On Wed, Jun 14, 2023 at 05:30:25PM +0200, Thomas Hellström (Intel) wrote:
>
> On 6/14/23 15:22, Tvrtko Ursulin wrote:
> >
> > On 14/06/2023 13:35, Sumitra Sharma wrote:
> > > Pages allocated with GFP_KERNEL cannot come from Highmem.
> > > That is why there is no need to call kmap() on them.
> >
Pages allocated with GFP_KERNEL cannot come from Highmem.
That is why there is no need to call kmap() on them.
Therefore, don't call kmap() on the page coming from
vma_res->bi.pages using for_each_sgt_page() in
i915_vma_coredump_create().
Use a plain page_address() to get the kernel address inste
On 6/14/23 15:22, Tvrtko Ursulin wrote:
On 14/06/2023 13:35, Sumitra Sharma wrote:
Pages allocated with GFP_KERNEL cannot come from Highmem.
That is why there is no need to call kmap() on them.
Are you sure it is GFP_KERNEL backed and not tmpfs? I am not sure
myself so let me copy Matt and
On 14/06/2023 13:35, Sumitra Sharma wrote:
Pages allocated with GFP_KERNEL cannot come from Highmem.
That is why there is no need to call kmap() on them.
Are you sure it is GFP_KERNEL backed and not tmpfs? I am not sure myself
so let me copy Matt and Thomas if they happen to know off hand.
