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drm/ttm: Allow page allocations w/o triggering OOM..

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This to allow drivers to choose to avoid OOM invocation and handle
page allocation failures instead.

v2:
Remove extra new lines.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky
2017-12-22 08:12:40 -05:00
committed by Alex Deucher
parent 7b158d1691
commit cb5f1a52ca
5 changed files with 27 additions and 2 deletions
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6
drivers/gpu/drm/ttm/ttm_page_alloc.c
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@@ -741,6 +741,9 @@ out:
if (ttm_flags & TTM_PAGE_FLAG_ZERO_ALLOC)
gfp_flags |= __GFP_ZERO;
if (ttm_flags & TTM_PAGE_FLAG_NO_RETRY)
gfp_flags |= __GFP_RETRY_MAYFAIL;
/* ttm_alloc_new_pages doesn't reference pool so we can run
* multiple requests in parallel.
**/
@@ -893,6 +896,9 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags,
if (flags & TTM_PAGE_FLAG_ZERO_ALLOC)
gfp_flags |= __GFP_ZERO;
if (flags & TTM_PAGE_FLAG_NO_RETRY)
gfp_flags |= __GFP_RETRY_MAYFAIL;
if (flags & TTM_PAGE_FLAG_DMA32)
gfp_flags |= GFP_DMA32;
else