K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2020-10-30T20:02:32.123213Z
K 7
svn:log
V 258
malloc: delegate M_EXEC handling to dedicacted routines

It is almost never needed and adds an avoidable branch.

While here do minior clean ups in preparation for larger changes.

Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D27019

END