The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 2018
Filed:
Sep. 22, 2016
David W Schroth, Roseville, MN (US);
Kerry M Langsford, Roseville, MN (US);
Max J Heimer, Roseville, MN (US);
Michael J Rieschl, Roseville, MN (US);
David W Schroth, Roseville, MN (US);
Kerry M Langsford, Roseville, MN (US);
Max J Heimer, Roseville, MN (US);
Michael J Rieschl, Roseville, MN (US);
UNISYS CORPORATION, Blue Bell, PA (US);
Abstract
An apparatus includes a memory and a processor coupled to the memory. The processor is configured to perform the steps of: receiving a first head link for a page invalidation chain, the page invalidation chain including a plurality of page invalidation tables (PITs); receiving a second head link for an active real page table (RPT) chain, the active RPT chain including a plurality of RPTs; accessing a PIT, wherein the PIT includes a first data structure and a second data structure; invalidating the one or more RPTs, whereas the one or more RPTs are invalidated simultaneously in a batch; and releasing the one or more RPTs to a free RPT chain, the free RPT chain includes a plurality of released RPTs.