Author: marius
Date: Sat Nov 6 13:58:24 2010
New Revision: 214879
URL: http://svn.freebsd.org/changeset/base/214879
Log:
Implement pmap_is_prefaultable().
Reviewed by: alc (with bugfix)
Modified:
head/sys/sparc64/sparc64/pmap.c
Modified: head/sys/sparc64/sparc64/pmap.c
==============================================================================
--- head/sys/sparc64/sparc64/pmap.c Sat Nov 6 13:46:58 2010
(r214878)
+++ head/sys/sparc64/sparc64/pmap.c Sat Nov 6 13:58:24 2010
(r214879)
@@ -1960,8 +1960,12 @@ pmap_is_modified(vm_page_t m)
boolean_t
pmap_is_prefaultable(pmap_t pmap, vm_offset_t addr)
{
+ boolean_t rv;
- return (FALSE);
+ PMAP_LOCK(pmap);
+ rv = tsb_tte_lookup(pmap, addr) == NULL;
+ PMAP_UNLOCK(pmap);
+ return (rv);
}
/*
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