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 CD5E73CD8BB; Mon, 11 May 2026 16:34:36 +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=1778517276; cv=none; b=eylVrO5XTIeLXDo/3uDsetIuYJRbzU3sksg/twEWoAxtzElzzJwicDtftRAYAys+12Gb7REwljjcUP77du1XASwKrmIVkuEFKqk4eMxgPYYzdVc+gf8o1pUnS6nMgYOCZ7/WmRPHet/hg5WL1bB8FcxtLWv6scJdYDOxwcbQFO4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778517276; c=relaxed/simple; bh=cC+xeN8LxFcFNLizRYxYZtV3Kwl2xV99NyAd74E1Kcs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EUZiYpawXqbo6y0LK5AaYSyxSVtMpIODneKvqsmmxj+Ry86uY9X1Bp9T3AEqY1uHQhfbT95UGBOiOVyxcPdZQZgd1ONoOHKeyNnlJ79PDVFNRJJppqGLx50owDD4mOu7SOyA2ApscxSno0euVGu3z3bQD+FW76RFW/OJCkgs+vI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rnI+fDIR; 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="rnI+fDIR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79249C2BCB0; Mon, 11 May 2026 16:34:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778517276; bh=cC+xeN8LxFcFNLizRYxYZtV3Kwl2xV99NyAd74E1Kcs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rnI+fDIR/5JJw0kynRF9ZemaGluf5lMGI8mSRiat5jxVTNPyRzJFONCgBKMTYMHXx kVqOmdTXG0ZfZK1FwG0NePMK2RtznAAjZkEZxJ8jp5boBAeavkW7regVKErgZMnE9V uBKtxpCo1tRYVvs085puXBeakH4YNu7rO7SBagErC+sdlXOMd5c9edSL0oCde4t4Pv b/29dfN8KAXIl9VL8orDskje82FF7gVbBStB8NuO7UddsNRFcMNOdNKkPLp5enkrAo tOWIlR8qh4wenV7ADd7HD626cKyhGemsTO447Pkr3K8rVDmkAvMqkg7TILzx52Im1s pomg5ED7lk2GA== 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 , Li Wang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , 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 v4 53/55] selftests/mm: va_high_addr_switch.sh: drop huge pages setup Date: Mon, 11 May 2026 19:28:37 +0300 Message-ID: <20260511162840.375890-54-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260511162840.375890-1-rppt@kernel.org> References: <20260511162840.375890-1-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. Reviewed-by: Luiz Capitulino Tested-by: Luiz Capitulino Signed-off-by: Mike Rapoport (Microsoft) --- .../selftests/mm/va_high_addr_switch.sh | 41 +------------------ 1 file changed, 1 insertion(+), 40 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..01c15fe3c799 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 +76,5 @@ 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 "$0: no enough hugepages for testing" - fi -} - check_test_requirements -save_nr_hugepages -# The HugeTLB tests require 6 pages -setup_nr_hugepages 6 -./va_high_addr_switch --run-hugetlb -retcode=$? -restore_nr_hugepages -exit $retcode +./va_high_addr_switch -- 2.53.0