Re: [PATCH 3/6] cpufreq: governor: Drop min_sampling_rate

2017-06-29 Thread Viresh Kumar
On 30-06-17, 06:53, Dominik Brodowski wrote: > On Fri, Jun 30, 2017 at 09:04:25AM +0530, Viresh Kumar wrote: > > On 29-06-17, 20:01, Dominik Brodowski wrote: > > > On Thu, Jun 29, 2017 at 04:29:06PM +0530, Viresh Kumar wrote: > > > > The cpufreq core and governors aren't supposed to set a limit on

Re: [PATCH 3/6] cpufreq: governor: Drop min_sampling_rate

2017-06-29 Thread Dominik Brodowski
On Fri, Jun 30, 2017 at 09:04:25AM +0530, Viresh Kumar wrote: > On 29-06-17, 20:01, Dominik Brodowski wrote: > > On Thu, Jun 29, 2017 at 04:29:06PM +0530, Viresh Kumar wrote: > > > The cpufreq core and governors aren't supposed to set a limit on how > > > fast we want to try changing the frequency.

Re: [PATCH 3/6] cpufreq: governor: Drop min_sampling_rate

2017-06-29 Thread Viresh Kumar
On 29-06-17, 20:01, Dominik Brodowski wrote: > On Thu, Jun 29, 2017 at 04:29:06PM +0530, Viresh Kumar wrote: > > The cpufreq core and governors aren't supposed to set a limit on how > > fast we want to try changing the frequency. This is currently done for > > the legacy governors with help of min_

Re: [v3 1/6] mm, oom: use oom_victims counter to synchronize oom victim selection

2017-06-29 Thread Tetsuo Handa
Roman Gushchin wrote: > On Fri, Jun 23, 2017 at 06:52:20AM +0900, Tetsuo Handa wrote: > > Tetsuo Handa wrote: > > Oops, I misinterpreted. This is where a multithreaded OOM victim with or > > without > > the OOM reaper can get stuck forever. Think about a process with two > > threads is > > select

Re: [PATCH] Documentation: fix wrong example command

2017-06-29 Thread Jonathan Corbet
On Thu, 29 Jun 2017 18:36:35 +0200 Matteo Croce wrote: > Signed-off-by: Matteo Croce > --- > Documentation/networking/ipvlan.txt | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/Documentation/networking/ipvlan.txt > b/Documentation/networking/ipvlan.txt > index 241

Re: [v3 1/6] mm, oom: use oom_victims counter to synchronize oom victim selection

2017-06-29 Thread Roman Gushchin
On Fri, Jun 23, 2017 at 06:52:20AM +0900, Tetsuo Handa wrote: > Tetsuo Handa wrote: > > Roman Gushchin wrote: > > > On Thu, Jun 22, 2017 at 09:40:28AM +0900, Tetsuo Handa wrote: > > > > Roman Gushchin wrote: > > > > > --- a/mm/oom_kill.c > > > > > +++ b/mm/oom_kill.c > > > > > @@ -992,6 +992,13 @@

Re: [v3 5/6] mm, oom: don't mark all oom victims tasks with TIF_MEMDIE

2017-06-29 Thread Roman Gushchin
On Thu, Jun 29, 2017 at 10:53:57AM +0200, Michal Hocko wrote: > On Wed 21-06-17 22:19:15, Roman Gushchin wrote: > > We want to limit the number of tasks which are having an access > > to the memory reserves. To ensure the progress it's enough > > to have one such process at the time. > > > > If we

Re: [PATCH 3/6] cpufreq: governor: Drop min_sampling_rate

2017-06-29 Thread Dominik Brodowski
On Thu, Jun 29, 2017 at 04:29:06PM +0530, Viresh Kumar wrote: > The cpufreq core and governors aren't supposed to set a limit on how > fast we want to try changing the frequency. This is currently done for > the legacy governors with help of min_sampling_rate. > > At worst, we may end up setting t

[PATCH] Documentation: fix wrong example command

2017-06-29 Thread Matteo Croce
Signed-off-by: Matteo Croce --- Documentation/networking/ipvlan.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/networking/ipvlan.txt b/Documentation/networking/ipvlan.txt index 24196ce..1fe42a8 100644 --- a/Documentation/networking/ipvlan.txt +++ b/Docu

Re: [PATCH v8 00/20] ILP32 for ARM64

2017-06-29 Thread Catalin Marinas
Hi Yury, On Mon, Jun 19, 2017 at 06:49:43PM +0300, Yury Norov wrote: > This series enables aarch64 with ilp32 mode. Thanks for putting this series together, I do appreciate the effort. There are still some review comments coming in but I'm happy with how the ABI looks now. I did some LTP testing

[PATCH 3/6] cpufreq: governor: Drop min_sampling_rate

2017-06-29 Thread Viresh Kumar
The cpufreq core and governors aren't supposed to set a limit on how fast we want to try changing the frequency. This is currently done for the legacy governors with help of min_sampling_rate. At worst, we may end up setting the sampling rate to a value lower than the rate at which frequency can b

Re: [v3 1/6] mm, oom: use oom_victims counter to synchronize oom victim selection

2017-06-29 Thread Michal Hocko
On Wed 21-06-17 22:19:11, Roman Gushchin wrote: > Oom killer should avoid unnecessary kills. To prevent them, during > the tasks list traverse we check for task which was previously > selected as oom victims. If there is such a task, new victim > is not selected. > > This approach is sub-optimal (

Re: [v3 5/6] mm, oom: don't mark all oom victims tasks with TIF_MEMDIE

2017-06-29 Thread Michal Hocko
On Wed 21-06-17 22:19:15, Roman Gushchin wrote: > We want to limit the number of tasks which are having an access > to the memory reserves. To ensure the progress it's enough > to have one such process at the time. > > If we need to kill the whole cgroup, let's give an access to the > memory reser