K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2019-08-24T14:29:13.327004Z
K 7
svn:log
V 394
Make stack grow use the same gap as stack create.

Store stack_guard_page * PAGE_SIZE into the gap->next_read field at
the time of the stack creation.  This makes the used guard size
consistent between stack creation and stack grow time.

Suggested by:	alc
Reviewed by:	alc, markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D21384

END