Messages in this thread | | | Subject | Re: [PATCH] xen: fix the check of e_pfn in xen_find_pfn_range | From | Zhenzhong Duan <> | Date | Tue, 15 Sep 2015 10:02:56 +0800 |
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Hi David
Konrad just ping me on this patch. I originally think I missed to cc you but I does. Could you ack or nak it?
thanks zduan
在 2015/9/2 19:04, Juergen Gross 写道: > On 09/02/2015 12:51 PM, Zhenzhong Duan wrote: >> On some numa system, after dom0 up, we see below warning even if >> there are >> enough pfn ranges could be used for remapping. >> "Unable to find available pfn range, not remapping identity pages" >> >> Fix it to avoid getting a memory region of zero size in >> xen_find_pfn_range. >> >> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com> > > Reviewed-by: Juergen Gross <jgross@suse.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 a3a7546..c11f6b2 100644 >> --- a/arch/x86/xen/setup.c >> +++ b/arch/x86/xen/setup.c >> @@ -178,7 +178,7 @@ static unsigned long __init xen_find_pfn_range( >> e_pfn = PFN_DOWN(entry->addr + entry->size); >> >> /* We only care about E820 after this */ >> - if (e_pfn < *min_pfn) >> + if (e_pfn <= *min_pfn) >> continue; >> >> s_pfn = PFN_UP(entry->addr); >
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