ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,274, issued on June 3, was assigned to Micron Technology Inc. (Boise, Idaho).
"Recall pending cache line eviction" was invented by Dean E. Walker (Allen, Texas) and Tony M. Brewer (Plano, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "System and techniques for recall pending cache line eviction are described herein. A queue that includes a deferred memory request is kept for a cache line. Metadata for the queue is stored in a cache line tag. When a recall is needed, the metadata is written from the tag to a first recall storage, referenced by a memory request ID. After the recall request is transmitted, the memory request ID is written to a sec...