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author | attilio <attilio@FreeBSD.org> | 2013-02-15 17:22:57 +0000 |
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committer | attilio <attilio@FreeBSD.org> | 2013-02-15 17:22:57 +0000 |
commit | 47d4527f8fb3b97e3572f3d79509ad9a0be79777 (patch) | |
tree | 1877ac7f3d1a6f76df6f1ea459a78aacc03663aa | |
parent | ea8f6ef2836b00732d2ca8678202340b23994309 (diff) | |
download | FreeBSD-src-47d4527f8fb3b97e3572f3d79509ad9a0be79777.zip FreeBSD-src-47d4527f8fb3b97e3572f3d79509ad9a0be79777.tar.gz |
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
-rw-r--r-- | sys/vm/vm_page.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index cf922a7..e845aa6 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -1053,9 +1053,7 @@ vm_page_cache_lookup(vm_object_t object, vm_pindex_t pindex) 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)); } /* |