Messages in this thread | | | Date | Sun, 14 Sep 2008 15:21:04 +0200 | From | Ingo Molnar <> | Subject | Re: Fix for xen guest with mem > 3.7G |
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* Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> Roberto De Ioris wrote: > > Xen domU kernel 2.6.26 and 2.6.27-rc cannot allocate > > more than 3.7GB of ram on my PAE systems (compiled > > with gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)). > > > > I have found the problem is in function xen_memory_setup (in > > arch/x86/xen/setup.c). > > > > It set max_pfn as 'unsigned long' but add_memory_region() > > takes 'unsigned long long'. > > > > I do not know if it is a compiler problem but this is the simple fix > > (works on my systems): > > > > Thanks very much for the patch. We have a more general fix for this in > Ingo's tip.git tree, but I overlooked that this particular problem > affected current -rc. > > Ingo, this is fixed by the phys_addr_t + PFN_PHYS() patches. Should > we send them up to Linus, or do an ad-hoc fix in this one place?
send an ad-hoc fix please .. the phys_addr_t patches have a too wide impact i think.
Ingo
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