Dmitry Chagin fe7409530c linprocfs: Fixup vDSO name in the procmaps after 9931033bbf.
As the sv_shared_page_base now pointed out to the native sharedpage and
the process VA layout has changed as follows:
VDSOPAGE	(2 * PAGE_SIZE)
SHAREDPAGE	(PAGE_SIZE)
USRSTACK
fixup the vDSO name by calculating the start of page relative to the
native sharedpage.

Differential revision:	https://reviews.freebsd.org/D30903
MFC after:		2 weeks
2021-07-20 10:04:20 +03:00
..