[PATCH] drm/ttm: cleanup BO size handling v2

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Based on an idea from Dave, but cleaned up a bit.

We had multiple fields for essentially the same thing.

Now bo->base.size is the original size of the BO in
arbitrary units, usually bytes.

bo->mem.num_pages is the size in number of pages in the
resource domain of bo->mem.mem_type.

v2: use the GEM object size instead of the BO size

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx> (v1)
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c   |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c       |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c    |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.h    |  4 +--
 drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h     |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c       |  6 ++--
 drivers/gpu/drm/amd/amdgpu/mes_v10_1.c        |  2 +-
 drivers/gpu/drm/nouveau/nouveau_bo.c          | 10 +++---
 drivers/gpu/drm/nouveau/nouveau_display.c     |  6 ++--
 drivers/gpu/drm/nouveau/nouveau_prime.c       |  4 +--
 drivers/gpu/drm/nouveau/nv17_fence.c          |  2 +-
 drivers/gpu/drm/nouveau/nv50_fence.c          |  2 +-
 drivers/gpu/drm/qxl/qxl_object.h              |  2 +-
 drivers/gpu/drm/radeon/radeon_cs.c            |  3 +-
 drivers/gpu/drm/radeon/radeon_object.c        | 13 ++++----
 drivers/gpu/drm/radeon/radeon_object.h        |  4 +--
 drivers/gpu/drm/radeon/radeon_prime.c         |  4 +--
 drivers/gpu/drm/radeon/radeon_trace.h         |  2 +-
 drivers/gpu/drm/radeon/radeon_ttm.c           |  2 +-
 drivers/gpu/drm/ttm/ttm_bo.c                  | 33 ++++++-------------
 drivers/gpu/drm/ttm/ttm_bo_util.c             | 12 +++----
 drivers/gpu/drm/ttm/ttm_bo_vm.c               |  6 ++--
 drivers/gpu/drm/ttm/ttm_tt.c                  |  2 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_blit.c          |  4 +--
 drivers/gpu/drm/vmwgfx/vmwgfx_bo.c            |  6 ++--
 drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c       |  2 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c       |  4 +--
 drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c |  5 ++-
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c           |  2 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_page_dirty.c    |  8 ++---
 drivers/gpu/drm/vmwgfx/vmwgfx_resource.c      |  2 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_shader.c        |  3 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c          |  4 +--
 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c       |  7 ++--
 include/drm/ttm/ttm_bo_api.h                  |  9 ++---
 include/drm/ttm/ttm_resource.h                |  1 -
 36 files changed, 82 insertions(+), 102 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index e5919efca870..c4c93f19d273 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -269,7 +269,7 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,
 	case TTM_PL_TT:
 		sgt = drm_prime_pages_to_sg(obj->dev,
 					    bo->tbo.ttm->pages,
-					    bo->tbo.num_pages);
+					    bo->tbo.ttm->num_pages);
 		if (IS_ERR(sgt))
 			return sgt;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 056cb87d09ea..52bcd1b5582f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -121,7 +121,7 @@ uint64_t amdgpu_gmc_agp_addr(struct ttm_buffer_object *bo)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
 
-	if (bo->num_pages != 1 || bo->ttm->caching == ttm_cached)
+	if (bo->ttm->num_pages != 1 || bo->ttm->caching == ttm_cached)
 		return AMDGPU_BO_INVALID_OFFSET;
 
 	if (bo->ttm->dma_address[0] + PAGE_SIZE >= adev->gmc.agp_size)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index c6c9723d3d8a..381ecc4788d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -787,7 +787,7 @@ int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
 	if (r < 0)
 		return r;
 
-	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap);
+	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.mem.num_pages, &bo->kmap);
 	if (r)
 		return r;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index ed47cbac4f75..a99a5cde42dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -174,12 +174,12 @@ static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
 
 static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
 {
-	return bo->tbo.num_pages << PAGE_SHIFT;
+	return bo->tbo.base.size;
 }
 
 static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
 {
-	return (bo->tbo.num_pages << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE;
+	return bo->tbo.base.size / AMDGPU_GPU_PAGE_SIZE;
 }
 
 static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index ee9480d14cbc..20715ddbb746 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -127,7 +127,7 @@ TRACE_EVENT(amdgpu_bo_create,
 
 	    TP_fast_assign(
 			   __entry->bo = bo;
-			   __entry->pages = bo->tbo.num_pages;
+			   __entry->pages = bo->tbo.mem.num_pages;
 			   __entry->type = bo->tbo.mem.mem_type;
 			   __entry->prefer = bo->preferred_domains;
 			   __entry->allow = bo->allowed_domains;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index ec93d4fdabbd..5346891a3f73 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -636,7 +636,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
 
 out:
 	/* update statistics */
-	atomic64_add((u64)bo->num_pages << PAGE_SHIFT, &adev->num_bytes_moved);
+	atomic64_add(bo->base.size, &adev->num_bytes_moved);
 	amdgpu_bo_move_notify(bo, evict, new_mem);
 	return 0;
 }
@@ -2131,7 +2131,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
 			return r;
 	}
 
-	num_pages = bo->tbo.num_pages;
+	num_pages = bo->tbo.mem.num_pages;
 	mm_node = bo->tbo.mem.mm_node;
 	num_loops = 0;
 	while (num_pages) {
@@ -2161,7 +2161,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
 		}
 	}
 
-	num_pages = bo->tbo.num_pages;
+	num_pages = bo->tbo.mem.num_pages;
 	mm_node = bo->tbo.mem.mm_node;
 
 	while (num_pages) {
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
index 985e454463e1..7f30629f21a2 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
@@ -554,7 +554,7 @@ static int mes_v10_1_allocate_eop_buf(struct amdgpu_device *adev)
 		return r;
 	}
 
-	memset(eop, 0, adev->mes.eop_gpu_obj->tbo.mem.size);
+	memset(eop, 0, adev->mes.eop_gpu_obj->tbo.base.size);
 
 	amdgpu_bo_kunmap(adev->mes.eop_gpu_obj);
 	amdgpu_bo_unreserve(adev->mes.eop_gpu_obj);
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index bc542ac4c4b6..c1a675b8fc43 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -473,10 +473,10 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
 
 	switch (bo->mem.mem_type) {
 	case TTM_PL_VRAM:
-		drm->gem.vram_available -= bo->mem.size;
+		drm->gem.vram_available -= bo->base.size;
 		break;
 	case TTM_PL_TT:
-		drm->gem.gart_available -= bo->mem.size;
+		drm->gem.gart_available -= bo->base.size;
 		break;
 	default:
 		break;
@@ -504,10 +504,10 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo)
 	if (!nvbo->bo.pin_count) {
 		switch (bo->mem.mem_type) {
 		case TTM_PL_VRAM:
-			drm->gem.vram_available += bo->mem.size;
+			drm->gem.vram_available += bo->base.size;
 			break;
 		case TTM_PL_TT:
-			drm->gem.gart_available += bo->mem.size;
+			drm->gem.gart_available += bo->base.size;
 			break;
 		default:
 			break;
@@ -913,7 +913,7 @@ nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_resource *new_reg,
 		return 0;
 
 	if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_CELSIUS) {
-		*new_tile = nv10_bo_set_tiling(dev, offset, new_reg->size,
+		*new_tile = nv10_bo_set_tiling(dev, offset, bo->base.size,
 					       nvbo->mode, nvbo->zeta);
 	}
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index bceb48a2dfca..584d1f1febcb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -288,9 +288,9 @@ nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo,
 
 	DRM_DEBUG_KMS("offset=%u stride=%u h=%u tile_mode=0x%02x bw=%u bh=%u gob_size=%u bl_size=%llu size=%lu\n",
 		      offset, stride, h, tile_mode, bw, bh, gob_size, bl_size,
-		      nvbo->bo.mem.size);
+		      nvbo->bo.base.size);
 
-	if (bl_size + offset > nvbo->bo.mem.size)
+	if (bl_size + offset > nvbo->bo.base.size)
 		return -ERANGE;
 
 	return 0;
@@ -363,7 +363,7 @@ nouveau_framebuffer_new(struct drm_device *dev,
 		} else {
 			uint32_t size = mode_cmd->pitches[i] * height;
 
-			if (size + mode_cmd->offsets[i] > nvbo->bo.mem.size)
+			if (size + mode_cmd->offsets[i] > nvbo->bo.base.size)
 				return -ERANGE;
 		}
 	}
diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c
index 2f16b5249283..347488685f74 100644
--- a/drivers/gpu/drm/nouveau/nouveau_prime.c
+++ b/drivers/gpu/drm/nouveau/nouveau_prime.c
@@ -30,9 +30,9 @@
 struct sg_table *nouveau_gem_prime_get_sg_table(struct drm_gem_object *obj)
 {
 	struct nouveau_bo *nvbo = nouveau_gem_object(obj);
-	int npages = nvbo->bo.num_pages;
 
-	return drm_prime_pages_to_sg(obj->dev, nvbo->bo.ttm->pages, npages);
+	return drm_prime_pages_to_sg(obj->dev, nvbo->bo.ttm->pages,
+				     nvbo->bo.ttm->num_pages);
 }
 
 struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev,
diff --git a/drivers/gpu/drm/nouveau/nv17_fence.c b/drivers/gpu/drm/nouveau/nv17_fence.c
index 1253fdec712d..b1cd8d7dd87d 100644
--- a/drivers/gpu/drm/nouveau/nv17_fence.c
+++ b/drivers/gpu/drm/nouveau/nv17_fence.c
@@ -80,7 +80,7 @@ nv17_fence_context_new(struct nouveau_channel *chan)
 	struct nv10_fence_chan *fctx;
 	struct ttm_resource *reg = &priv->bo->bo.mem;
 	u32 start = reg->start * PAGE_SIZE;
-	u32 limit = start + reg->size - 1;
+	u32 limit = start + priv->bo->bo.base.size - 1;
 	int ret = 0;
 
 	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
diff --git a/drivers/gpu/drm/nouveau/nv50_fence.c b/drivers/gpu/drm/nouveau/nv50_fence.c
index 447238e3cbe7..1625826505f6 100644
--- a/drivers/gpu/drm/nouveau/nv50_fence.c
+++ b/drivers/gpu/drm/nouveau/nv50_fence.c
@@ -39,7 +39,7 @@ nv50_fence_context_new(struct nouveau_channel *chan)
 	struct nv10_fence_chan *fctx;
 	struct ttm_resource *reg = &priv->bo->bo.mem;
 	u32 start = reg->start * PAGE_SIZE;
-	u32 limit = start + reg->size - 1;
+	u32 limit = start + priv->bo->bo.base.size - 1;
 	int ret;
 
 	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h
index ebf24c9d2bf2..e60a8f88e226 100644
--- a/drivers/gpu/drm/qxl/qxl_object.h
+++ b/drivers/gpu/drm/qxl/qxl_object.h
@@ -50,7 +50,7 @@ static inline void qxl_bo_unreserve(struct qxl_bo *bo)
 
 static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
 {
-	return bo->tbo.num_pages << PAGE_SHIFT;
+	return bo->tbo.base.size;
 }
 
 static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 21ce2f9502c0..4f35c32957be 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -401,7 +401,8 @@ static int cmp_size_smaller_first(void *priv, struct list_head *a,
 	struct radeon_bo_list *lb = list_entry(b, struct radeon_bo_list, tv.head);
 
 	/* Sort A before B if A is smaller. */
-	return (int)la->robj->tbo.num_pages - (int)lb->robj->tbo.num_pages;
+	return (int)la->robj->tbo.mem.num_pages -
+		(int)lb->robj->tbo.mem.num_pages;
 }
 
 /**
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index ab81e35cb060..9a999930e3dd 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -54,20 +54,19 @@ static void radeon_update_memory_usage(struct radeon_bo *bo,
 				       unsigned mem_type, int sign)
 {
 	struct radeon_device *rdev = bo->rdev;
-	u64 size = (u64)bo->tbo.num_pages << PAGE_SHIFT;
 
 	switch (mem_type) {
 	case TTM_PL_TT:
 		if (sign > 0)
-			atomic64_add(size, &rdev->gtt_usage);
+			atomic64_add(bo->tbo.base.size, &rdev->gtt_usage);
 		else
-			atomic64_sub(size, &rdev->gtt_usage);
+			atomic64_sub(bo->tbo.base.size, &rdev->gtt_usage);
 		break;
 	case TTM_PL_VRAM:
 		if (sign > 0)
-			atomic64_add(size, &rdev->vram_usage);
+			atomic64_add(bo->tbo.base.size, &rdev->vram_usage);
 		else
-			atomic64_sub(size, &rdev->vram_usage);
+			atomic64_sub(bo->tbo.base.size, &rdev->vram_usage);
 		break;
 	}
 }
@@ -256,7 +255,7 @@ int radeon_bo_kmap(struct radeon_bo *bo, void **ptr)
 		}
 		return 0;
 	}
-	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap);
+	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.mem.num_pages, &bo->kmap);
 	if (r) {
 		return r;
 	}
@@ -610,7 +609,7 @@ int radeon_bo_get_surface_reg(struct radeon_bo *bo)
 out:
 	radeon_set_surface_reg(rdev, i, bo->tiling_flags, bo->pitch,
 			       bo->tbo.mem.start << PAGE_SHIFT,
-			       bo->tbo.num_pages << PAGE_SHIFT);
+			       bo->tbo.base.size);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index d606e9a935e3..9896d8231fe5 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -109,12 +109,12 @@ static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo)
 
 static inline unsigned long radeon_bo_size(struct radeon_bo *bo)
 {
-	return bo->tbo.num_pages << PAGE_SHIFT;
+	return bo->tbo.base.size;
 }
 
 static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo)
 {
-	return (bo->tbo.num_pages << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE;
+	return bo->tbo.base.size / RADEON_GPU_PAGE_SIZE;
 }
 
 static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo)
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index 088d39a51c0d..0a09dbaba289 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -34,9 +34,9 @@
 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj)
 {
 	struct radeon_bo *bo = gem_to_radeon_bo(obj);
-	int npages = bo->tbo.num_pages;
 
-	return drm_prime_pages_to_sg(obj->dev, bo->tbo.ttm->pages, npages);
+	return drm_prime_pages_to_sg(obj->dev, bo->tbo.ttm->pages,
+				     bo->tbo.ttm->num_pages);
 }
 
 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h
index c93f3ab3c4e3..1729cb9a95c5 100644
--- a/drivers/gpu/drm/radeon/radeon_trace.h
+++ b/drivers/gpu/drm/radeon/radeon_trace.h
@@ -22,7 +22,7 @@ TRACE_EVENT(radeon_bo_create,
 
 	    TP_fast_assign(
 			   __entry->bo = bo;
-			   __entry->pages = bo->tbo.num_pages;
+			   __entry->pages = bo->tbo.mem.num_pages;
 			   ),
 	    TP_printk("bo=%p, pages=%u", __entry->bo, __entry->pages)
 );
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index a3432c6343ba..ea365ac6f4f1 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -274,7 +274,7 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
 
 out:
 	/* update statistics */
-	atomic64_add((u64)bo->num_pages << PAGE_SHIFT, &rdev->num_bytes_moved);
+	atomic64_add(bo->base.size, &rdev->num_bytes_moved);
 	radeon_bo_move_notify(bo, evict, new_mem);
 	return 0;
 }
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 02cc5d247c0d..4eeeb9cb0d72 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -73,8 +73,8 @@ static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
 	int i, mem_type;
 
 	drm_printf(&p, "No space for %p (%lu pages, %luK, %luM)\n",
-		   bo, bo->mem.num_pages, bo->mem.size >> 10,
-		   bo->mem.size >> 20);
+		   bo, bo->mem.num_pages, bo->base.size >> 10,
+		   bo->base.size >> 20);
 	for (i = 0; i < placement->num_placement; i++) {
 		mem_type = placement->placement[i].mem_type;
 		drm_printf(&p, "  placement[%d]=0x%08X (%d)\n",
@@ -268,7 +268,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 		goto out_err;
 	}
 
-	ctx->bytes_moved += bo->num_pages << PAGE_SHIFT;
+	ctx->bytes_moved += bo->base.size;
 	return 0;
 
 out_err:
@@ -985,8 +985,7 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
 
 	memset(&hop, 0, sizeof(hop));
 
-	mem.num_pages = bo->num_pages;
-	mem.size = mem.num_pages << PAGE_SHIFT;
+	mem.num_pages = PAGE_ALIGN(bo->base.size) >> PAGE_SHIFT;
 	mem.page_alignment = bo->mem.page_alignment;
 	mem.bus.offset = 0;
 	mem.bus.addr = NULL;
@@ -1102,7 +1101,7 @@ EXPORT_SYMBOL(ttm_bo_validate);
 
 int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 			 struct ttm_buffer_object *bo,
-			 unsigned long size,
+			 size_t size,
 			 enum ttm_bo_type type,
 			 struct ttm_placement *placement,
 			 uint32_t page_alignment,
@@ -1113,9 +1112,8 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 			 void (*destroy) (struct ttm_buffer_object *))
 {
 	struct ttm_mem_global *mem_glob = &ttm_mem_glob;
-	int ret = 0;
-	unsigned long num_pages;
 	bool locked;
+	int ret = 0;
 
 	ret = ttm_mem_global_alloc(mem_glob, acc_size, ctx);
 	if (ret) {
@@ -1127,16 +1125,6 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 		return -ENOMEM;
 	}
 
-	num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
-	if (num_pages == 0) {
-		pr_err("Illegal buffer object size\n");
-		if (destroy)
-			(*destroy)(bo);
-		else
-			kfree(bo);
-		ttm_mem_global_free(mem_glob, acc_size);
-		return -EINVAL;
-	}
 	bo->destroy = destroy ? destroy : ttm_bo_default_destroy;
 
 	kref_init(&bo->kref);
@@ -1145,10 +1133,8 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 	INIT_LIST_HEAD(&bo->swap);
 	bo->bdev = bdev;
 	bo->type = type;
-	bo->num_pages = num_pages;
-	bo->mem.size = num_pages << PAGE_SHIFT;
 	bo->mem.mem_type = TTM_PL_SYSTEM;
-	bo->mem.num_pages = bo->num_pages;
+	bo->mem.num_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
 	bo->mem.mm_node = NULL;
 	bo->mem.page_alignment = page_alignment;
 	bo->mem.bus.offset = 0;
@@ -1166,9 +1152,10 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 	}
 	if (!ttm_bo_uses_embedded_gem_object(bo)) {
 		/*
-		 * bo.gem is not initialized, so we have to setup the
+		 * bo.base is not initialized, so we have to setup the
 		 * struct elements we want use regardless.
 		 */
+		bo->base.size = size;
 		dma_resv_init(&bo->base._resv);
 		drm_vma_node_reset(&bo->base.vma_node);
 	}
@@ -1210,7 +1197,7 @@ EXPORT_SYMBOL(ttm_bo_init_reserved);
 
 int ttm_bo_init(struct ttm_bo_device *bdev,
 		struct ttm_buffer_object *bo,
-		unsigned long size,
+		size_t size,
 		enum ttm_bo_type type,
 		struct ttm_placement *placement,
 		uint32_t page_alignment,
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 5bbc1339d28e..398d5013fc39 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -431,9 +431,9 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
 
 	map->virtual = NULL;
 	map->bo = bo;
-	if (num_pages > bo->num_pages)
+	if (num_pages > bo->mem.num_pages)
 		return -EINVAL;
-	if (start_page > bo->num_pages)
+	if ((start_page + num_pages) > bo->mem.num_pages)
 		return -EINVAL;
 
 	ret = ttm_mem_io_reserve(bo->bdev, &bo->mem);
@@ -485,14 +485,14 @@ int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map)
 
 	if (mem->bus.is_iomem) {
 		void __iomem *vaddr_iomem;
-		size_t size = bo->num_pages << PAGE_SHIFT;
 
 		if (mem->bus.addr)
 			vaddr_iomem = (void __iomem *)mem->bus.addr;
 		else if (mem->bus.caching == ttm_write_combined)
-			vaddr_iomem = ioremap_wc(mem->bus.offset, size);
+			vaddr_iomem = ioremap_wc(mem->bus.offset,
+						 bo->base.size);
 		else
-			vaddr_iomem = ioremap(mem->bus.offset, size);
+			vaddr_iomem = ioremap(mem->bus.offset, bo->base.size);
 
 		if (!vaddr_iomem)
 			return -ENOMEM;
@@ -517,7 +517,7 @@ int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map)
 		 * or to make the buffer object look contiguous.
 		 */
 		prot = ttm_io_prot(bo, mem, PAGE_KERNEL);
-		vaddr = vmap(ttm->pages, bo->num_pages, 0, prot);
+		vaddr = vmap(ttm->pages, ttm->num_pages, 0, prot);
 		if (!vaddr)
 			return -ENOMEM;
 
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 144a4940b6b6..6dc96cf66744 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -198,7 +198,7 @@ static vm_fault_t ttm_bo_vm_insert_huge(struct vm_fault *vmf,
 
 	/* Fault should not cross bo boundary. */
 	page_offset &= ~(fault_page_size - 1);
-	if (page_offset + fault_page_size > bo->num_pages)
+	if (page_offset + fault_page_size > bo->mem.num_pages)
 		goto out_fallback;
 
 	if (bo->mem.bus.is_iomem)
@@ -306,7 +306,7 @@ vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf,
 	page_last = vma_pages(vma) + vma->vm_pgoff -
 		drm_vma_node_start(&bo->base.vma_node);
 
-	if (unlikely(page_offset >= bo->num_pages))
+	if (unlikely(page_offset >= bo->mem.num_pages))
 		return VM_FAULT_SIGBUS;
 
 	prot = ttm_io_prot(bo, &bo->mem, prot);
@@ -469,7 +469,7 @@ int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
 		 << PAGE_SHIFT);
 	int ret;
 
-	if (len < 1 || (offset + len) >> PAGE_SHIFT > bo->num_pages)
+	if (len < 1 || (offset + len) >> PAGE_SHIFT > bo->mem.num_pages)
 		return -EIO;
 
 	ret = ttm_bo_reserve(bo, true, false, NULL);
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 77ba784425dd..7f75a13163f0 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -129,7 +129,7 @@ static void ttm_tt_init_fields(struct ttm_tt *ttm,
 			       uint32_t page_flags,
 			       enum ttm_caching caching)
 {
-	ttm->num_pages = bo->num_pages;
+	ttm->num_pages = PAGE_ALIGN(bo->base.size) >> PAGE_SHIFT;
 	ttm->caching = ttm_cached;
 	ttm->page_flags = page_flags;
 	ttm->dma_address = NULL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
index f21881e087db..9f2779ddcf08 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
@@ -482,8 +482,8 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
 	d.src_addr = NULL;
 	d.dst_pages = dst->ttm->pages;
 	d.src_pages = src->ttm->pages;
-	d.dst_num_pages = dst->num_pages;
-	d.src_num_pages = src->num_pages;
+	d.dst_num_pages = dst->mem.num_pages;
+	d.src_num_pages = src->mem.num_pages;
 	d.dst_prot = ttm_io_prot(dst, &dst->mem, PAGE_KERNEL);
 	d.src_prot = ttm_io_prot(src, &src->mem, PAGE_KERNEL);
 	d.diff = diff;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 263d76ae43f0..63dbc44eebe0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -223,7 +223,7 @@ int vmw_bo_pin_in_start_of_vram(struct vmw_private *dev_priv,
 	uint32_t new_flags;
 
 	place = vmw_vram_placement.placement[0];
-	place.lpfn = bo->num_pages;
+	place.lpfn = bo->mem.num_pages;
 	placement.num_placement = 1;
 	placement.placement = &place;
 	placement.num_busy_placement = 1;
@@ -244,7 +244,7 @@ int vmw_bo_pin_in_start_of_vram(struct vmw_private *dev_priv,
 	 * that situation.
 	 */
 	if (bo->mem.mem_type == TTM_PL_VRAM &&
-	    bo->mem.start < bo->num_pages &&
+	    bo->mem.start < bo->mem.num_pages &&
 	    bo->mem.start > 0 &&
 	    buf->base.pin_count == 0) {
 		ctx.interruptible = false;
@@ -391,7 +391,7 @@ void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo)
 	if (virtual)
 		return virtual;
 
-	ret = ttm_bo_kmap(bo, 0, bo->num_pages, &vbo->map);
+	ret = ttm_bo_kmap(bo, 0, bo->mem.num_pages, &vbo->map);
 	if (ret)
 		DRM_ERROR("Buffer object map failed: %d.\n", ret);
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index 984d8884357d..a077e420d2ff 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -430,7 +430,7 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
 	 * Do a page by page copy of COTables. This eliminates slow vmap()s.
 	 * This should really be a TTM utility.
 	 */
-	for (i = 0; i < old_bo->num_pages; ++i) {
+	for (i = 0; i < old_bo->mem.num_pages; ++i) {
 		bool dummy;
 
 		ret = ttm_bo_kmap(old_bo, i, 1, &old_map);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index e67e2e8f6e6f..6c016001721d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -1042,7 +1042,7 @@ static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
 
 	if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
 
-		if (unlikely(new_query_bo->base.num_pages > 4)) {
+		if (unlikely(new_query_bo->base.mem.num_pages > 4)) {
 			VMW_DEBUG_USER("Query buffer too large.\n");
 			return -EINVAL;
 		}
@@ -1541,7 +1541,7 @@ static int vmw_cmd_dma(struct vmw_private *dev_priv,
 		return ret;
 
 	/* Make sure DMA doesn't cross BO boundaries. */
-	bo_size = vmw_bo->base.num_pages * PAGE_SIZE;
+	bo_size = vmw_bo->base.base.size;
 	if (unlikely(cmd->body.guest.ptr.offset > bo_size)) {
 		VMW_DEBUG_USER("Invalid DMA offset.\n");
 		return -EINVAL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
index 8fe26e32f920..1774960d1b89 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
@@ -64,20 +64,19 @@ static int vmw_gmrid_man_get_node(struct ttm_resource_manager *man,
 	spin_lock(&gman->lock);
 
 	if (gman->max_gmr_pages > 0) {
-		gman->used_gmr_pages += bo->num_pages;
+		gman->used_gmr_pages += mem->num_pages;
 		if (unlikely(gman->used_gmr_pages > gman->max_gmr_pages))
 			goto nospace;
 	}
 
 	mem->mm_node = gman;
 	mem->start = id;
-	mem->num_pages = bo->num_pages;
 
 	spin_unlock(&gman->lock);
 	return 0;
 
 nospace:
-	gman->used_gmr_pages -= bo->num_pages;
+	gman->used_gmr_pages -= mem->num_pages;
 	spin_unlock(&gman->lock);
 	ida_free(&gman->gmr_ida, id);
 	return -ENOSPC;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index bc67f2b930e1..7dc96125e5c2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1220,7 +1220,7 @@ static int vmw_kms_new_framebuffer_bo(struct vmw_private *dev_priv,
 	int ret;
 
 	requested_size = mode_cmd->height * mode_cmd->pitches[0];
-	if (unlikely(requested_size > bo->base.num_pages * PAGE_SIZE)) {
+	if (unlikely(requested_size > bo->base.base.size)) {
 		DRM_ERROR("Screen buffer object size is too small "
 			  "for requested mode.\n");
 		return -EINVAL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_page_dirty.c b/drivers/gpu/drm/vmwgfx/vmwgfx_page_dirty.c
index 0b76b3d17d4c..0a900afc66ff 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_page_dirty.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_page_dirty.c
@@ -232,7 +232,7 @@ void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo,
 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo)
 {
 	struct vmw_bo_dirty *dirty = vbo->dirty;
-	pgoff_t num_pages = vbo->base.num_pages;
+	pgoff_t num_pages = vbo->base.mem.num_pages;
 	size_t size, acc_size;
 	int ret;
 	static struct ttm_operation_ctx ctx = {
@@ -413,7 +413,7 @@ vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf)
 		return ret;
 
 	page_offset = vmf->pgoff - drm_vma_node_start(&bo->base.vma_node);
-	if (unlikely(page_offset >= bo->num_pages)) {
+	if (unlikely(page_offset >= bo->mem.num_pages)) {
 		ret = VM_FAULT_SIGBUS;
 		goto out_unlock;
 	}
@@ -456,7 +456,7 @@ vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf)
 
 		page_offset = vmf->pgoff -
 			drm_vma_node_start(&bo->base.vma_node);
-		if (page_offset >= bo->num_pages ||
+		if (page_offset >= bo->mem.num_pages ||
 		    vmw_resources_clean(vbo, page_offset,
 					page_offset + PAGE_SIZE,
 					&allowed_prefault)) {
@@ -531,7 +531,7 @@ vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf,
 
 		page_offset = vmf->pgoff -
 			drm_vma_node_start(&bo->base.vma_node);
-		if (page_offset >= bo->num_pages ||
+		if (page_offset >= bo->mem.num_pages ||
 		    vmw_resources_clean(vbo, page_offset,
 					page_offset + PAGE_SIZE,
 					&allowed_prefault)) {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 00b535831a7a..f6e8fdfc76e5 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -360,7 +360,7 @@ static int vmw_resource_buf_alloc(struct vmw_resource *res,
 	int ret;
 
 	if (likely(res->backup)) {
-		BUG_ON(res->backup->base.num_pages * PAGE_SIZE < size);
+		BUG_ON(res->backup->base.base.size < size);
 		return 0;
 	}
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index f328aa5839a2..e76a720f841e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -856,8 +856,7 @@ static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv,
 			return ret;
 		}
 
-		if ((u64)buffer->base.num_pages * PAGE_SIZE <
-		    (u64)size + (u64)offset) {
+		if ((u64)buffer->base.base.size < (u64)size + (u64)offset) {
 			VMW_DEBUG_USER("Illegal buffer- or shader size.\n");
 			ret = -EINVAL;
 			goto out_bad_arg;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index 5b04ec047ef3..27ab2c50312b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -512,7 +512,7 @@ static void vmw_stdu_bo_fifo_commit(struct vmw_kms_dirty *dirty)
 	cmd->body.host.mipmap = 0;
 	cmd->body.transfer = ddirty->transfer;
 	suffix->suffixSize = sizeof(*suffix);
-	suffix->maximumOffset = ddirty->buf->base.num_pages * PAGE_SIZE;
+	suffix->maximumOffset = ddirty->buf->base.base.size;
 
 	if (ddirty->transfer == SVGA3D_WRITE_HOST_VRAM) {
 		blit_size += sizeof(struct vmw_stdu_update);
@@ -1238,7 +1238,7 @@ static uint32_t vmw_stdu_bo_populate_update(struct vmw_du_update_plane  *update,
 	vfbbo = container_of(update->vfb, typeof(*vfbbo), base);
 
 	suffix->suffixSize = sizeof(*suffix);
-	suffix->maximumOffset = vfbbo->buffer->base.num_pages * PAGE_SIZE;
+	suffix->maximumOffset = vfbbo->buffer->base.base.size;
 
 	vmw_stdu_populate_update(&suffix[1], stdu->base.unit, bb->x1, bb->x2,
 				 bb->y1, bb->y2);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 3914bfee0533..fa9be30bec6c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -1550,8 +1550,7 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
 					 &res->backup,
 					 &user_srf->backup_base);
 		if (ret == 0) {
-			if (res->backup->base.num_pages * PAGE_SIZE <
-			    res->backup_size) {
+			if (res->backup->base.base.size < res->backup_size) {
 				VMW_DEBUG_USER("Surface backup buffer too small.\n");
 				vmw_bo_unreference(&res->backup);
 				ret = -EINVAL;
@@ -1614,7 +1613,7 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
 	if (res->backup) {
 		rep->buffer_map_handle =
 			drm_vma_node_offset_addr(&res->backup->base.base.vma_node);
-		rep->buffer_size = res->backup->base.num_pages * PAGE_SIZE;
+		rep->buffer_size = res->backup->base.base.size;
 		rep->buffer_handle = backup_handle;
 	} else {
 		rep->buffer_map_handle = 0;
@@ -1692,7 +1691,7 @@ vmw_gb_surface_reference_internal(struct drm_device *dev,
 	rep->crep.buffer_handle = backup_handle;
 	rep->crep.buffer_map_handle =
 		drm_vma_node_offset_addr(&srf->res.backup->base.base.vma_node);
-	rep->crep.buffer_size = srf->res.backup->base.num_pages * PAGE_SIZE;
+	rep->crep.buffer_size = srf->res.backup->base.base.size;
 
 	rep->creq.version = drm_vmw_gb_surface_v1;
 	rep->creq.svga3d_flags_upper_32_bits =
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 79b9367e0ffd..0d4e3fccaa8a 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -125,7 +125,6 @@ struct ttm_buffer_object {
 	struct ttm_bo_device *bdev;
 	enum ttm_bo_type type;
 	void (*destroy) (struct ttm_buffer_object *);
-	unsigned long num_pages;
 	size_t acc_size;
 
 	/**
@@ -397,13 +396,11 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
 
 int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 			 struct ttm_buffer_object *bo,
-			 unsigned long size,
-			 enum ttm_bo_type type,
+			 size_t size, enum ttm_bo_type type,
 			 struct ttm_placement *placement,
 			 uint32_t page_alignment,
 			 struct ttm_operation_ctx *ctx,
-			 size_t acc_size,
-			 struct sg_table *sg,
+			 size_t acc_size, struct sg_table *sg,
 			 struct dma_resv *resv,
 			 void (*destroy) (struct ttm_buffer_object *));
 
@@ -445,7 +442,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
  * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
  */
 int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
-		unsigned long size, enum ttm_bo_type type,
+		size_t size, enum ttm_bo_type type,
 		struct ttm_placement *placement,
 		uint32_t page_alignment, bool interrubtible, size_t acc_size,
 		struct sg_table *sg, struct dma_resv *resv,
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index f48a70d39ac5..ad6da99770e9 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -171,7 +171,6 @@ struct ttm_bus_placement {
 struct ttm_resource {
 	void *mm_node;
 	unsigned long start;
-	unsigned long size;
 	unsigned long num_pages;
 	uint32_t page_alignment;
 	uint32_t mem_type;
-- 
2.25.1

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