Disable pre-fetching until we fix bug #3835.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30477 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/vm/vm.cpp

@@ -2362,12 +2362,16 @@ _vm_map_file(team_id team, const char* name, void** _address,
 
 	cache->Unlock();
 
+#if 0
+// TODO: Fix ticket #3835 before enabling pre-fetching
+// http://dev.haiku-os.org/ticket/3835
 	if (status == B_OK) {
 		// TODO: this probably deserves a smarter solution, ie. don't always
 		// prefetch stuff
 		cache_prefetch_vnode(vnode, offset, min_c(size, 10LL * 1024 * 1024));
 			// prefetches at max 10 MB starting from "offset"
 	}
+#endif
 
 	if (status != B_OK)
 		return status;