Re: linux-3.7.1: OOPS in page_lock_anon_vma

2013-01-11 Thread Martin Mokrejs
Hugh Dickins wrote: > On Sun, 6 Jan 2013, Martin Mokrejs wrote: > >> I was running 3.7.1 kernel quite fine for a while but I realized that it is >> slow and that >> I should go and drop useless kernel drivers from my kernel. I have a >> SandyBridge-based >> laptop and I found that I gain speed w

Re: linux-3.7.1: OOPS in page_lock_anon_vma

2013-01-07 Thread Martin Mokrejs
Hi Hilf, thank you for your answer on this albeit I am not sure I understood your point well. Hillf Danton wrote: > Hello Martin > > On Mon, Jan 7, 2013 at 6:59 AM, Martin Mokrejs > wrote: >> time to time. With ondemand governor I had cores in C7 for 50-70% of the >> time, that was >> a bit

Re: linux-3.7.1: OOPS in page_lock_anon_vma

2013-01-07 Thread Hillf Danton
Hello Martin On Mon, Jan 7, 2013 at 6:59 AM, Martin Mokrejs wrote: > time to time. With ondemand governor I had cores in C7 for 50-70% of the > time, that was > a bit better with performance governor but having the two hyperthreaded cores > disabled > reduced the context switches by half, resch

Re: linux-3.7.1: OOPS in page_lock_anon_vma

2013-01-06 Thread Hugh Dickins
On Sun, 6 Jan 2013, Martin Mokrejs wrote: > I was running 3.7.1 kernel quite fine for a while but I realized that it is > slow and that > I should go and drop useless kernel drivers from my kernel. I have a > SandyBridge-based > laptop and I found that I gain speed while setting CONFIG_NO_HZ=y,