mm: debug: make bad_range() output more usable and readable
authorDave Hansen <dave.hansen@linux.intel.com>
Wed, 4 Jun 2014 23:07:27 +0000 (16:07 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 4 Jun 2014 23:54:00 +0000 (16:54 -0700)
Nobody outputs memory addresses in decimal.  PFNs are essentially
addresses, and they're gibberish in decimal.  Output them in hex.

Also, add the nid and zone name to give a little more context to the
message.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/page_alloc.c

index ab46f79450984fec5491c05321d9186320f34489..132c337dbe55d5ce4807740007c05b809ffe3808 100644 (file)
@@ -261,8 +261,9 @@ static int page_outside_zone_boundaries(struct zone *zone, struct page *page)
        } while (zone_span_seqretry(zone, seq));
 
        if (ret)
-               pr_err("page %lu outside zone [ %lu - %lu ]\n",
-                       pfn, start_pfn, start_pfn + sp);
+               pr_err("page 0x%lx outside node %d zone %s [ 0x%lx - 0x%lx ]\n",
+                       pfn, zone_to_nid(zone), zone->name,
+                       start_pfn, start_pfn + sp);
 
        return ret;
 }