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Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Mark Brown , Michal Hocko , Mike Rapoport , Nico Pache , Peter Xu , Ryan Roberts , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 42/53] selftests/mm: hugetlb-vmemmap: add setup of HugeTLB pages Date: Mon, 6 Apr 2026 17:17:24 +0300 Message-ID: <20260406141735.2179309-43-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260406141735.2179309-1-rppt@kernel.org> References: <20260406141735.2179309-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 52BACA000C X-Stat-Signature: kmc81qhopgzgcx9ny84c61j4nrg6diar X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1775485310-974854 X-HE-Meta: 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" hugetlb-vmemmap test fails 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-vmemmap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/mm/hugetlb-vmemmap.c b/tools/testing/selftests/mm/hugetlb-vmemmap.c index af5786bebfd1..507df78a158d 100644 --- a/tools/testing/selftests/mm/hugetlb-vmemmap.c +++ b/tools/testing/selftests/mm/hugetlb-vmemmap.c @@ -97,6 +97,9 @@ int main(int argc, char **argv) ksft_print_header(); ksft_set_plan(1); + if (!hugetlb_setup_default(1)) + ksft_exit_skip("Not enough free huge pages\n"); + pagesize = psize(); maplength = default_huge_page_size(); if (!maplength) -- 2.53.0