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authorZhenzhong Duan <zhenzhong.duan@oracle.com>2015-10-27 20:19:52 +0100
committerDavid Vrabel <david.vrabel@citrix.com>2015-11-02 18:47:38 +0100
commitabed7d0710e8f892c267932a9492ccf447674fb8 (patch)
treef245cd24450ec88d959407014d06b18761e005aa /drivers/xen/events
parentx86/xen: add reschedule point when mapping foreign GFNs (diff)
downloadlinux-abed7d0710e8f892c267932a9492ccf447674fb8.tar.xz
linux-abed7d0710e8f892c267932a9492ccf447674fb8.zip
xen: fix the check of e_pfn in xen_find_pfn_range
On some NUMA system, after dom0 up, we see below warning even if there are enough pfn ranges that 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> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen/events')
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