OpenBSD/amd64 kernel virtual address space is now 512GB
by from OpenBSD Journal on (#76GEA)
We almost missed this in a flurry of commits by Jonathan gray (jsg@), but following this commit, OpenBSD/amd64 kernels now have a 512GB address space.
The commit message innocently reads,
List: openbsd-cvsSubject: CVS: cvs.openbsd.org: srcFrom: Jonathan Gray <jsg () cvs ! openbsd ! org>Date: 2026-06-22 0:27:33Message-ID: 162f075352ec66cd () cvs ! openbsd ! orgCVSROOT:/cvsModule name:srcChanges by:jsg@cvs.openbsd.org2026/06/21 18:27:33Modified files:sys/arch/amd64/include: vmparam.h Log message:raise the size of amd64 kernel virtual address space from 4G to 512G