On Tue, Jun 14, 2022 at 05:45:53PM -0700, Stefano Stabellini wrote:
> Basically, if we allocate (and free) page-by-page it leads to more
> efficient resource utilization but it is slower. If we allocate larger
> contiguous chunks it is faster but it leads to less efficient resource
> utilization.
>
On 15.06.22 03:45, Stefano Stabellini wrote:
Hello Stefano
On Tue, 14 Jun 2022, Oleksandr wrote:
On 11.06.22 03:12, Stefano Stabellini wrote:
On Wed, 8 Jun 2022, Oleksandr wrote:
2. Drop the "page_list" entirely and use "dma_pool" for all (contiguous
and
non-contiguous) allocations. After
On Tue, 14 Jun 2022, Oleksandr wrote:
> On 11.06.22 03:12, Stefano Stabellini wrote:
> > On Wed, 8 Jun 2022, Oleksandr wrote:
> > > 2. Drop the "page_list" entirely and use "dma_pool" for all (contiguous
> > > and
> > > non-contiguous) allocations. After all, all pages are initially contiguous
> >
On 11.06.22 03:12, Stefano Stabellini wrote:
Hello Stefano
On Wed, 8 Jun 2022, Oleksandr wrote:
2. Drop the "page_list" entirely and use "dma_pool" for all (contiguous and
non-contiguous) allocations. After all, all pages are initially contiguous in
fill_list() as they are built from the r
On Wed, 8 Jun 2022, Oleksandr wrote:
> 2. Drop the "page_list" entirely and use "dma_pool" for all (contiguous and
> non-contiguous) allocations. After all, all pages are initially contiguous in
> fill_list() as they are built from the resource. This changes behavior for all
> users of xen_alloc_un
On 04.06.22 00:52, Stefano Stabellini wrote:
Hello Stefano
Thank you for having a look and sorry for the late response.
On Tue, 17 May 2022, Oleksandr Tyshchenko wrote:
From: Oleksandr Tyshchenko
Add ability to allocate unpopulated DMAable (contiguous) pages
suitable for grant mapping in
On Tue, 17 May 2022, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko
>
> Add ability to allocate unpopulated DMAable (contiguous) pages
> suitable for grant mapping into. This is going to be used by gnttab
> code (see gnttab_dma_alloc_pages()).
>
> TODO: There is a code duplication in f
From: Oleksandr Tyshchenko
Add ability to allocate unpopulated DMAable (contiguous) pages
suitable for grant mapping into. This is going to be used by gnttab
code (see gnttab_dma_alloc_pages()).
TODO: There is a code duplication in fill_dma_pool(). Also pool
oparations likely need to be protecte
