On Mon, Jan 14, 2019 at 09:52:14AM +0800, lijiang wrote:

I would like to remove this variable and post again.

No, you should remove the vmcoreinfo export too:

kernel/crash_core.c:398:        VMCOREINFO_OSRELEASE(init_uts_ns.name.release);

after making sure userspace is not using it and *then* remove the
documentation.

But you can do that in a separate patch, so that it can be reverted if
trouble.

Thx.

-- 
Regards/Gruss,
    Boris.

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