Re: [Nouveau] [PATCH 14/22] nouveau: use alloc_page_vma directly

[Jason Gunthorpe]

On Thu, Jun 13, 2019 at 11:43:17AM +0200, Christoph Hellwig wrote:
> hmm_vma_alloc_locked_page is scheduled to go away, use the proper
> mm function directly.
> 
> Signed-off-by: Christoph Hellwig 
> ---
>  drivers/gpu/drm/nouveau/nouveau_dmem.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Jason Gunthorpe 

Jason
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[Nouveau] [PATCH 14/22] nouveau: use alloc_page_vma directly

[Christoph Hellwig]

hmm_vma_alloc_locked_page is scheduled to go away, use the proper
mm function directly.

Signed-off-by: Christoph Hellwig 
---
 drivers/gpu/drm/nouveau/nouveau_dmem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c 
b/drivers/gpu/drm/nouveau/nouveau_dmem.c
index 40c47d6a7d78..a50f6fd2fe24 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dmem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c
@@ -148,11 +148,12 @@ nouveau_dmem_fault_alloc_and_copy(struct vm_area_struct 
*vma,
if (!spage || !(src_pfns[i] & MIGRATE_PFN_MIGRATE))
continue;
 
-   dpage = hmm_vma_alloc_locked_page(vma, addr);
+   dpage = alloc_page_vma(GFP_HIGHUSER, vma, addr);
if (!dpage) {
dst_pfns[i] = MIGRATE_PFN_ERROR;
continue;
}
+   lock_page(dpage);
 
dst_pfns[i] = migrate_pfn(page_to_pfn(dpage)) |
  MIGRATE_PFN_LOCKED;
-- 
2.20.1

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