On Tue, Jul 16, 2013 at 03:41:46PM +0200, Andrea Arcangeli wrote:
>Reset the stats so /proc/sys/vm/compact_memory will scan all memory.
>
>Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
>Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
>Acked-by: Rafael Aquini <aquini@xxxxxxxxxx>
>Acked-by: Mel Gorman <mgorman@xxxxxxx>
Reviewed-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
>---
> mm/compaction.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
>diff --git a/mm/compaction.c b/mm/compaction.c
>index 05ccb4c..cac9594 100644
>--- a/mm/compaction.c
>+++ b/mm/compaction.c
>@@ -1136,12 +1136,14 @@ void compact_pgdat(pg_data_t *pgdat, int order)
>
> static void compact_node(int nid)
> {
>+ pg_data_t *pgdat = NODE_DATA(nid);
> struct compact_control cc = {
> .order = -1,
> .sync = true,
> };
>
>- __compact_pgdat(NODE_DATA(nid), &cc);
>+ reset_isolation_suitable(pgdat);
>+ __compact_pgdat(pgdat, &cc);
> }
>
> /* Compact all nodes in the system */
>
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