Author: jeff
Date: Wed Mar 11 22:25:45 2020
New Revision: 358901
URL: https://svnweb.freebsd.org/changeset/base/358901
Log:
Check for busy or wired in vm_page_relookup(). Some callers will only keep
a page wired and expect it to still be present.
Reported by: delp...@freebsd.org
Reviewed by: kib
Modified:
head/sys/vm/vm_page.c
Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c Wed Mar 11 22:05:41 2020 (r358900)
+++ head/sys/vm/vm_page.c Wed Mar 11 22:25:45 2020 (r358901)
@@ -1672,7 +1672,7 @@ vm_page_relookup(vm_object_t object, vm_pindex_t pinde
vm_page_t m;
m = vm_radix_lookup_unlocked(&object->rtree, pindex);
- KASSERT(m != NULL && vm_page_busied(m) &&
+ KASSERT(m != NULL && (vm_page_busied(m) || vm_page_wired(m)) &&
m->object == object && m->pindex == pindex,
("vm_page_relookup: Invalid page %p", m));
return (m);
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