Author: kib
Date: Thu May 2 18:36:52 2013
New Revision: 250188
URL: http://svnweb.freebsd.org/changeset/base/250188
Log:
The page read or written could be wired. Do not requeue if the page
is not on a queue.
Reported and tested by: pho
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/fs/tmpfs/tmpfs_vnops.c
Modified: head/sys/fs/tmpfs/tmpfs_vnops.c
==============================================================================
--- head/sys/fs/tmpfs/tmpfs_vnops.c Thu May 2 18:35:12 2013
(r250187)
+++ head/sys/fs/tmpfs/tmpfs_vnops.c Thu May 2 18:36:52 2013
(r250188)
@@ -494,7 +494,8 @@ tmpfs_nocacheread(vm_object_t tobj, vm_p
vm_page_unhold(m);
vm_page_deactivate(m);
/* Requeue to maintain LRU ordering. */
- vm_page_requeue(m);
+ if (m->queue != PQ_NONE)
+ vm_page_requeue(m);
vm_page_unlock(m);
VM_OBJECT_WUNLOCK(tobj);
@@ -609,7 +610,8 @@ tmpfs_mappedwrite(vm_object_t tobj, size
vm_page_unhold(tpg);
vm_page_deactivate(tpg);
/* Requeue to maintain LRU ordering. */
- vm_page_requeue(tpg);
+ if (tpg->queue != PQ_NONE)
+ vm_page_requeue(tpg);
vm_page_unlock(tpg);
VM_OBJECT_WUNLOCK(tobj);
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