[PATCH 1/5] sched: limit cpu search in select_idle_cpu

2018-06-28 Thread subhra mazumdar
Put upper and lower limit on cpu search of select_idle_cpu. The lower limit is amount of cpus in a core while upper limit is twice that. This ensures for any architecture we will usually search beyond a core. The upper limit also helps in keeping the search cost low and constant. Signed-off-by: su

Re: [PATCH 1/5] sched: limit cpu search in select_idle_cpu

2018-06-12 Thread Subhra Mazumdar
On 06/12/2018 01:33 PM, kbuild test robot wrote: Hi subhra, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/sched/core] [also build test WARNING on v4.17 next-20180612] [if your patch is applied to the wrong git tree, please drop us a note to help impr

Re: [PATCH 1/5] sched: limit cpu search in select_idle_cpu

2018-06-12 Thread kbuild test robot
Hi subhra, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/sched/core] [also build test WARNING on v4.17 next-20180612] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/l

[PATCH 1/5] sched: limit cpu search in select_idle_cpu

2018-06-12 Thread subhra mazumdar
Put upper and lower limit on cpu search of select_idle_cpu. The lower limit is amount of cpus in a core while upper limit is twice that. This ensures for any architecture we will usually search beyond a core. The upper limit also helps in keeping the search cost low and constant. Signed-off-by: su