Hi Mel, On Wed, Apr 29, 2015 at 02:41:31PM +0100, Mel Gorman wrote: > 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 <[email protected]> > > AuthorDate: Mon Sep 29 14:54:01 2014 +0100 > > Commit: Mel Gorman <[email protected]> > > 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 <[email protected]> > > > > The series is old but I think it's still relevant. Can you try this > please?
Yes it fixed the problem. Tested-by: Fengguang Wu <[email protected]> Thanks, Fengguang > 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); > } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
