Messages in this thread | | | Date | Tue, 12 Apr 2011 12:48:06 -0400 | From | Konrad Rzeszutek Wilk <> | Subject | Re: [PATCH 4/4] xen: do not create the extra e820 region at an addr lower than 4G |
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On Tue, Apr 12, 2011 at 12:19:52PM +0100, stefano.stabellini@eu.citrix.com wrote: > From: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > > Do not add the extra e820 region at a physical address lower than 4G > because it breaks e820_end_of_low_ram_pfn(). > > It is OK for us to move the xen_extra_mem_start up and down because this > is the index of the memory that can be ballooned in/out - it is memory > not available to the kernel during bootup.
OK. Stuck it on rc3 queue.
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > --- > arch/x86/xen/setup.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c > index 9c38bd1..a51e010 100644 > --- a/arch/x86/xen/setup.c > +++ b/arch/x86/xen/setup.c > @@ -229,7 +229,7 @@ char * __init xen_memory_setup(void) > > memcpy(map_raw, map, sizeof(map)); > e820.nr_map = 0; > - xen_extra_mem_start = mem_end; > + xen_extra_mem_start = max((1ULL << 32), mem_end); > for (i = 0; i < memmap.nr_entries; i++) { > unsigned long long end; > > -- > 1.7.2.3
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