qemu: improve hugepage allocation failure message

Improve hugepage allocation failure message, indicating
what is happening to the user.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Message-Id: <20180115201700.GA4439@amt.cnet>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/numa.c b/numa.c
index 83675a0..a9528aa 100644 (file)
--- a/numa.c
+++ b/numa.c
@@ -463,6 +463,7 @@ static void allocate_system_memory_nonnuma(MemoryRegion *mr, Object *owner,
             if (mem_prealloc) {
                 exit(1);
             }
+            error_report("falling back to regular RAM allocation.");
 
             /* Legacy behavior: if allocation failed, fall back to
              * regular RAM allocation.