[Xen-devel] [PATCH for-4.6] xl/vNUMA: Allow empty memory nodes

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

The test for 'nr_vmemranges < nr_vnodes' in xc_domain_setvnuma() was
originally writtten with the idea that number of memory ranges would
at least be equal to number of nodes.

We may want to specify nodes with no memory, however, and thus this
check should be removed.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
---
 tools/libxc/xc_domain.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c
index 2ee26fb..780797f 100644
--- a/tools/libxc/xc_domain.c
+++ b/tools/libxc/xc_domain.c
@@ -2451,8 +2451,7 @@ int xc_domain_setvnuma(xc_interface *xch,
                              XC_HYPERCALL_BUFFER_BOUNCE_BOTH);
     errno = EINVAL;
 
-    if ( nr_vnodes == 0 || nr_vmemranges == 0 ||
-         nr_vmemranges < nr_vnodes || nr_vcpus == 0 )
+    if ( nr_vnodes == 0 || nr_vmemranges == 0 || nr_vcpus == 0 )
         return -1;
 
     if ( !vdistance || !vcpu_to_vnode || !vmemrange || !vnode_to_pnode )
-- 
1.9.3


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