OpenBSD Journal

OpenBSD/amd64 kernel virtual address space is now 512GB (opens in new tab)

We almost missed this in a flurry of commits by Jonathan gray (jsg@), but following , 512GB address space. The commit message innocently reads, List: openbsd-cvs Subject: CVS: cvs.openbsd.org: src From: Jonathan Gray Date: 2026-06-22 0:27:33 Message-ID: 162f075352ec66cd () cvs ! openbsd ! org CVSROOT: /cvs Module name: src Changes by: jsg@cvs.openbsd.org 2026/06/21 18:27:33 Modified files: sys/arch/amd64/include: vmparam.h Log message: raise the size of amd64 kern...

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