lkml.org 
[lkml]   [2019]   [Aug]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 04/15] mm: remove the pgmap field from struct hmm_vma_walk
On Thu, Aug 15, 2019 at 04:33:06PM -0400, Jerome Glisse wrote:
> So nor HMM nor driver should dereference the struct page (i do not
> think any iommu driver would either),

Both current hmm drivers convert the hmm pfn back to a page and
eventually call dma_map_page on it. As do the ODP patches from you.

\
 
 \ /
  Last update: 2019-08-16 06:42    [W:0.188 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site