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 41547355F52; Sat, 18 Apr 2026 10:59:23 +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=1776509964; cv=none; b=NJuPLwrVdySs51/25aJgWItEcq3iBuaIDDHdrwIKE5YT5X2ruBLYQ4y/KjT3HdWQH+mH8yXAFO1bQz4WWV6bv9WtNVRPtSLkVRaH2OxSDEKvIzzFoSO+38naaCPocg/Gal3bD0C6L1g+StAUiyBmRNlwbeY2MJvESoANM1RtelA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776509964; c=relaxed/simple; bh=ib9LXsJztlT6AS3f5wMdXHDwOYMXkAdeN957x1qT4BE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KOpcfaXrnxBs79wlaEszLkWe7XcVxb37hc++TYLPIsCYFiqUSuqdWYbScrz6LwkbkeF3SMVk83kzLz3JXMafI2hLwUXzdhNqtU9fh3eRBTcUiflzMinvn5INBnJQcdhMhbKLs6hQnxGKXS8QGzt7YY15GMXSvaqM0yOoFPkdqlE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pavFNxq/; 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="pavFNxq/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 328BCC2BCB3; Sat, 18 Apr 2026 10:59:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776509963; bh=ib9LXsJztlT6AS3f5wMdXHDwOYMXkAdeN957x1qT4BE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pavFNxq/2IwGOfwlXixJLLH3uA6ytRbiy37uSfffBDhjDHasiINfzv5MpmEfSxnap 9+3as8gDKrxlI5DWlTwJmR8gK1ZhWi4Tugz6mvyCUYyKCkqnSV9cLUOjgEp/RNu1r3 nrtXGxtarPpSJSQDss7K08tB1BSSc5vCSSasegK3ygq+8hxAWcqWJ3n7OgqriXxb15 niVWY/utkt8tvgIxBTAPKXH7zFSTPFxM3TTZaNk9WJ2Z6LyetPDAyghkTsP3j4kgWb JCumNx+lX3p4Ne2CT4oLhWfVZd8CDZpeM5fxg36Nr1EUIyx7CnRnwhovOruJLZE+yJ YgqksBz/TYhog== 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 35/53] selftests/mm: hugetlb_fault_after_madv: add setup of HugeTLB pages Date: Sat, 18 Apr 2026 13:55:20 +0300 Message-ID: <20260418105539.1261536-36-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)" hugetlb_fault_after_madv test skips testing if there are no free huge pages prepared by a wrapper script. Add setup of HugeTLB pages to the test and make sure that the original settings are restored on the test exit. Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/hugetlb_fault_after_madv.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb_fault_after_madv.c b/tools/testing/selftests/mm/hugetlb_fault_after_madv.c index c718dd065d53..481863cc5fda 100644 --- a/tools/testing/selftests/mm/hugetlb_fault_after_madv.c +++ b/tools/testing/selftests/mm/hugetlb_fault_after_madv.c @@ -54,7 +54,6 @@ void *madv(void *unused) int main(void) { - unsigned long free_hugepages; pthread_t thread1, thread2; /* * On kernel 6.4, we are able to reproduce the problem with ~1000 @@ -78,10 +77,9 @@ int main(void) ksft_print_msg("[INFO] detected default hugetlb page size: %zu KiB\n", huge_page_size / 1024); - free_hugepages = hugetlb_free_default_pages(); - if (free_hugepages != 1) { + if (!hugetlb_setup_default(1)) { ksft_exit_skip("This test needs one and only one page to execute. Got %lu\n", - free_hugepages); + hugetlb_free_default_pages()); } while (max--) { -- 2.53.0