Re: [patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-20 Thread Johannes Weiner
On Tue, Jan 20, 2015 at 03:31:19PM +0100, Michal Hocko wrote: > On Tue 20-01-15 09:16:28, Johannes Weiner wrote: > > On Tue, Jan 20, 2015 at 02:25:19PM +0100, Michal Hocko wrote: > [...] > > > Is this planned to be folded into the original patch or go on its own. I > > > am OK with both ways,

Re: [patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-20 Thread Michal Hocko
On Tue 20-01-15 09:16:28, Johannes Weiner wrote: > On Tue, Jan 20, 2015 at 02:25:19PM +0100, Michal Hocko wrote: [...] > > Is this planned to be folded into the original patch or go on its own. I > > am OK with both ways, maybe having it separate would be better from > > documentation POV. > > I

Re: [patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-20 Thread Johannes Weiner
On Tue, Jan 20, 2015 at 02:25:19PM +0100, Michal Hocko wrote: > On Sat 17-01-15 10:21:19, Johannes Weiner wrote: > > High limit reclaim can currently overscan in proportion to how many > > charges are happening concurrently. Tone it down such that charges > > don't target the entire high-boundary

Re: [patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-20 Thread Michal Hocko
On Sat 17-01-15 10:21:19, Johannes Weiner wrote: > High limit reclaim can currently overscan in proportion to how many > charges are happening concurrently. Tone it down such that charges > don't target the entire high-boundary excess, but instead only the > pages they charged themselves when

Re: [patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-20 Thread Johannes Weiner
On Tue, Jan 20, 2015 at 02:25:19PM +0100, Michal Hocko wrote: On Sat 17-01-15 10:21:19, Johannes Weiner wrote: High limit reclaim can currently overscan in proportion to how many charges are happening concurrently. Tone it down such that charges don't target the entire high-boundary

Re: [patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-20 Thread Michal Hocko
On Sat 17-01-15 10:21:19, Johannes Weiner wrote: High limit reclaim can currently overscan in proportion to how many charges are happening concurrently. Tone it down such that charges don't target the entire high-boundary excess, but instead only the pages they charged themselves when excess

Re: [patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-20 Thread Michal Hocko
On Tue 20-01-15 09:16:28, Johannes Weiner wrote: On Tue, Jan 20, 2015 at 02:25:19PM +0100, Michal Hocko wrote: [...] Is this planned to be folded into the original patch or go on its own. I am OK with both ways, maybe having it separate would be better from documentation POV. I submitted

Re: [patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-20 Thread Johannes Weiner
On Tue, Jan 20, 2015 at 03:31:19PM +0100, Michal Hocko wrote: On Tue 20-01-15 09:16:28, Johannes Weiner wrote: On Tue, Jan 20, 2015 at 02:25:19PM +0100, Michal Hocko wrote: [...] Is this planned to be folded into the original patch or go on its own. I am OK with both ways, maybe having

[patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-17 Thread Johannes Weiner
High limit reclaim can currently overscan in proportion to how many charges are happening concurrently. Tone it down such that charges don't target the entire high-boundary excess, but instead only the pages they charged themselves when excess is detected. Reported-by: Michal Hocko

[patch] mm: memcontrol: default hierarchy interface for memory fix - high reclaim

2015-01-17 Thread Johannes Weiner
High limit reclaim can currently overscan in proportion to how many charges are happening concurrently. Tone it down such that charges don't target the entire high-boundary excess, but instead only the pages they charged themselves when excess is detected. Reported-by: Michal Hocko