - # virtual address 128TB switch test + # va high address boundary switch test + ARCH_ARM64="arm64" + prev_nr_hugepages=$(cat /proc/sys/vm/nr_hugepages) + if [ "$ARCH" == "$ARCH_ARM64" ]; then + echo 6 > /proc/sys/vm/nr_hugepages + fi CATEGORY="hugevm" run_test ./va_high_addr_switch.sh + if [ "$ARCH" == "$ARCH_ARM64" ]; then + echo $prev_nr_hugepages > /proc/sys/vm/nr_hugepages + fi fi # VADDR64 # vmalloc stability smoke test -- 2.30.2