Re: [PATCH v4 03/11] mm/gup: Applies counting method to monitor gup_pgd_range

2019-10-01 Thread Leonardo Bras
On Tue, 2019-10-01 at 12:04 -0700, John Hubbard wrote: > On 10/1/19 10:56 AM, Leonardo Bras wrote: > > On Mon, 2019-09-30 at 14:51 -0700, John Hubbard wrote: > > > On 9/27/19 4:40 PM, Leonardo Bras wrote: > ... > > > > diff --git a/mm/gup.c b/mm/gup.c > > > > index 98f13ab37bac..7105c829cf44

Re: [PATCH v4 03/11] mm/gup: Applies counting method to monitor gup_pgd_range

2019-10-01 Thread Leonardo Bras
On Mon, 2019-09-30 at 14:51 -0700, John Hubbard wrote: > On 9/27/19 4:40 PM, Leonardo Bras wrote: > > As decribed, gup_pgd_range is a lockless pagetable walk. So, in order to > > monitor against THP split/collapse with the couting method, it's necessary > > s/couting/counting/ > Thanks, fixed

Re: [PATCH v4 03/11] mm/gup: Applies counting method to monitor gup_pgd_range

2019-09-30 Thread Leonardo Bras
On Mon, 2019-09-30 at 14:09 +0300, Kirill A. Shutemov wrote: > On Fri, Sep 27, 2019 at 08:40:00PM -0300, Leonardo Bras wrote: > > As decribed, gup_pgd_range is a lockless pagetable walk. So, in order to > ^ typo > Fixed, thanks! signature.asc Description: This is a digitally signed message

Re: [PATCH v4 03/11] mm/gup: Applies counting method to monitor gup_pgd_range

2019-09-30 Thread Kirill A. Shutemov
On Fri, Sep 27, 2019 at 08:40:00PM -0300, Leonardo Bras wrote: > As decribed, gup_pgd_range is a lockless pagetable walk. So, in order to ^ typo -- Kirill A. Shutemov

[PATCH v4 03/11] mm/gup: Applies counting method to monitor gup_pgd_range

2019-09-27 Thread Leonardo Bras
As decribed, gup_pgd_range is a lockless pagetable walk. So, in order to monitor against THP split/collapse with the couting method, it's necessary to bound it with {start,end}_lockless_pgtbl_walk. There are dummy functions, so it is not going to add any overhead on archs that don't use this