Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

2019-10-06 Thread Kirill A. Shutemov
On Fri, Oct 04, 2019 at 06:45:21AM -0700, Daniel Colascione wrote: > On Fri, Oct 4, 2019 at 6:26 AM Kirill A. Shutemov > wrote: > > On Fri, Oct 04, 2019 at 02:33:49PM +0200, Michal Hocko wrote: > > > On Wed 02-10-19 19:08:16, Daniel Colascione wrote: > > > > On Wed, Oct 2, 2019 at 6:56 PM Qian

Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

2019-10-04 Thread Michal Hocko
On Fri 04-10-19 06:45:21, Daniel Colascione wrote: [...] > Nobody has demonstrated that split RSS accounting actually helps in > the real world. But I've described above, concretely, how split RSS > accounting hurts. I've been trying for over a year to either disable > split RSS accounting or to

Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

2019-10-04 Thread Daniel Colascione
On Fri, Oct 4, 2019 at 6:26 AM Kirill A. Shutemov wrote: > On Fri, Oct 04, 2019 at 02:33:49PM +0200, Michal Hocko wrote: > > On Wed 02-10-19 19:08:16, Daniel Colascione wrote: > > > On Wed, Oct 2, 2019 at 6:56 PM Qian Cai wrote: > > > > > On Oct 2, 2019, at 4:29 PM, Daniel Colascione > > > > >

Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

2019-10-04 Thread Kirill A. Shutemov
On Fri, Oct 04, 2019 at 02:33:49PM +0200, Michal Hocko wrote: > On Wed 02-10-19 19:08:16, Daniel Colascione wrote: > > On Wed, Oct 2, 2019 at 6:56 PM Qian Cai wrote: > > > > On Oct 2, 2019, at 4:29 PM, Daniel Colascione wrote: > > > > > > > > Adding the correct linux-mm address. > > > > > > > >

Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

2019-10-04 Thread Michal Hocko
On Wed 02-10-19 19:08:16, Daniel Colascione wrote: > On Wed, Oct 2, 2019 at 6:56 PM Qian Cai wrote: > > > On Oct 2, 2019, at 4:29 PM, Daniel Colascione wrote: > > > > > > Adding the correct linux-mm address. > > > > > > > > >> +config SPLIT_RSS_COUNTING > > >> + bool "Per-thread mm counter

Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

2019-10-02 Thread Daniel Colascione
On Wed, Oct 2, 2019 at 6:56 PM Qian Cai wrote: > > On Oct 2, 2019, at 4:29 PM, Daniel Colascione wrote: > > > > Adding the correct linux-mm address. > > > > > >> On Wed, Oct 2, 2019 at 1:25 PM Daniel Colascione wrote: > >> > >> Using the new config option, users can disable SPLIT_RSS_COUNTING

Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

2019-10-02 Thread Qian Cai
> On Oct 2, 2019, at 4:29 PM, Daniel Colascione wrote: > > Adding the correct linux-mm address. > > >> On Wed, Oct 2, 2019 at 1:25 PM Daniel Colascione wrote: >> >> Using the new config option, users can disable SPLIT_RSS_COUNTING to >> get increased accuracy in user-visible mm counters.

Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

2019-10-02 Thread Daniel Colascione
Adding the correct linux-mm address. On Wed, Oct 2, 2019 at 1:25 PM Daniel Colascione wrote: > > Using the new config option, users can disable SPLIT_RSS_COUNTING to > get increased accuracy in user-visible mm counters. > > Signed-off-by: Daniel Colascione > --- > include/linux/mm.h