Re: [mm/gup] 47e29d32af: phoronix-test-suite.npb.FT.A.total_mop_s -45.0% regression

2020-11-19 Thread Oliver Sang
On Wed, Nov 18, 2020 at 10:17:27AM -0800, Dan Williams wrote: > On Wed, Nov 18, 2020 at 5:51 AM Jan Kara wrote: > > > > On Mon 16-11-20 19:35:31, John Hubbard wrote: > > > > > > On 11/16/20 6:48 PM, kernel test robot wrote: > > > > > > > > Greeting, > > > > > > > > FYI, we noticed a -45.0%

Re: [mm/gup] 47e29d32af: phoronix-test-suite.npb.FT.A.total_mop_s -45.0% regression

2020-11-18 Thread John Hubbard
On 11/18/20 10:17 AM, Dan Williams wrote: On Wed, Nov 18, 2020 at 5:51 AM Jan Kara wrote: On Mon 16-11-20 19:35:31, John Hubbard wrote: On 11/16/20 6:48 PM, kernel test robot wrote: Greeting, FYI, we noticed a -45.0% regression of phoronix-test-suite.npb.FT.A.total_mop_s due to commit:

Re: [mm/gup] 47e29d32af: phoronix-test-suite.npb.FT.A.total_mop_s -45.0% regression

2020-11-18 Thread Dan Williams
On Wed, Nov 18, 2020 at 5:51 AM Jan Kara wrote: > > On Mon 16-11-20 19:35:31, John Hubbard wrote: > > > > On 11/16/20 6:48 PM, kernel test robot wrote: > > > > > > Greeting, > > > > > > FYI, we noticed a -45.0% regression of > > > phoronix-test-suite.npb.FT.A.total_mop_s due to commit: > > > > >

Re: [mm/gup] 47e29d32af: phoronix-test-suite.npb.FT.A.total_mop_s -45.0% regression

2020-11-18 Thread Jan Kara
On Mon 16-11-20 19:35:31, John Hubbard wrote: > > On 11/16/20 6:48 PM, kernel test robot wrote: > > > > Greeting, > > > > FYI, we noticed a -45.0% regression of > > phoronix-test-suite.npb.FT.A.total_mop_s due to commit: > > > > That's a huge slowdown... > > > > > commit:

Re: [mm/gup] 47e29d32af: phoronix-test-suite.npb.FT.A.total_mop_s -45.0% regression

2020-11-16 Thread John Hubbard
On 11/16/20 6:48 PM, kernel test robot wrote: Greeting, FYI, we noticed a -45.0% regression of phoronix-test-suite.npb.FT.A.total_mop_s due to commit: That's a huge slowdown... commit: 47e29d32afba11b13efb51f03154a8cf22fb4360 ("mm/gup: page->hpage_pinned_refcount: exact pin counts