From nobody Sun Apr 23 16:49:10 2023 X-Original-To: freebsd-arch@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Q4DkP3bHxz4690D for ; Sun, 23 Apr 2023 16:49:17 +0000 (UTC) (envelope-from gnn@freebsd.org) Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Q4DkN1q1jz4M4l for ; Sun, 23 Apr 2023 16:49:16 +0000 (UTC) (envelope-from gnn@freebsd.org) Authentication-Results: mx1.freebsd.org; dkim=none; spf=softfail (mx1.freebsd.org: 2001:4b98:dc4:8::225 is neither permitted nor denied by domain of gnn@freebsd.org) smtp.mailfrom=gnn@freebsd.org; dmarc=none Received: (Authenticated sender: gnn@neville-neil.com) by mail.gandi.net (Postfix) with ESMTPSA id F10591C0003 for ; Sun, 23 Apr 2023 16:49:13 +0000 (UTC) From: George Neville-Neil To: Arch Subject: Has there been any work or thought put into Heterogeneous Memory Management? Date: Sun, 23 Apr 2023 09:49:10 -0700 X-Mailer: MailMate (1.14r5937) Message-ID: <49ECC9C7-7BC1-4C55-B595-FDF68DE34F96@freebsd.org> List-Id: Discussion related to FreeBSD architecture List-Archive: https://lists.freebsd.org/archives/freebsd-arch List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arch@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; markup=markdown X-Spamd-Result: default: False [-0.58 / 15.00]; SUBJECT_ENDS_QUESTION(1.00)[]; NEURAL_HAM_MEDIUM(-0.99)[-0.992]; NEURAL_HAM_SHORT(-0.96)[-0.962]; NEURAL_SPAM_LONG(0.58)[0.575]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[2001:4b98:dc4:8::225:from]; MLMMJ_DEST(0.00)[freebsd-arch@freebsd.org]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:29169, ipnet:2001:4b98::/32, country:FR]; RCVD_COUNT_TWO(0.00)[2]; TO_DN_ALL(0.00)[]; DMARC_NA(0.00)[freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; FREEFALL_USER(0.00)[gnn]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arch@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; ARC_NA(0.00)[]; TO_DOM_EQ_FROM_DOM(0.00)[] X-Rspamd-Queue-Id: 4Q4DkN1q1jz4M4l X-Spamd-Bar: / X-ThisMailContainsUnwantedMimeParts: N Howdy, A project I'm working with is looking at this feature of Linux: https://www.kernel.org/doc/html/v5.0/vm/hmm.html Has anyone on the project put any thought into a similar system for FreeBSD? Best, George