One embodiment of the present invention provides a system that logically partitions different classes of translation lookaside buffer (TLB) entries within a single caching structure. Upon receiving a request to lookup an address translation, the system applies a hash function to parameters associated with the request to determine a corresponding location in the single caching structure where a TLB entry for the request can reside. If the corresponding location contains a TLB entry for the request, the system returns data from the TLB entry to facilitate the address translation. This hash function partitions the single caching structure so that different classes of TLB entries are mapped to separate partitions of the single caching structure. In this way, the single caching structure can accommodate different classes of TLB entries at the same time.

 
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