mm: debug: make bad_range() output more usable and readable

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>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ab46f79450984fec5491c05321d9186320f34489..132c337dbe55d5ce4807740007c05b809ffe3808 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -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;
 }