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SubjectRe: [PATCH] Generic is_compat_task helper
Andrew Morton writes:

> What continues to bug me about this (in a high-level hand-wavy sort of way)
> is that this is an attribute of the mm_struct, not of the task_struct.

It's not only an attribute of the mm_struct; compat-ness doesn't just
imply a restricted address space, it implies a different setting of
the processor when the task is running, a different set of system
calls, different interpretation of syscall arguments, etc.

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