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pmap_qenter.9: Clarify that not all arch can map NX

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The goal is to use security features when architectures provide them.

Reported by:	kib
Sponsored by:	Dell EMC Isilon
This commit is contained in:
Conrad Meyer 2018-02-15 18:19:25 +00:00
parent b458bf0da1
commit d266177a8e
1 changed files with 3 additions and 2 deletions
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5
share/man/man9/pmap_qenter.9
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@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd February 14, 2018
.Dd February 15, 2018
.Dt PMAP_QENTER 9
.Os
.Sh NAME
@ -50,7 +50,8 @@ pointers to wired pages
and enters each of these pages into the kernel virtual address (KVA) space,
beginning at the address
.Fa sva .
The pages are mapped non-executable.
The pages are mapped non-executable, if possible.
(For example, non-PAE i386 has no capability to map pages non-executable.)
.Pp
The
.Fn pmap_qremove