Author: alc
Date: Sun May 2 23:33:10 2010
New Revision: 207544
URL: http://svn.freebsd.org/changeset/base/207544
Log:
Add page lock assertions where we access the page's hold_count.
Modified:
head/sys/vm/vm_page.c
Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c Sun May 2 22:48:27 2010 (r207543)
+++ head/sys/vm/vm_page.c Sun May 2 23:33:10 2010 (r207544)
@@ -1657,6 +1657,7 @@ vm_page_try_to_cache(vm_page_t m)
{
mtx_assert(&vm_page_queue_mtx, MA_OWNED);
+ vm_page_lock_assert(m, MA_OWNED);
VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED);
if (m->dirty || m->hold_count || m->busy || m->wire_count ||
(m->oflags & VPO_BUSY) || (m->flags & PG_UNMANAGED)) {
@@ -1680,6 +1681,7 @@ vm_page_try_to_free(vm_page_t m)
{
mtx_assert(&vm_page_queue_mtx, MA_OWNED);
+ vm_page_lock_assert(m, MA_OWNED);
if (m->object != NULL)
VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED);
if (m->dirty || m->hold_count || m->busy || m->wire_count ||
@@ -1707,6 +1709,7 @@ vm_page_cache(vm_page_t m)
vm_page_t root;
mtx_assert(&vm_page_queue_mtx, MA_OWNED);
+ vm_page_lock_assert(m, MA_OWNED);
object = m->object;
VM_OBJECT_LOCK_ASSERT(object, MA_OWNED);
if ((m->flags & PG_UNMANAGED) || (m->oflags & VPO_BUSY) || m->busy ||
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