kernel/linux.git/tools/testing/selftests/vm, branch v5.9.12

selftests: vm: add fragment CONFIG_GUP_BENCHMARK

2020-10-29T09:11:16+00:00

[ Upstream commit cae1d5a2c5a491141faa747e9944ba40ab4ab786 ] When running gup_benchmark test the following output states that the config options is missing. $ sudo ./gup_benchmark open: No such file or directory $ sudo strace -e trace=file ./gup_benchmark 2>&1 | tail -3 openat(AT_FDCWD, "/sys/kernel/debug/gup_benchmark", O_RDWR) = -1 ENOENT (No such file or directory) open: No such file or directory +++ exited with 1 +++ Fix it by adding config option fragment. Fixes: 64c349f4ae78 ("mm: add infrastructure for get_user_pages_fast() benchmarking") Signed-off-by: Anatoly Pugachev CC: Jiri Kosina CC: Shuah Khan Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin

selftests/vm: fix display of page size in map_hugetlb

2020-09-19T20:13:39+00:00

The displayed size is in bytes while the text says it is in kB. Shift it by 10 to really display kBytes. Fixes: fa7b9a805c79 ("tools/selftest/vm: allow choosing mem size and page size in map_hugetlb") Signed-off-by: Christophe Leroy Signed-off-by: Andrew Morton Cc: Link: https://lkml.kernel.org/r/e27481224564a93d14106e750de31189deaa8bc8.1598861977.git.christophe.leroy@csgroup.eu Signed-off-by: Linus Torvalds

mm/migrate: add migrate-shared test for migrate_vma_*()

2020-08-12T17:57:56+00:00

Add a migrate_vma_*() self test for mmap(MAP_SHARED) to verify that !vma_anonymous() ranges won't be migrated. Signed-off-by: Ralph Campbell Signed-off-by: Andrew Morton Cc: Jerome Glisse Cc: John Hubbard Cc: Christoph Hellwig Cc: Jason Gunthorpe Cc: "Bharata B Rao" Cc: Shuah Khan Link: http://lkml.kernel.org/r/20200710194840.7602-3-rcampbell@nvidia.com Link: http://lkml.kernel.org/r/20200709165711.26584-3-rcampbell@nvidia.com Signed-off-by: Linus Torvalds

Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

2020-08-05T20:28:50+00:00

Pull hmm updates from Jason Gunthorpe: "Ralph has been working on nouveau's use of hmm_range_fault() and migrate_vma() which resulted in this small series. It adds reporting of the page table order from hmm_range_fault() and some optimization of migrate_vma(): - Report the size of the page table mapping out of hmm_range_fault(). This makes it easier to establish a large/huge/etc mapping in the device's page table. - Allow devices to ignore the invalidations during migration in cases where the migration is not going to change pages. For instance migrating pages to a device does not require the device to invalidate pages already in the device. - Update nouveau and hmm_tests to use the above" * tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: mm/hmm/test: use the new migration invalidation nouveau/svm: use the new migration invalidation mm/notifier: add migration invalidation type mm/migrate: add a flags parameter to migrate_vma nouveau: fix storing invalid ptes nouveau/hmm: support mapping large sysmem pages nouveau: fix mapping 2MB sysmem pages nouveau/hmm: fault one page at a time mm/hmm: add tests for hmm_pfn_to_map_order() mm/hmm: provide the page mapping order in hmm_range_fault()

mm/hmm/test: use the new migration invalidation

2020-07-28T19:20:33+00:00

Use the new MMU_NOTIFY_MIGRATE event to skip MMU invalidations of device private memory and handle the invalidation in the driver as part of migrating device private memory. Link: https://lore.kernel.org/r/20200723223004.9586-6-rcampbell@nvidia.com Signed-off-by: Ralph Campbell Signed-off-by: Jason Gunthorpe

mm/hmm: add tests for hmm_pfn_to_map_order()

2020-07-10T19:24:28+00:00

Add a sanity test for hmm_range_fault() returning the page mapping size order. Link: https://lore.kernel.org/r/20200701225352.9649-6-rcampbell@nvidia.com Signed-off-by: Ralph Campbell Signed-off-by: Jason Gunthorpe

selftests/vm/keys: fix a broken reference at protection_keys.c

2020-06-26T16:01:12+00:00

Changeset 1eecbcdca2bd ("docs: move protection-keys.rst to the core-api book") from Jun 7, 2019 converted protection-keys.txt file to ReST. A recent change at protection_keys.c partially reverted such changeset, causing it to point to a non-existing file: - * Tests x86 Memory Protection Keys (see Documentation/core-api/protection-keys.rst) + * Tests Memory Protection Keys (see Documentation/vm/protection-keys.txt) It sounds to me that the changeset that introduced such change 4645e3563673 ("selftests/vm/pkeys: rename all references to pkru to a generic name") could also have other side effects, as it sounds that it was not generated against uptream code, but, instead, against a version older than Jun 7, 2019. Fixes: 4645e3563673 ("selftests/vm/pkeys: rename all references to pkru to a generic name") Signed-off-by: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/cf65aa052669f55b9dc976a5c8026aef5840741d.1592895969.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet

khugepaged: selftests: fix timeout condition in wait_for_scan()

2020-06-11T02:14:17+00:00

The loop exits with "timeout" set to -1 and not to 0 so the test needs to be fixed. Fixes: e7b592f6caca ("khugepaged: add self test") Signed-off-by: Dan Carpenter Signed-off-by: Andrew Morton Cc: Shuah Khan Cc: Stephen Rothwell Cc: Zi Yan Cc: William Kucharski Cc: Yang Shi Cc: John Hubbard Link: http://lkml.kernel.org/r/20200605110736.GH978434@mwanda Acked-by: Kirill A. Shutemov Signed-off-by: Linus Torvalds

tools/testing/selftests/vm: remove duplicate headers

2020-06-05T02:06:27+00:00

Code cleanup: Remove duplicate headers which are included twice. Signed-off-by: Jagadeesh Pagadala Signed-off-by: Andrew Morton Cc: Shuah Khan Cc: Brian Geffon Link: http://lkml.kernel.org/r/1587278984-18847-1-git-send-email-jagdsh.linux@gmail.com Signed-off-by: Linus Torvalds

selftests: vm: pkeys: fix multilib builds for x86

2020-06-05T02:06:27+00:00

This ensures that both 32-bit and 64-bit binaries are generated when this is built on a x86_64 system. Most of the changes have been borrowed from tools/testing/selftests/x86/Makefile. Signed-off-by: Sandipan Das Signed-off-by: Andrew Morton Tested-by: Dave Hansen Acked-by: Dave Hansen Cc: "Desnes A. Nunes do Rosario" Cc: Florian Weimer Cc: Ingo Molnar Cc: Ram Pai Cc: Thiago Jung Bauermann Cc: "Aneesh Kumar K.V" Cc: Michael Ellerman Cc: Michal Hocko Cc: Michal Suchanek Cc: Shuah Khan Link: http://lkml.kernel.org/r/0326a442214d7a1b970d38296e63df3b217f5912.1585646528.git.sandipan@linux.ibm.com Signed-off-by: Linus Torvalds