From aa3ec63e0231b84d10dc4b585ee0adc3519d6db2 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 10 May 2016 09:58:51 +0000
Subject: [PATCH] Add locking annotations to amd64 struct md_page members.

Reviewed by:	alc
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
---
 sys/amd64/include/pmap.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sys/amd64/include/pmap.h b/sys/amd64/include/pmap.h
index 39df87a6b343..90546f57052b 100644
--- a/sys/amd64/include/pmap.h
+++ b/sys/amd64/include/pmap.h
@@ -284,9 +284,13 @@ extern pt_entry_t pg_nx;
 struct	pv_entry;
 struct	pv_chunk;
 
+/*
+ * Locks
+ * (p) PV list lock
+ */
 struct md_page {
-	TAILQ_HEAD(,pv_entry)	pv_list;
-	int			pv_gen;
+	TAILQ_HEAD(, pv_entry)	pv_list;  /* (p) */
+	int			pv_gen;   /* (p) */
 	int			pat_mode;
 };