Subject: + mm-debug-make-bad_range-output-more-usable-and-readable.patch added to -mm tree
To: dave.hansen@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 21 Apr 2014 13:26:53 -0700
The patch titled
Subject: mm: debug: make bad_range() output more usable and readable
has been added to the -mm tree. Its filename is
mm-debug-make-bad_range-output-more-usable-and-readable.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-debug-make-bad_range-output-more-usable-and-readable.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-debug-make-bad_range-output-more-usable-and-readable.patch
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------------------------------------------------------
From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN mm/page_alloc.c~mm-debug-make-bad_range-output-more-usable-and-readable mm/page_alloc.c
--- a/mm/page_alloc.c~mm-debug-make-bad_range-output-more-usable-and-readable
+++ a/mm/page_alloc.c
@@ -261,8 +261,9 @@ static int page_outside_zone_boundaries(
} 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;
}
_
Patches currently in -mm which might be from dave.hansen@xxxxxxxxxxxxxxx are
mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix.patch
mm-pass-vm_bug_on-reason-to-dump_page.patch
mm-pass-vm_bug_on-reason-to-dump_page-fix.patch
mm-debug-make-bad_range-output-more-usable-and-readable.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
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