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Howlett" , Lance Yang , 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 v3 37/54] selftests/mm: hugetlb-madvise: add setup of HugeTLB pages Date: Tue, 28 Apr 2026 23:42:23 +0300 Message-ID: <20260428204240.1924129-38-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260428204240.1924129-1-rppt@kernel.org> References: <20260428204240.1924129-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: ABCF11C0009 X-Rspam-User: X-Stat-Signature: heh6rt6xqb13f5f7jcbe48ke5pcytzjy X-HE-Tag: 1777409215-205161 X-HE-Meta: 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 foCXk+rb r/iME0Kv5z29MKa0yVV4Qver+RO7eoB0Z6tm1mn8LFpJFuK4fZPJbWN4/+pFL+odMbgmsGwH1tbQq5gcM+xf6JktjwUDbRYomQZ6H8eGwYRYLVJ/fjxuZPBqh708Md8H89aW4P3KOSKI4x9ilNH1jp8SnTFImaV3oBc/v3zCX9eSBwBe/5mfN8pAs1S8eXKJX3jT0LfGq+P7pnhkE6jbWZvcZuU/MFU1AJl7cOgKboSi4Oqo= 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-madvise 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-madvise.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c index 3c08eb6db6a2..b20648d025e6 100644 --- a/tools/testing/selftests/mm/hugetlb-madvise.c +++ b/tools/testing/selftests/mm/hugetlb-madvise.c @@ -68,9 +68,9 @@ int main(int argc, char **argv) if (!base_page_size) ksft_exit_fail_msg("Unable to determine base page size\n"); + if (!hugetlb_setup_default(MIN_FREE_PAGES)) + ksft_exit_skip("Not enough free huge pages (have %lu, need %d)\n", hugetlb_free_default_pages(), MIN_FREE_PAGES); free_hugepages = hugetlb_free_default_pages(); - if (free_hugepages < MIN_FREE_PAGES) - ksft_exit_skip("Not enough free huge pages (have %lu, need %d)\n", free_hugepages, MIN_FREE_PAGES); fd = memfd_create(argv[0], MFD_HUGETLB); if (fd < 0) -- 2.53.0