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:
Jan. 26, 2016
Filed:
Dec. 20, 2012
Oracle International Corporation, Redwood Shores, CA (US);
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
A method for deallocation of a memory region involving transmitting, by a host channel adapter (HCA), a first invalidation command for invalidating at least one key associated with the memory region, transmitting, by the HCA, a second invalidation command for invalidating a translation lookaside buffer (TLB) entry for the memory region, invalidate the at least one key associated with the memory region, determining whether all memory access requests to the memory region have been processed by the HCA, stalling processing of the second invalidation command when outstanding memory access requests to the memory region are present, and processing the outstanding memory access requests for the memory region by the HCA before executing the second invalidation command invalidating the TLB entry for the memory region.