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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Oscar Salvador , marc.herbert@linux.intel.com References: <20250611120654.545963-1-david@redhat.com> <684a5594eb21d_2491100de@dwillia2-xfh.jf.intel.com.notmuch> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <684a5594eb21d_2491100de@dwillia2-xfh.jf.intel.com.notmuch> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: a1V02yqcm6EcayAV5fmokd49-svWlcaTPHHrffc-Zho_1749712736 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: xbsaa1dqossrf6h77rtmwrgcfjrk9ph4 X-Rspamd-Queue-Id: 57D751A000A X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1749712739-473225 X-HE-Meta: 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 t2L1n0eE 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 12.06.25 06:20, Dan Williams wrote: > Alistair Popple wrote: >> On Wed, Jun 11, 2025 at 02:06:51PM +0200, David Hildenbrand wrote: >>> This is v2 of >>> "[PATCH v1 0/2] mm/huge_memory: don't mark refcounted pages special >>> in vmf_insert_folio_*()" >>> Now with one additional fix, based on mm/mm-unstable. >>> >>> While working on improving vm_normal_page() and friends, I stumbled >>> over this issues: refcounted "normal" pages must not be marked >>> using pmd_special() / pud_special(). >>> >>> Fortunately, so far there doesn't seem to be serious damage. >>> >>> I spent too much time trying to get the ndctl tests mentioned by Dan >>> running (.config tweaks, memmap= setup, ... ), without getting them to >>> pass even without these patches. Some SKIP, some FAIL, some sometimes >>> suddenly SKIP on first invocation, ... instructions unclear or the tests >>> are shaky. This is how far I got: >> >> FWIW I had a similar experience, although I eventually got the FAIL cases below >> to pass. I forget exactly what I needed to tweak for that though :-/ > > Add Marc who has been working to clean the documentation up to solve the > reproducibility problem with standing up new environments to run these > tests. I was about to send some doc improvements myself, but I didn't manage to get the tests running in the first place ... even after trying hard :) I think there is also one issue with a test that requires you to actually install ndctl ... and some tests seem to temporarily fail with weird issues regarding "file size problems with /proc/kallsyms", whereby, ... there are no such file size problems :) All a bit shaky. The "memmap=" stuff is not documented anywhere for the tests, which is required for some tests I think. Maybe it should be added, not sure how big of an area we actually need, though. > > http://lore.kernel.org/20250521002640.1700283-1-marc.herbert@linux.intel.com > I think I have CONFIG_XFS_FS=m (instead of y) and CONFIG_DAX=y (instead of =m), and CONFIG_NFIT_SECURITY_DEBUG not set (instead of =y). Let me try with these settings adjusted. > There is also the run_qemu project that automates build an environment for this. > > https://github.com/pmem/run_qemu > > ...but comes with its own set of quirks. > > I have the following fixups applied to my environment to get his going on > Fedora 42 with v6.16-rc1: > > diff --git a/README.md b/README.md > index 37314db7a155..8e06908d5921 100644 > --- a/README.md > +++ b/README.md > @@ -84,6 +84,11 @@ loaded. To build and install nfit_test.ko: > CONFIG_TRANSPARENT_HUGEPAGE=y > ``` > > +1. Install the following packages, (Fedora instructions): > + ``` > + dnf install e2fsprogs xfsprogs parted jq trace-cmd hostname fio fio-engine-dev-dax > + ``` > + > 1. Build and install the unit test enabled libnvdimm modules in the > following order. The unit test modules need to be in place prior to > the `depmod` that runs during the final `modules_install` > diff --git a/test/dax.sh b/test/dax.sh > index 3ffbc8079eba..98faaf0eb9b2 100755 > --- a/test/dax.sh > +++ b/test/dax.sh > @@ -37,13 +37,14 @@ run_test() { > rc=1 > while read -r p; do > [[ $p ]] || continue > + [[ $p == cpus=* ]] && continue > if [ "$count" -lt 10 ]; then > if [ "$p" != "0x100" ] && [ "$p" != "NOPAGE" ]; then > cleanup "$1" > fi > fi > count=$((count + 1)) > - done < <(trace-cmd report | awk '{ print $21 }') > + done < <(trace-cmd report | awk '{ print $NF }') > > if [ $count -lt 10 ]; then > cleanup "$1" > > In the meantime, do not hesitate to ask me to run these tests. Yes, thanks, and thanks for running these tests. > > FWIW with these patches on top of -rc1 I get: > > --- > > [root@host ndctl]# meson test -C build --suite ndctl:dax > ninja: Entering directory `/root/git/ndctl/build' > [168/168] Linking target ndctl/ndctl > 1/13 ndctl:dax / daxdev-errors.sh OK 12.60s > 2/13 ndctl:dax / multi-dax.sh OK 2.47s > 3/13 ndctl:dax / sub-section.sh OK 6.30s > 4/13 ndctl:dax / dax-dev OK 0.04s > 5/13 ndctl:dax / dax-ext4.sh OK 3.04s > 6/13 ndctl:dax / dax-xfs.sh OK 3.10s > 7/13 ndctl:dax / device-dax OK 9.66s > 8/13 ndctl:dax / revoke-devmem OK 0.22s > 9/13 ndctl:dax / device-dax-fio.sh OK 32.32s > 10/13 ndctl:dax / daxctl-devices.sh OK 2.31s > 11/13 ndctl:dax / daxctl-create.sh SKIP 0.25s exit status 77 > 12/13 ndctl:dax / dm.sh OK 1.00s > 13/13 ndctl:dax / mmap.sh OK 62.27s > > Ok: 12 > Fail: 0 > Skipped: 1 > > Full log written to /root/git/ndctl/build/meson-logs/testlog.txt > > --- > > Note that the daxctl-create.sh skip is a known unrelated v6.16-rc1 regression > fixed with this set: > > http://lore.kernel.org/20250607033228.1475625-1-dan.j.williams@intel.com > > You can add: > > Tested-by: Dan Williams > Thanks! -- Cheers, David / dhildenb