让kselftest支持nommu平台 · v2

Architectures lacks MMU doesn’t support fork(2) syscall and only vfork(2) is available with limitations. Thus, we cannot run kselftest on nommu architecture as is. This commit addresses this issue w

Introduce a kselftest utility to validate memory mapping capabilities under nommu kernels, aligned with Documentation/admin-guide/mm/nommu-mmap.rst. The test implements basic checks into a generic ar