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Wed, Jul 09, 2025 at 08:32:24PM +0800, wang lian wrote: > Hi Zi Yan, > Thanks for testing the patch and reporting this build failure. > I don't have an arm64 environment readily available for testing, so I > appreciate you catching this. I suspect this is caused by missing or > older userspace headers in the cross-compilation toolchain. > I will try to fix this in the next version. If the problem persists, a > good solution would be to manually define the syscall wrapper to avoid > the dependency on . > I'll send out a v4 with a fix. > Thanks again for your help. > Best regards, > Wang Lian Hi Wang, Please try to include the context of what you're replying to in your messages, reading the above I have to _just remember_ what Zi said, and I'm old so that's hard now ;) Please note that mm tests _must_ work without make headers_install being run. Your test must not rely upon those. Thanks, Lorenzo