D12004.id32208.diff
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	Index: head/lib/libutil/kinfo_getvmmap.3
	===================================================================
	--- head/lib/libutil/kinfo_getvmmap.3
	+++ head/lib/libutil/kinfo_getvmmap.3
	@@ -25,7 +25,7 @@
	.\"
	.\" $FreeBSD$
	.\"
	-.Dd May 27, 2015
	+.Dd August 18, 2017
	.Dt KINFO_GETVMMAP 3
	.Os
	.Sh NAME
	@@ -58,6 +58,13 @@
	mib.
	While the kernel returns a packed structure, this function expands the
	data into a fixed record format.
	+.Sh CAVEAT
	+.Fn kinfo_getvmmap
	+calls can cause significant CPU consumption because calculating the residency
	+counts requires iterating over all memory pages of the process.
	+Setting the sysctl variable
	+.Va kern.proc_vmmap_skip_resident_count
	+to 1 prevents this calculation.
	.Sh RETURN VALUES
	On success the
	.Fn kinfo_getvmmap