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Message-ID: <4BBB6110.2080505@redhat.com> Date: Tue, 06 Apr 2010 19:28:00 +0300 From: Avi Kivity <avi@...hat.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: Jeremy Fitzhardinge <jeremy@...p.org>, Dmitry Torokhov <dtor@...are.com>, linux-kernel@...r.kernel.org, pv-drivers@...are.com, Dan Magenheimer <dan.magenheimer@...cle.com> Subject: Re: [PATCH] VMware Balloon driver On 04/06/2010 01:40 AM, Andrew Morton wrote: > On Tue, 06 Apr 2010 01:26:11 +0300 > Avi Kivity<avi@...hat.com> wrote: > > >> On 04/06/2010 01:17 AM, Andrew Morton wrote: >> >>>> The basic idea of the driver is to allow a guest system to give up >>>> memory it isn't using so it can be reused by other virtual machines (or >>>> the host itself). >>>> >>>> >>> So... does this differ in any fundamental way from what hibernation >>> does, via shrink_all_memory()? >>> >>> >> Just the _all_ bit, and the fact that we need to report the freed page >> numbers to the hypervisor. >> >> > So... why not tweak that, rather than implementing some parallel thing? > That's maybe 5 lines of code. Most of the code is focused on interpreting requests from the hypervisor and replying with the page numbers. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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