On Mon, Jan 15, 2024 at 02:37:48PM -0400, Jason Gunthorpe wrote:
> > Drop that check, not only because it'll never be true for hugepd per any
> > known plan, but also it paves way for reusing the function outside
> > fast-gup.
>
> I didn't see any other caller of this function in this series? When
On 17/01/2024 13:22, Jason Gunthorpe wrote:
> On Tue, Jan 16, 2024 at 06:32:32PM +, Christophe Leroy wrote:
hugepd is a page directory dedicated to huge pages, where you have huge
pages listed instead of regular pages. For instance, on powerpc 32 with
each PGD entries covering 4M
On Tue, Jan 16, 2024 at 06:32:32PM +, Christophe Leroy wrote:
> >> hugepd is a page directory dedicated to huge pages, where you have huge
> >> pages listed instead of regular pages. For instance, on powerpc 32 with
> >> each PGD entries covering 4Mbytes, a regular page table has 1024 PTEs. A
>
On Tue, Jan 16, 2024 at 06:30:39AM +, Christophe Leroy wrote:
>
>
> Le 15/01/2024 à 19:37, Jason Gunthorpe a écrit :
> > On Wed, Jan 03, 2024 at 05:14:16PM +0800, pet...@redhat.com wrote:
> >> From: Peter Xu
> >>
> >> Hugepd format for GUP is only used in PowerPC with hugetlbfs. There are
>
Le 15/01/2024 à 19:37, Jason Gunthorpe a écrit :
> On Wed, Jan 03, 2024 at 05:14:16PM +0800, pet...@redhat.com wrote:
>> From: Peter Xu
>>
>> Hugepd format for GUP is only used in PowerPC with hugetlbfs. There are
>> some kernel usage of hugepd (can refer to hugepd_populate_kernel() for
>> PPC_
On Wed, Jan 03, 2024 at 05:14:16PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> Hugepd format for GUP is only used in PowerPC with hugetlbfs. There are
> some kernel usage of hugepd (can refer to hugepd_populate_kernel() for
> PPC_8XX), however those pages are not candidates for GUP.
>
