[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: [PATCH][v2.6.29][XEN] Return unused memory to hypervisor
----- "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> wrote: > From: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> > To: "Miroslav Rezanina" <mrezanin@xxxxxxxxxx> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, "Konrad > Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx> > Sent: Thursday, September 17, 2009 6:47:10 PM GMT +01:00 Amsterdam / Berlin / > Bern / Rome / Stockholm / Vienna > Subject: Re: [Xen-devel] Re: [PATCH][v2.6.29][XEN] Return unused memory to > hypervisor > > On 09/17/09 01:14, Miroslav Rezanina wrote: > > Hi Jeremy, > > I check your application. It won't work correctly. You are calling > return_unused_memory in xen_memory_setup that is too soon. > > When you are calling it, there is no hole in map in any case. > Calling should be in xen_post_allocator_init function (in > arch/x86/xen/mmu.c). > > > > OK. Where does the e820 map get changed in the meantime? > xen_memory_setup just set RAM map from 0 to initial nr_pages. Only one place I'm sure map is changed is parsing mem parameter. You mentioned that there can be other cases when some parts of map are removed. > J > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel -- Miroslav Rezanina Software Engineer - Virtualization Team - XEN kernel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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