K 10
svn:author
V 3
jtl
K 8
svn:date
V 27
2018-04-06T17:06:22.343398Z
K 7
svn:log
V 619
Pat the watchdog less while producing a coredump.  Prior to this change,
we patted the watchdog approximately once per 4KB page of memory.  After
this change, we pat the watchdog approximately once per 128MB of memory.
On a sample machine, this translated to patting the watchdog approximately
every 5.4 seconds, which "seems reasonable". We can choose a different
value in the future, if warranted.

This has extensive field experience. It is a performance improvement, and
has not caused any known problems.

Reviewed by:	imp, kib
Sponsored by:	Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D14988

END