svn commit: r241044 - head/sys/arm/arm
Alan Cox
alc at FreeBSD.org
Sat Sep 29 08:11:13 UTC 2012
Author: alc
Date: Sat Sep 29 08:11:12 2012
New Revision: 241044
URL: http://svn.freebsd.org/changeset/base/241044
Log:
Update a comment to reflect recent locking changes.
Modified:
head/sys/arm/arm/pmap.c
Modified: head/sys/arm/arm/pmap.c
==============================================================================
--- head/sys/arm/arm/pmap.c Sat Sep 29 05:52:19 2012 (r241043)
+++ head/sys/arm/arm/pmap.c Sat Sep 29 08:11:12 2012 (r241044)
@@ -4562,13 +4562,13 @@ retry:
managed = true;
if (managed) {
/*
- * the ARM pmap tries to maintain a per-mapping
+ * The ARM pmap tries to maintain a per-mapping
* reference bit. The trouble is that it's kept in
* the PV entry, not the PTE, so it's costly to access
- * here. You would need to acquire the page queues
+ * here. You would need to acquire the pvh global
* lock, call pmap_find_pv(), and introduce a custom
* version of vm_page_pa_tryrelock() that releases and
- * reacquires the page queues lock. In the end, I
+ * reacquires the pvh global lock. In the end, I
* doubt it's worthwhile. This may falsely report
* the given address as referenced.
*/
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