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authorChristian König <christian.koenig@amd.com>2021-01-13 14:02:04 +0100
committerChristian König <christian.koenig@amd.com>2021-01-18 09:26:21 +0100
commitbf9eee249ac2032521677dd74e31ede5429afbc0 (patch)
tree4db885c5e981e16ecd0bb37d98bff936848d3bb1 /drivers/gpu
parent19c329f6808995b142b3966301f217c831e7cf31 (diff)
drm/ttm: stop using GFP_TRANSHUGE_LIGHT
The only flag we really need is __GFP_NOMEMALLOC, highmem depends on dma32 and moveable/compound should never be set in the first place. Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/413812/ Link: https://patchwork.freedesktop.org/patch/413964/ Fixes: d099fc8f540a ("drm/ttm: new TT backend allocation pool v3") Reported-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/ttm/ttm_pool.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c
index 8cd776adc592..11e0313db0ea 100644
--- a/drivers/gpu/drm/ttm/ttm_pool.c
+++ b/drivers/gpu/drm/ttm/ttm_pool.c
@@ -79,12 +79,13 @@ static struct page *ttm_pool_alloc_page(struct ttm_pool *pool, gfp_t gfp_flags,
struct page *p;
void *vaddr;
- if (order) {
- gfp_flags |= GFP_TRANSHUGE_LIGHT | __GFP_NORETRY |
+ /* Don't set the __GFP_COMP flag for higher order allocations.
+ * Mapping pages directly into an userspace process and calling
+ * put_page() on a TTM allocated page is illegal.
+ */
+ if (order)
+ gfp_flags |= __GFP_NOMEMALLOC | __GFP_NORETRY |
__GFP_KSWAPD_RECLAIM;
- gfp_flags &= ~__GFP_MOVABLE;
- gfp_flags &= ~__GFP_COMP;
- }
if (!pool->use_dma_alloc) {
p = alloc_pages(gfp_flags, order);