Messages in this thread Patch in this message | | | Date | Wed, 29 Apr 2015 14:41:31 +0100 | From | Mel Gorman <> | Subject | Re: [mm/meminit] PANIC: early exception 06 rip 10:ffffffff811bfa9a error 0 cr2 ffff88000fbff000 |
| |
On Wed, Apr 29, 2015 at 09:28:17PM +0800, Fengguang Wu wrote: > Greetings, > > 0day kernel testing robot got the below dmesg and the first bad commit is > > git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma mm-deferred-meminit-v6r1 > > commit 285c36ab5b3e59865a0f4d79f4c1758455e684f7 > Author: Mel Gorman <mgorman@suse.de> > AuthorDate: Mon Sep 29 14:54:01 2014 +0100 > Commit: Mel Gorman <mgorman@suse.de> > CommitDate: Wed Apr 22 19:48:15 2015 +0100 > > mm: meminit: Reduce number of times pageblocks are set during struct page init > > During parallel sturct page initialisation, ranges are checked for every > PFN unnecessarily which increases boot times. This patch alters when the > ranges are checked. > > Signed-off-by: Mel Gorman <mgorman@suse.de> >
The series is old but I think it's still relevant. Can you try this please?
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 9c8f2a72263d..19543f708642 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4489,8 +4489,8 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, if (!(pfn & (pageblock_nr_pages - 1))) { struct page *page = pfn_to_page(pfn); - set_pageblock_migratetype(page, MIGRATE_MOVABLE); __init_single_page(page, pfn, zone, nid); + set_pageblock_migratetype(page, MIGRATE_MOVABLE); } else { __init_single_pfn(pfn, zone, nid); }
| |