{"id":136125,"date":"2026-06-23T11:46:53","date_gmt":"2026-06-23T11:46:53","guid":{"rendered":"http:\/\/webdomino.net\/?guid=32db71bd419fbf084210f311e6f8da07"},"modified":"2026-06-23T11:46:53","modified_gmt":"2026-06-23T11:46:53","slug":"openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2","status":"publish","type":"post","link":"https:\/\/webdomino.net\/index.php\/openbsd\/openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2\/","title":{"rendered":"OpenBSD\/amd64 kernel virtual address space is now 512GB"},"content":{"rendered":"\nWe almost missed this in a flurry of commits by Jonathan gray (<code>jsg@<\/code>), but following <em><a href=\"https:\/\/marc.info\/?l=openbsd-cvs&m=178208801485083&w=2\">this commit<\/a><\/em>, <a href=\"https:\/\/www.openbsd.org\/amd64.html\">OpenBSD\/amd64<\/a> kernels now have a <strong>512<abbr>GB<\/abbr><\/strong> address space.\r\n<p>\r\nThe commit message innocently reads,\r\n<\/p><p>\r\n<blockquote>\r\n<pre>\r\nList:       openbsd-cvs\r\nSubject:    CVS: cvs.openbsd.org: src\r\nFrom:       Jonathan Gray &lt;jsg () cvs ! openbsd ! org&gt;\r\nDate:       2026-06-22 0:27:33\r\nMessage-ID: 162f075352ec66cd () cvs ! openbsd ! org\r\n\r\nCVSROOT:\t\/cvs\r\nModule name:\tsrc\r\nChanges by:\tjsg@cvs.openbsd.org\t2026\/06\/21 18:27:33\r\n\r\nModified files:\r\n\tsys\/arch\/amd64\/include: vmparam.h \r\n\r\nLog message:\r\nraise the size of amd64 kernel virtual address space from 4<abbr>G<\/abbr> to 512<abbr>G<\/abbr>\r\n<\/pre>\r\n<\/blockquote>\r\n\n<\/p><p><a href=\"http:\/\/undeadly.org\/cgi?action=article;sid=20260623114653\">Read more&hellip;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>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.<\/p>\n<p>The commit message innocently reads,<\/p>\n<p>List:       openbsd-cvs<br \/>\nSubject:    CVS: cvs.openbsd&#8230;<\/p>\n","protected":false},"author":174,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OpenBSD\/amd64 kernel virtual address space is now 512GB - WebDomino.NET<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/webdomino.net\/index.php\/openbsd\/openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OpenBSD\/amd64 kernel virtual address space is now 512GB - WebDomino.NET\" \/>\n<meta property=\"og:description\" content=\"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.  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The commit message innocently reads,    List:    openbsd-cvs Subject:  CVS: cvs.openbsd...","og_url":"https:\/\/webdomino.net\/index.php\/openbsd\/openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2\/","og_site_name":"WebDomino.NET","article_published_time":"2026-06-23T11:46:53+00:00","author":"OpenBSD Journal","twitter_misc":{"Written by":"OpenBSD Journal"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/webdomino.net\/index.php\/openbsd\/openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2\/","url":"https:\/\/webdomino.net\/index.php\/openbsd\/openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2\/","name":"OpenBSD\/amd64 kernel virtual address space is now 512GB - WebDomino.NET","isPartOf":{"@id":"https:\/\/webdomino.net\/#website"},"datePublished":"2026-06-23T11:46:53+00:00","dateModified":"2026-06-23T11:46:53+00:00","author":{"@id":"https:\/\/webdomino.net\/#\/schema\/person\/5e6479eaee9a98381747d6c8acf6be72"},"breadcrumb":{"@id":"https:\/\/webdomino.net\/index.php\/openbsd\/openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/webdomino.net\/index.php\/openbsd\/openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/webdomino.net\/index.php\/openbsd\/openbsd-amd64-kernel-virtual-address-space-is-now-512gb-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/webdomino.net\/"},{"@type":"ListItem","position":2,"name":"OpenBSD\/amd64 kernel virtual address space is now 512GB"}]},{"@type":"WebSite","@id":"https:\/\/webdomino.net\/#website","url":"https:\/\/webdomino.net\/","name":"WebDomino.NET","description":"Global NEWS WordPress site","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/webdomino.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/webdomino.net\/#\/schema\/person\/5e6479eaee9a98381747d6c8acf6be72","name":"OpenBSD Journal","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/webdomino.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/57d768f58e5bcb4c2a506e4e9cbd3a40?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/57d768f58e5bcb4c2a506e4e9cbd3a40?s=96&d=mm&r=g","caption":"OpenBSD Journal"},"sameAs":["http:\/\/undeadly.org\/"],"url":"https:\/\/webdomino.net\/index.php\/author\/openbsd-journal\/"}]}},"_links":{"self":[{"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/posts\/136125"}],"collection":[{"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/users\/174"}],"replies":[{"embeddable":true,"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/comments?post=136125"}],"version-history":[{"count":1,"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/posts\/136125\/revisions"}],"predecessor-version":[{"id":136127,"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/posts\/136125\/revisions\/136127"}],"wp:attachment":[{"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/media?parent=136125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/categories?post=136125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webdomino.net\/index.php\/wp-json\/wp\/v2\/tags?post=136125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}