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xen/setup: Only print "Freeing XXX-YYY pfn range: Z pages freed" if Z > 0

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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>
This commit is contained in:
Konrad Rzeszutek Wilk 2012-03-30 15:37:07 -04:00
parent 940713bb2c
commit ca1182387e
1 changed files with 7 additions and 4 deletions
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11
arch/x86/xen/setup.c
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@ -114,8 +114,9 @@ static unsigned long __init xen_release_chunk(unsigned long start,
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 @@ static unsigned long __init xen_set_identity_and_release(
}
}
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;
}