D34574.id.diff
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	diff --git a/share/man/man4/mem.4 b/share/man/man4/mem.4
	--- a/share/man/man4/mem.4
	+++ b/share/man/man4/mem.4
	@@ -28,7 +28,7 @@
	.\" @(#)mem.4 5.3 (Berkeley) 5/2/91
	.\" $FreeBSD$
	.\"
	-.Dd August 25, 2020
	+.Dd March 11, 2022
	.Dt MEM 4
	.Os
	.Sh NAME
	@@ -65,6 +65,7 @@
	long, and ends at virtual
	address 0xf0000000.
	.Sh IOCTL INTERFACE
	+.Ss Address Properties
	The
	.Dv MEM_EXTRACT_PADDR
	ioctl can be used to look up the physical address and NUMA domain of a given
	@@ -104,6 +105,8 @@
	and
	.Fa me_domain
	fields are valid.
	+.El
	+.Ss Memory Ranges
	.Pp
	Several architectures allow attributes to be associated with ranges of physical
	memory.
	@@ -200,6 +203,11 @@
	to remove a range.
	.El
	.Sh RETURN VALUES
	+.Ss MEM_EXTRACT_PADDR
	+The
	+.Dv MEM_EXTRACT_PADDR
	+ioctl always returns a value of zero.
	+.Ss MEMRANGE_GET/MEMRANGE_SET
	.Bl -tag -width Er
	.It Bq Er EOPNOTSUPP
	Memory range operations are not supported on this architecture.