Re: [PATCH v2 4/5] page_alloc: Make movablecore_map has higher priority

From: Tang Chen
Date: Wed Dec 05 2012 - 21:57:54 EST


Hi Liu, Wu,

I got it, thank you very much. The idea is very helpful. :)
I'll apply your patches and do some tests later.

Thanks. :)


On 12/06/2012 10:51 AM, Jianguo Wu wrote:
Hi Tang,

There is a bug in Gerry's patch, please apply this patch to fix it.

---
mm/page_alloc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 41c3b51..d981810 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4383,7 +4383,7 @@ static int __init find_zone_movable_from_movablecore_map(void)
*/
start_pfn = max(start_pfn,
movablecore_map.map[map_pos].start);
- zone_movable_pfn[nid] = roundup(zone_movable_pfn[nid],
+ zone_movable_pfn[nid] = roundup(start_pfn,
MAX_ORDER_NR_PAGES);
break;
}

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/