Konstantin Belousov d77e8982ab Add a comment noting that the additional range checks are not needed.
The object size is set in the dsp_mmap_single() which provides the
range limit by vm_fault().

Reported by:	C Turt <ecturt@gmail.com>
Reviewed by:	alc, markj
admbug:		781
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
2018-12-02 13:29:13 +00:00
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