Re: [Libvir] [RFC] Check host's minimum memory.

Hi, Dan O.K. I will asking Xen-devel with policy forcing patch. Thanks Atsushi SAKAI "Daniel P. Berrange" <berrange(a)redhat.com&gt; wrote: > On Wed, Mar 07, 2007 at 06:43:14AM -0500, Daniel Veillard wrote: > > On Tue, Mar 06, 2007 at 02:40:24PM +0900, Masayuki Sunou wrote: > > > Hi > > > > > > The minimum value of the memory guarded with virsh setmem is 4096KB(4MB). > > > In general, when host's memory is set to 4MB, the host stops. > > > > > > Therefore, I propose the patch to which host's minimum value of the memory > > > is guarded by 256MB. > > > > I have run guests in 64MB of memory, so 256 as an arbitrary limit sounds > > way too high to me. There is some places in libvirt code where 64 is the limit > > (e.g. xend_parse_sexp_desc() if ((cur_mem > 63) && (cur_mem != max_mem)) ...) > > so if we set a limit here too that should be homogenized (using a constant > > in internal.h preferably). > > This still feels wrong to me - I'm don't like the idea of libvirt enforcing > policy decisions, particularly when they're compiled in. With the current > bloated Xen python stack we probably won't go below 64 MB, but we won't always > be managing Xen, nor will Xen forever be stuck with a python stack (i hope :-). > I'd say that if possible XenD should be fixed to honour dom0_min_memory in all > cases, rather than just when ballooning down to start a guest. > > Regards, > Dan. > -- > |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| > |=- Perl modules: http://search.cpan.org/~danberr/ -=| > |=- Projects: http://freshmeat.net/~danielpb/ -=| > |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=| > > -- > Libvir-list mailing list > Libvir-list(a)redhat.com > https://www.redhat.com/mailman/listinfo/libvir-list -- Libvir-list mailing list Libvir-list(a)redhat.com https://www.redhat.com/mailman/listinfo/libvir-list