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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8774CE66886 for ; Sun, 21 Dec 2025 04:00:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D0FBC6B0089; Sat, 20 Dec 2025 23:00:49 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CC5F76B008A; Sat, 20 Dec 2025 23:00:49 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BDBF66B008C; Sat, 20 Dec 2025 23:00:49 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id ADDD96B0089 for ; Sat, 20 Dec 2025 23:00:49 -0500 (EST) Received: from smtpin30.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 5656EBB2AC for ; Sun, 21 Dec 2025 04:00:49 +0000 (UTC) X-FDA: 84242127018.30.447CF25 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf23.hostedemail.com (Postfix) with ESMTP id 9345214000F for ; Sun, 21 Dec 2025 04:00:47 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=XfUd+49C; spf=pass (imf23.hostedemail.com: domain of chuhu@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=chuhu@redhat.com; dmarc=pass (policy=quarantine) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1766289647; a=rsa-sha256; cv=none; b=hvgn9EX5SCnX8mNSQxcKVv9bUdbwPFLmSTvTNvc9QmVsl2qE4gUPQTfrLwL7+watN8+fbV qa9fxiQTjKD3zP8oVI0vPHXpDQrdlfDQU7qPn/NSSdV49VijH/+bskc0Qz1t5qAbVOAhvB y/z1BA1QKD7+KVjzKHn5kVCnbQUXbcE= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=XfUd+49C; spf=pass (imf23.hostedemail.com: domain of chuhu@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=chuhu@redhat.com; dmarc=pass (policy=quarantine) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1766289647; 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:dkim-signature; bh=4Iwiwi0KTXOWWtzFhZ5xpfUZeHt5Hce7t6it8UicZpM=; b=dkP4WV4K6DvsZOUZ2o+jhjJGFQSzPAAYvNsBT+qM+bFDRvjiDyRar7aYYFYAfRDKHTmXvZ KVWttp/8gQ28IOJXii8wFcaYccJEkx8gGEkzSR0JaDm/9Gzi3smaHhtLqlAqi8qsRfsfEE M1S9+gqTS1xOcay9gEKA+uDZQj6I7/w= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1766289646; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4Iwiwi0KTXOWWtzFhZ5xpfUZeHt5Hce7t6it8UicZpM=; b=XfUd+49CqWcqOgQREdK1w+O6Wl7oQvJH1THOxPZKwAyz8kOH/oc6tTbiK55CG2gQlQY3RO aVrJHbQNVBGqF2RT0eQf9EyfPM6p/U3UnfH5g2zlIgh5/9jDDM5TtQRgzaO3OhsK/VeQRu dI8lWuoD3KIc+5dE6VvCxa/VjHeWETI= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-451-RWfc8m6_MH2csYwq5VBgKg-1; Sat, 20 Dec 2025 23:00:45 -0500 X-MC-Unique: RWfc8m6_MH2csYwq5VBgKg-1 X-Mimecast-MFC-AGG-ID: RWfc8m6_MH2csYwq5VBgKg_1766289643 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 0F3AE1956088; Sun, 21 Dec 2025 04:00:43 +0000 (UTC) Received: from dell-per7425-02.rhts.eng.pek2.redhat.com (dell-per7425-02.rhts.eng.pek2.redhat.com [10.73.116.18]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 51D1819560B4; Sun, 21 Dec 2025 04:00:36 +0000 (UTC) From: Chunyu Hu To: akpm@linux-foundation.org, david@kernel.org, shuah@kernel.org, linux-mm@kvack.org Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, chuhu@redhat.com, Luiz Capitulino Subject: [PATCH v2 2/5] selftests/mm: allocate 6 hugepages in va_high_addr_switch.sh Date: Sun, 21 Dec 2025 12:00:22 +0800 Message-ID: <20251221040025.3159990-2-chuhu@redhat.com> In-Reply-To: <20251221040025.3159990-1-chuhu@redhat.com> References: <20251221040025.3159990-1-chuhu@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Rspam-User: X-Rspamd-Queue-Id: 9345214000F X-Rspamd-Server: rspam04 X-Stat-Signature: g3i39a7hfzfzoyzrhz7moxxp634rbc3y X-HE-Tag: 1766289647-248451 X-HE-Meta: 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 J1DiMOw0 m+NL/StKwd51T3kadxTPqi2Gt3+0NTo9SjjJNFP4C2iNrEGDWB5x/8+zuyo3o5EqIpQ9HnRm0ErCnIHKirKyohRBCjm2M5U5rYPeYkCJ0JAL/n+O4hdFVt+sot0kAzTFG1pRRvPxcQxQbXfIcvKfe9NH3O5VoDHoSoWTytfuTvVM+1sgalnb1HjpLu64WzKs7l4nTw97n/RTNr+PoFmdDc37cBmn+K40Ya9Z3jP0NKvhBVEsKa/eOKoBRUBHOc7Fq5jNu5xwGzaMZTeV4bwxJRsaPoBOPCyz8GJ4uaW3PJholzbOYUfnNdWpyJ/GtOiDFHOBbPhWg77VmmyKeaDzq3n8t5aBbu4VIq/Vue8AOf2opprkmEXI4cz+CPo8LJCDeAtIi 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: List-Subscribe: List-Unsubscribe: The va_high_addr_switch test requires 6 hugepages, not 5. If running the test directly by: ./va_high_addr_switch.sh, the test will hit a mmap 'FAIL' caused by not enough hugepages: ``` mmap(addr_switch_hint - hugepagesize, 2*hugepagesize, MAP_HUGETLB): 0x7f330f800000 - OK mmap(addr_switch_hint , 2*hugepagesize, MAP_FIXED | MAP_HUGETLB): 0xffffffffffffffff - FAILED ``` The failure can't be hit if run the tests by running 'run_vmtests.sh -t hugevm' because the nr_hugepages is set to 128 at the beginning of run_vmtests.sh and va_high_addr_switch.sh skip the setup of nr_hugepages because already enough. CC: Luiz Capitulino Fixes: d9d957bd7b61 ("selftests/mm: alloc hugepages in va_high_addr_switch test") Signed-off-by: Chunyu Hu --- tools/testing/selftests/mm/va_high_addr_switch.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/mm/va_high_addr_switch.sh b/tools/testing/selftests/mm/va_high_addr_switch.sh index f89fe078a8e6..a0c93d348b11 100755 --- a/tools/testing/selftests/mm/va_high_addr_switch.sh +++ b/tools/testing/selftests/mm/va_high_addr_switch.sh @@ -111,8 +111,8 @@ setup_nr_hugepages() check_test_requirements save_nr_hugepages -# 4 keep_mapped pages, and one for tmp usage -setup_nr_hugepages 5 +# The HugeTLB tests require 6 pages +setup_nr_hugepages 6 ./va_high_addr_switch --run-hugetlb retcode=$? restore_nr_hugepages -- 2.49.0