* [ofw] dealing with mem region out of kernel space
- Fix parameter checking in _out_of_range() that NULL is excluded for
fixed mapping
- Split page install with a deferred stage to avoid mapping over
ARCH_EARLY_MAP_SIZE
Signed-off-by: Shell <smokewood@qq.com>
* fixup: restrict vstart for using of RT_NULL
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Signed-off-by: Shell <smokewood@qq.com>