From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <600308d605090708597bc20a20@mail.gmail.com> Date: Wed, 7 Sep 2005 17:59:22 +0200 From: Francisco Ballesteros To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] hacking issue: memory resizing In-Reply-To: <431F0B19.9030400@lanl.gov> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <431F0B19.9030400@lanl.gov> Topicbox-Message-UUID: 857cdc16-ead0-11e9-9d60-3106f5b1d025 Getting bigger should be easy, probably just populating the allocators, perhaps using extra rmaps for the extra mem and doing something similar with the allocators on top. Getting smaller may require assigning pages first from permanent rmaps, to avoid relocating vm to the permanent ones. But, is this part really needed? On 9/7/05, Ronald G Minnich wrote: > anybody willing to think about whether dynamic memory resizing would be > doable in a Plan 9 kernel? This is both get bigger and get smaller. >=20 > newer machines have hot-plug memory, as do virtual machines. >=20 > ron >