From: Zi Yan <ziy@nvidia.com>
To: Ryan Roberts <ryan.roberts@arm.com>
Cc: "Aishwarya TCV" <aishwarya.tcv@arm.com>,
"\"Pankaj Raghav (Samsung)\"" <kernel@pankajraghav.com>,
linux-mm@kvack.org,
"\"Matthew Wilcox (Oracle)\"" <willy@infradead.org>,
"David Hildenbrand" <david@redhat.com>,
"Yang Shi" <shy828301@gmail.com>, "Yu Zhao" <yuzhao@google.com>,
"\"Kirill A . Shutemov\"" <kirill.shutemov@linux.intel.com>,
"\"Michal Koutný\"" <mkoutny@suse.com>,
"Roman Gushchin" <roman.gushchin@linux.dev>,
"\"Zach O'Keefe\"" <zokeefe@google.com>,
"Hugh Dickins" <hughd@google.com>,
"Luis Chamberlain" <mcgrof@kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org,
"Mark Brown" <broonie@kernel.org>
Subject: Re: [PATCH v5 8/8] mm: huge_memory: enable debugfs to split huge pages to any order.
Date: Fri, 01 Mar 2024 09:33:21 -0500 [thread overview]
Message-ID: <03588DEE-18D4-4186-B56D-D76E254F724D@nvidia.com> (raw)
In-Reply-To: <6645287e-d069-4c37-823b-d1b814ec0efe@arm.com>
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On 1 Mar 2024, at 9:23, Ryan Roberts wrote:
> On 01/03/2024 14:00, Zi Yan wrote:
>> On 1 Mar 2024, at 4:51, Aishwarya TCV wrote:
>>
>>> On 26/02/2024 20:55, Zi Yan wrote:
>>>> From: Zi Yan <ziy@nvidia.com>
>>>>
>>>> It is used to test split_huge_page_to_list_to_order for pagecache THPs.
>>>> Also add test cases for split_huge_page_to_list_to_order via both
>>>> debugfs.
>>>>
>>>> Signed-off-by: Zi Yan <ziy@nvidia.com>
>>>> ---
>>>> mm/huge_memory.c | 34 ++++--
>>>> .../selftests/mm/split_huge_page_test.c | 115 +++++++++++++++++-
>>>> 2 files changed, 131 insertions(+), 18 deletions(-)
>>>>
>>>
>>> Hi Zi,
>>>
>>> When booting the kernel against next-master(20240228)with Arm64 on
>>> Marvell Thunder X2 (TX2), the kselftest-mm test 'split_huge_page_test'
>>> is failing in our CI (with rootfs over NFS). I can send the full logs if
>>> required.
>>>
>>> A bisect (full log below) identified this patch as introducing the
>>> failure. Bisected it on the tag "next-20240228" at repo
>>> "https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git".
>>>
>>> This works fine on Linux version 6.8.0-rc6
>>
>> Hi Aishwarya,
>>
>> I am trying to fix the issue. When I am compiling selftests/mm, I encountered
>> the error below when I run make under the folder. Am I missing any configuration?
>> Since you are able to run the test, I assume you know what is happening. Thanks.
>
> for what its worth, I usually compile from the top level directory with:
>
> # make headers_install
> # make -C tools/testing/selftests TARGETS=mm install INSTALL_PATH=~/kself
>
> Perhaps the below is due to the headers not being exported properly. Bad things definitely happen if you omit the headers_install step.
It works. Thanks a lot!
>>
>> vm_util.c: In function ‘__pagemap_scan_get_categories’:
>> vm_util.c:34:28: error: storage size of ‘arg’ isn’t known
>> 34 | struct pm_scan_arg arg;
>> | ^~~
>> vm_util.c:41:27: error: invalid application of ‘sizeof’ to incomplete type ‘struct pm_scan_arg’
>> 41 | arg.size = sizeof(struct pm_scan_arg);
>> | ^~~~~~
>> vm_util.c:45:35: error: ‘PAGE_IS_WPALLOWED’ undeclared (first use in this function)
>> 45 | arg.category_anyof_mask = PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | PAGE_IS_FILE |
>> | ^~~~~~~~~~~~~~~~~
>> vm_util.c:45:35: note: each undeclared identifier is reported only once for each function it appears in
>> vm_util.c:45:55: error: ‘PAGE_IS_WRITTEN’ undeclared (first use in this function)
>> 45 | arg.category_anyof_mask = PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | PAGE_IS_FILE |
>> | ^~~~~~~~~~~~~~~
>> vm_util.c:45:73: error: ‘PAGE_IS_FILE’ undeclared (first use in this function)
>> 45 | arg.category_anyof_mask = PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | PAGE_IS_FILE |
>> | ^~~~~~~~~~~~
>> vm_util.c:46:35: error: ‘PAGE_IS_PRESENT’ undeclared (first use in this function); did you mean ‘PAGEMAP_PRESENT’?
>> 46 | PAGE_IS_PRESENT | PAGE_IS_SWAPPED | PAGE_IS_PFNZERO |
>> | ^~~~~~~~~~~~~~~
>> | PAGEMAP_PRESENT
>> vm_util.c:46:53: error: ‘PAGE_IS_SWAPPED’ undeclared (first use in this function)
>> 46 | PAGE_IS_PRESENT | PAGE_IS_SWAPPED | PAGE_IS_PFNZERO |
>> | ^~~~~~~~~~~~~~~
>> vm_util.c:46:71: error: ‘PAGE_IS_PFNZERO’ undeclared (first use in this function)
>> 46 | PAGE_IS_PRESENT | PAGE_IS_SWAPPED | PAGE_IS_PFNZERO |
>> | ^~~~~~~~~~~~~~~
>> vm_util.c:47:35: error: ‘PAGE_IS_HUGE’ undeclared (first use in this function)
>> 47 | PAGE_IS_HUGE | PAGE_IS_SOFT_DIRTY;
>> | ^~~~~~~~~~~~
>> vm_util.c:47:50: error: ‘PAGE_IS_SOFT_DIRTY’ undeclared (first use in this function); did you mean ‘PM_SOFT_DIRTY’?
>> 47 | PAGE_IS_HUGE | PAGE_IS_SOFT_DIRTY;
>> | ^~~~~~~~~~~~~~~~~~
>> | PM_SOFT_DIRTY
>> vm_util.c:50:26: error: ‘PAGEMAP_SCAN’ undeclared (first use in this function); did you mean ‘PAGEMAP_PFN’?
>> 50 | return ioctl(fd, PAGEMAP_SCAN, &arg);
>> | ^~~~~~~~~~~~
>> | PAGEMAP_PFN
>>
>> --
>> Best Regards,
>> Yan, Zi
--
Best Regards,
Yan, Zi
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next prev parent reply other threads:[~2024-03-01 14:33 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-26 20:55 [PATCH v5 0/8] Split a folio to any lower order folios Zi Yan
2024-02-26 20:55 ` [PATCH v5 1/8] mm/huge_memory: only split PMD mapping when necessary in unmap_folio() Zi Yan
2024-02-28 10:30 ` David Hildenbrand
2024-02-26 20:55 ` [PATCH v5 2/8] mm: Support order-1 folios in the page cache Zi Yan
2024-02-26 20:55 ` [PATCH v5 3/8] mm/memcg: use order instead of nr in split_page_memcg() Zi Yan
2024-02-26 20:55 ` [PATCH v5 4/8] mm/page_owner: use order instead of nr in split_page_owner() Zi Yan
2024-02-26 20:55 ` [PATCH v5 5/8] mm: memcg: make memcg huge page split support any order split Zi Yan
2024-02-26 20:55 ` [PATCH v5 6/8] mm: page_owner: add support for splitting to any order in split page_owner Zi Yan
2024-02-28 10:31 ` David Hildenbrand
2024-02-26 20:55 ` [PATCH v5 7/8] mm: thp: split huge page to any lower order pages Zi Yan
2024-02-28 8:23 ` Ryan Roberts
2024-02-28 15:42 ` Zi Yan
2024-02-28 15:44 ` Ryan Roberts
2024-02-28 15:52 ` Zi Yan
2024-03-07 14:58 ` Zi Yan
2024-02-26 20:55 ` [PATCH v5 8/8] mm: huge_memory: enable debugfs to split huge pages to any order Zi Yan
2024-03-01 9:51 ` Aishwarya TCV
2024-03-01 10:33 ` Ryan Roberts
2024-03-01 12:11 ` Mark Brown
2024-03-01 12:56 ` Zi Yan
2024-03-01 14:14 ` Mark Brown
2024-03-01 12:52 ` Zi Yan
2024-03-01 13:09 ` Ryan Roberts
2024-03-01 13:53 ` Zi Yan
2024-03-01 14:18 ` Ryan Roberts
2024-03-01 14:27 ` Mark Brown
2024-03-01 15:21 ` Zi Yan
2024-03-01 19:41 ` Zi Yan
2024-03-01 14:24 ` Mark Brown
2024-03-01 14:00 ` Zi Yan
2024-03-01 14:23 ` Ryan Roberts
2024-03-01 14:33 ` Zi Yan [this message]
2024-03-01 19:37 ` Zi Yan
2024-03-01 20:02 ` Zi Yan
2024-03-01 21:10 ` Zi Yan
2024-03-04 9:50 ` Aishwarya TCV
2024-03-04 14:58 ` Zi Yan
2024-03-04 15:44 ` Aishwarya TCV
2024-03-04 15:57 ` Zi Yan
2024-03-04 18:25 ` Aishwarya TCV
2024-03-04 18:26 ` Zi Yan
2024-03-04 18:31 ` Zi Yan
2024-03-07 15:06 ` Zi Yan
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