cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx> --- mm/page-writeback.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- linux-next.orig/mm/page-writeback.c 2010-12-08 22:44:28.000000000 +0800 +++ linux-next/mm/page-writeback.c 2010-12-08 22:44:28.000000000 +0800 @@ -658,10 +658,10 @@ static void balance_dirty_pages(struct a */ bw = bdi->write_bandwidth; bw = bw * (bdi_thresh - bdi_dirty); - bw = bw / (bdi_thresh / BDI_SOFT_DIRTY_LIMIT + 1); + do_div(bw, bdi_thresh / BDI_SOFT_DIRTY_LIMIT + 1); bw = bw * (task_thresh - bdi_dirty); - bw = bw / (bdi_thresh / TASK_SOFT_DIRTY_LIMIT + 1); + do_div(bw, bdi_thresh / TASK_SOFT_DIRTY_LIMIT + 1); pause = HZ * (pages_dirtied << PAGE_CACHE_SHIFT) / (bw + 1); pause = clamp_val(pause, 1, HZ/10); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>