svn commit: r246844 - user/attilio/vmc-playground/sys/vm
Attilio Rao
attilio at FreeBSD.org
Fri Feb 15 17:22:58 UTC 2013
Author: attilio
Date: Fri Feb 15 17:22:57 2013
New Revision: 246844
URL: http://svnweb.freebsd.org/changeset/base/246844
Log:
Remove an unuseful check as looking up into an empty trie should be
as fast as checking a NULL ptr.
Sponsored by: EMC / Isilon storage division
Modified:
user/attilio/vmc-playground/sys/vm/vm_page.c
Modified: user/attilio/vmc-playground/sys/vm/vm_page.c
==============================================================================
--- user/attilio/vmc-playground/sys/vm/vm_page.c Fri Feb 15 17:21:41 2013 (r246843)
+++ user/attilio/vmc-playground/sys/vm/vm_page.c Fri Feb 15 17:22:57 2013 (r246844)
@@ -1053,9 +1053,7 @@ vm_page_cache_lookup(vm_object_t object,
VM_OBJECT_LOCK_ASSERT(object, MA_OWNED);
mtx_assert(&vm_page_queue_free_mtx, MA_OWNED);
- if (!vm_object_cache_is_empty(object))
- return (vm_radix_lookup(&object->cache, pindex));
- return (NULL);
+ return (vm_radix_lookup(&object->cache, pindex));
}
/*
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