K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2019-10-22T21:46:03.787788Z
K 7
svn:log
V 255
arm: correct kernelstack allocation size

This appears to be a copy-pasto from previous lines that propagated to v6
over the years. Indeed, nothing references kernelstack beyond
USPACE_SVC_STACK_TOP and it would be odd if anything did.

Noticed by:	markj

END