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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 49/53] selftests/mm: uffd-wp-mremap: add setup of HugeTLB pages Date: Mon, 6 Apr 2026 17:17:31 +0300 Message-ID: <20260406141735.2179309-50-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-Rspam-User: X-Stat-Signature: h3jf7o3a5hx9953tggjy4je91xa319i5 X-Rspamd-Queue-Id: B590E80012 X-Rspamd-Server: rspam09 X-HE-Tag: 1775485350-918676 X-HE-Meta: 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 0H26FxVc BVPNq3NBQwloUC/VghsZhgFdyBV/IPHIlSo4DcR1ZtBiENCs50E7Tt77PVhTW0a5KkNqeVfi9qyBd7ppnTGAv1/G2TwrOLNwNZcmV1xdSGhDPyg8Nq5iBBX3qoTouxThYmc1lsjsLKHRkA47Mn7wKf3PmCG3PNDZK5gPePA5a1Qz04oxPzeqTH9bFHhW5eGK5wvToT5CSfiXcz6xCm2S1wWZb0mM9J6SbQ47ENiaRJPcfDz4= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" uffd-wp-remap skips HugeTLB tests 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/uffd-wp-mremap.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mm/uffd-wp-mremap.c b/tools/testing/selftests/mm/uffd-wp-mremap.c index 9d67b11c2f28..f63fe02f404f 100644 --- a/tools/testing/selftests/mm/uffd-wp-mremap.c +++ b/tools/testing/selftests/mm/uffd-wp-mremap.c @@ -336,14 +336,14 @@ int main(int argc, char **argv) struct thp_settings settings; int i, j, plan = 0; + hugepage_save_settings(true, true); + pagesize = getpagesize(); nr_thpsizes = detect_thp_sizes(thpsizes, ARRAY_SIZE(thpsizes)); - nr_hugetlbsizes = detect_hugetlb_page_sizes(hugetlbsizes, - ARRAY_SIZE(hugetlbsizes)); + nr_hugetlbsizes = hugetlb_setup(1, hugetlbsizes, ARRAY_SIZE(hugetlbsizes)); /* If THP is supported, save THP settings and initially disable THP. */ if (nr_thpsizes) { - thp_save_settings(); thp_read_settings(&settings); for (i = 0; i < NR_ORDERS; i++) { settings.hugepages[i].enabled = THP_NEVER; -- 2.53.0