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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1756192063; 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=sKAakFoGLWYVQ0TpKA08BOT1tW5QsH2hQlun/NF7VgA=; b=ONBqYu4GVdzn1g8QP47rFbtqdhph0lgaQ5kMSCobvSpbBMBL4qFXYuPCSiRhKODgAQTMvl 2FYVe8/TfndFef6487GveIDn9K1G/hR+jdtYd8iEB6ps/ah3Y/7S/zWl3j6CCNlrVbUTZs VShUKarCOdFZ7+d71w/G7rXcEalvbWI= 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 D68711BC0; Tue, 26 Aug 2025 00:07:28 -0700 (PDT) Received: from localhost.localdomain (unknown [10.163.65.202]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 15C723F63F; Tue, 26 Aug 2025 00:07:30 -0700 (PDT) From: Dev Jain To: akpm@linux-foundation.org, david@redhat.com, shuah@kernel.org Cc: lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, npache@redhat.com, ryan.roberts@arm.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Dev Jain Subject: [PATCH 0/2] selftests/mm: uffd-stress fixes Date: Tue, 26 Aug 2025 12:37:03 +0530 Message-Id: <20250826070705.53841-1-dev.jain@arm.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 3076018000D X-Stat-Signature: 8fcmjeorpwi4kwa3armokbg5j7nng6mt X-HE-Tag: 1756192058-863228 X-HE-Meta: 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 zNJPdoK6 aKz/ZWBZBjiz6zdGC0HCgw60EKjsrKcTBY8gw78LbJCU2EgTR3aewge6LPn5+7AhzKhqanZ3aHmNQ6LhGnreEwt4+UKf5FZsatH2S 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: This patchset ensures that the number of hugepages is correctly set in the system so that the uffd-stress test does not fail due to the racy nature of the test. Patch 1 corrects the hugepage constraint in the run_vmtests.sh script, whereas patch 2 corrects the constraint in the test itself. Dev Jain (2): selftests/mm/uffd-stress: Make test operate on less hugetlb memory selftests/mm/uffd-stress: Stricten constraint on free hugepages before the test tools/testing/selftests/mm/run_vmtests.sh | 2 +- tools/testing/selftests/mm/uffd-stress.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -- 2.30.2