On Thursday, 30 September 2021 5:34:05 AM AEST Jason Gunthorpe wrote:
> On Wed, Sep 29, 2021 at 12:50:15PM +0100, Joao Martins wrote:
>
> > > If the get_dev_pagemap has to remain then it just means we have to
> > > flush before changing pagemap pointers
> > Right -- I don't think we should need it
On Wed, Sep 29, 2021 at 12:50:15PM +0100, Joao Martins wrote:
> > If the get_dev_pagemap has to remain then it just means we have to
> > flush before changing pagemap pointers
> Right -- I don't think we should need it as that discussion on the other
> thread goes.
>
> OTOH, using @pgmap might be
On 9/28/21 19:01, Jason Gunthorpe wrote:
> On Thu, Sep 23, 2021 at 05:51:04PM +0100, Joao Martins wrote:
>> So ... if pgmap accounting was removed from gup-fast then this patch
>> would be a lot simpler and we could perhaps just fallback to the regular
>> hugepage case (THP, HugeTLB) like your sugg
