From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66263367F51; Sat, 18 Apr 2026 11:01:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776510063; cv=none; b=s1g5YeDqUIN8fv9e6Z6p23WTzEdKVlRyqnEFNLXVsUAbWstlPe6O9TMjliBaXErqbuqekQ+jkFf+j07YBUVlbDdcGVmJPAW/exdiVPVo5z2VEhmNR9OcLBRKHuHGluY8l8iXjpiph23Rva+TjhdpS4/MY/yHqztPxqPxBPZkGw4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776510063; c=relaxed/simple; bh=M6q1zkEt1sbIFV6K++NJye6dlph/Y82XdwR7nYmElQA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=q+T4WGGQTdsnxZSoUroh2tHtw5FqGCuePDY1rV3/aF/Q7cj+I1YoZ/8WDi3SvMPO8P3FGOFiWH0mocbSpHtZWFmm7IznAyfpc0/7GslTQkNO5Cufo2yllRmcP/GIB5vYt8iKKvV55qmZTpSudVwnrwuGexGBGicV+xCau0hLfbE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qRLqD8XX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qRLqD8XX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44825C2BCB7; Sat, 18 Apr 2026 11:00:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776510063; bh=M6q1zkEt1sbIFV6K++NJye6dlph/Y82XdwR7nYmElQA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qRLqD8XXobTlV3shNrjjV/Kn3npKRpbK0cLJy7y4EY11if6PfAefWSKJOf/kMBJZw amNn/GjBjMO8/GgTHIIubqALfsex3oaPvaopNEovjV3/8zapxzolvtgoJpRQ+xyaB/ 7pvGs9/uBwU5yPljkk2hklPqHQR+3iXvnxj9VKoU/PegVPAHtCaXlV2lebsfLiYyDy 22px77q6P666BhngIUCoxnIJyRI0ZJvnQgUBb3okM5tBA2ZY9BrV1PEVUz4XxA55wU z2Mq2Bt9yQN87isK1IGmv80CcstBgeE3Iu55mcGEcgjWfSlFK8ewQYtxKER/raYeIX VxtMa+ZbzrWEg== From: Mike Rapoport To: Andrew Morton , David Hildenbrand Cc: Baolin Wang , Barry Song , Dev Jain , Donet Tom , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Mark Brown , Michal Hocko , Mike Rapoport , Nico Pache , Peter Xu , Ryan Roberts , Sarthak Sharma , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v2 51/53] selftests/mm: va_high_addr_switch.sh: drop huge pages setup Date: Sat, 18 Apr 2026 13:55:36 +0300 Message-ID: <20260418105539.1261536-52-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260418105539.1261536-1-rppt@kernel.org> References: <20260418105539.1261536-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Mike Rapoport (Microsoft)" Since va_high_addr_switch takes care of setting up huge pages, there is no need to set them up in the va_high_addr_switch.sh wrapper script. Signed-off-by: Mike Rapoport (Microsoft) --- .../selftests/mm/va_high_addr_switch.sh | 39 +------------------ 1 file changed, 1 insertion(+), 38 deletions(-) diff --git a/tools/testing/selftests/mm/va_high_addr_switch.sh b/tools/testing/selftests/mm/va_high_addr_switch.sh index 9492c2d72634..d66c0fd3cb4d 100755 --- a/tools/testing/selftests/mm/va_high_addr_switch.sh +++ b/tools/testing/selftests/mm/va_high_addr_switch.sh @@ -9,7 +9,6 @@ # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 -orig_nr_hugepages=0 skip() { @@ -77,43 +76,7 @@ check_test_requirements() esac } -save_nr_hugepages() -{ - orig_nr_hugepages=$(cat /proc/sys/vm/nr_hugepages) -} - -restore_nr_hugepages() -{ - echo "$orig_nr_hugepages" > /proc/sys/vm/nr_hugepages -} - -setup_nr_hugepages() -{ - local needpgs=$1 - while read -r name size unit; do - if [ "$name" = "HugePages_Free:" ]; then - freepgs="$size" - break - fi - done < /proc/meminfo - if [ "$freepgs" -ge "$needpgs" ]; then - return - fi - local hpgs=$((orig_nr_hugepages + needpgs)) - echo $hpgs > /proc/sys/vm/nr_hugepages - - local nr_hugepgs=$(cat /proc/sys/vm/nr_hugepages) - if [ "$nr_hugepgs" != "$hpgs" ]; then - restore_nr_hugepages - skip "$0: no enough hugepages for testing" - fi -} - check_test_requirements -save_nr_hugepages -# The HugeTLB tests require 6 pages -setup_nr_hugepages 6 -./va_high_addr_switch --run-hugetlb +./va_high_addr_switch retcode=$? -restore_nr_hugepages exit $retcode -- 2.53.0