xen/setup: Only print "Freeing XXX-YYY pfn range: Z pages freed" if Z > 0
Otherwise we can get these meaningless:
Freeing bad80-badf4 pfn range: 0 pages freed
We also can do this for the summary ones - no point of printing
"Set 0 page(s) to 1-1 mapping"
Acked-by: David Vrabel <david.vrabel@citrix.com>
[v1: Extended to the summary printks]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 1ba8dff..7b0ab77 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -114,8 +114,9 @@
len++;
}
}
- printk(KERN_INFO "Freeing %lx-%lx pfn range: %lu pages freed\n",
- start, end, len);
+ if (len)
+ printk(KERN_INFO "Freeing %lx-%lx pfn range: %lu pages freed\n",
+ start, end, len);
return len;
}
@@ -162,8 +163,10 @@
}
}
- printk(KERN_INFO "Released %lu pages of unused memory\n", released);
- printk(KERN_INFO "Set %ld page(s) to 1-1 mapping\n", identity);
+ if (released)
+ printk(KERN_INFO "Released %lu pages of unused memory\n", released);
+ if (identity)
+ printk(KERN_INFO "Set %ld page(s) to 1-1 mapping\n", identity);
return released;
}
