Re: [PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

On Mon 06-06-16 15:48:32, Johannes Weiner wrote: > When the splitlru patches divided page cache and swap-backed pages > into separate LRU lists, the pressure balance between the lists was > biased to account for the fact that streaming IO can cause memory > pressure with a flood of pages that are

Re: [PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

On Mon 06-06-16 15:48:32, Johannes Weiner wrote: > When the splitlru patches divided page cache and swap-backed pages > into separate LRU lists, the pressure balance between the lists was > biased to account for the fact that streaming IO can cause memory > pressure with a flood of pages that are

Re: [PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

On Mon, Jun 06, 2016 at 03:48:32PM -0400, Johannes Weiner wrote: > When the splitlru patches divided page cache and swap-backed pages > into separate LRU lists, the pressure balance between the lists was > biased to account for the fact that streaming IO can cause memory > pressure with a flood of

Re: [PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

On Mon, Jun 06, 2016 at 03:48:32PM -0400, Johannes Weiner wrote: > When the splitlru patches divided page cache and swap-backed pages > into separate LRU lists, the pressure balance between the lists was > biased to account for the fact that streaming IO can cause memory > pressure with a flood of

Re: [PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

On Mon, Jun 06, 2016 at 10:20:31PM -0400, Rik van Riel wrote: > On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote: > > When the splitlru patches divided page cache and swap-backed pages > > into separate LRU lists, the pressure balance between the lists was > > biased to account for the

Re: [PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

On Mon, Jun 06, 2016 at 10:20:31PM -0400, Rik van Riel wrote: > On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote: > > When the splitlru patches divided page cache and swap-backed pages > > into separate LRU lists, the pressure balance between the lists was > > biased to account for the

Re: [PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote: > When the splitlru patches divided page cache and swap-backed pages > into separate LRU lists, the pressure balance between the lists was > biased to account for the fact that streaming IO can cause memory > pressure with a flood of pages

Re: [PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote: > When the splitlru patches divided page cache and swap-backed pages > into separate LRU lists, the pressure balance between the lists was > biased to account for the fact that streaming IO can cause memory > pressure with a flood of pages

[PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

When the splitlru patches divided page cache and swap-backed pages into separate LRU lists, the pressure balance between the lists was biased to account for the fact that streaming IO can cause memory pressure with a flood of pages that are used only once. New page cache additions would tip the

[PATCH 06/10] mm: remove unnecessary use-once cache bias from LRU balancing

When the splitlru patches divided page cache and swap-backed pages into separate LRU lists, the pressure balance between the lists was biased to account for the fact that streaming IO can cause memory pressure with a flood of pages that are used only once. New page cache additions would tip the