On 06/09/2016 08:04 PM, Mel Gorman wrote:
The balance gap was introduced to apply equal pressure to all zones when reclaiming for a higher zone. With node-based LRU, the need for the balance gap is removed and the code is dead so remove it.Signed-off-by: Mel Gorman <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
--- mm/vmscan.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-)
Also this: include/linux/swap.h:#define KSWAPD_ZONE_BALANCE_GAP_RATIO 100

