Re: [PATCH 2/3] mm, vmscan: Only clear pgdat congested/dirty/writeback state when balanced

2017-03-10 Thread Vlastimil Babka
On 03/09/2017 08:56 AM, Mel Gorman wrote: > A pgdat tracks if recent reclaim encountered too many dirty, writeback > or congested pages. The flags control whether kswapd writes pages back > from reclaim context, tags pages for immediate reclaim when IO completes, > whether processes block on

Re: [PATCH 2/3] mm, vmscan: Only clear pgdat congested/dirty/writeback state when balanced

2017-03-10 Thread Vlastimil Babka
On 03/09/2017 08:56 AM, Mel Gorman wrote: > A pgdat tracks if recent reclaim encountered too many dirty, writeback > or congested pages. The flags control whether kswapd writes pages back > from reclaim context, tags pages for immediate reclaim when IO completes, > whether processes block on

[PATCH 2/3] mm, vmscan: Only clear pgdat congested/dirty/writeback state when balanced

2017-03-08 Thread Mel Gorman
A pgdat tracks if recent reclaim encountered too many dirty, writeback or congested pages. The flags control whether kswapd writes pages back from reclaim context, tags pages for immediate reclaim when IO completes, whether processes block on wait_iff_congested and whether kswapd blocks when too

[PATCH 2/3] mm, vmscan: Only clear pgdat congested/dirty/writeback state when balanced

2017-03-08 Thread Mel Gorman
A pgdat tracks if recent reclaim encountered too many dirty, writeback or congested pages. The flags control whether kswapd writes pages back from reclaim context, tags pages for immediate reclaim when IO completes, whether processes block on wait_iff_congested and whether kswapd blocks when too

[PATCH 2/3] mm, vmscan: Only clear pgdat congested/dirty/writeback state when balanced

2017-02-15 Thread Mel Gorman
A pgdat tracks if recent reclaim encountered too many dirty, writeback or congested pages. The flags control whether kswapd writes pages back from reclaim context, tags pages for immediate reclaim when IO completes, whether processes block on wait_iff_congested and whether kswapd blocks when too

[PATCH 2/3] mm, vmscan: Only clear pgdat congested/dirty/writeback state when balanced

2017-02-15 Thread Mel Gorman
A pgdat tracks if recent reclaim encountered too many dirty, writeback or congested pages. The flags control whether kswapd writes pages back from reclaim context, tags pages for immediate reclaim when IO completes, whether processes block on wait_iff_congested and whether kswapd blocks when too