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linprocfs: Fixup vDSO name in the procmaps after 9931033bbf.

Description

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

Details

Provenance
dchaginAuthored on Jul 20 2021, 7:04 AM
Differential Revision
D30903: linprocfs: Fixup vDSO name in the procmaps.
Parents
R10:09cffde975b8: linux(4): Fixup the vDSO initialization order.
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