X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fdrm_gem.c;h=80391995bdec05f07e809e33651466379c7823b3;hp=ffe8f4394d50d71f96411200d9d4d90907bd5f2c;hb=6d7f18f6ea3a13af95bdf507fc54d42b165e1712;hpb=d3acd16cda3a1cbaff7c579c0e054f0ece613d14

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index ffe8f4394d50..80391995bdec 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -142,6 +142,19 @@ drm_gem_object_alloc(struct drm_device *dev, size_t size)
 	if (IS_ERR(obj->filp))
 		goto free;
 
+	/* Basically we want to disable the OOM killer and handle ENOMEM
+	 * ourselves by sacrificing pages from cached buffers.
+	 * XXX shmem_file_[gs]et_gfp_mask()
+	 */
+	mapping_set_gfp_mask(obj->filp->f_path.dentry->d_inode->i_mapping,
+			     GFP_HIGHUSER |
+			     __GFP_COLD |
+			     __GFP_FS |
+			     __GFP_RECLAIMABLE |
+			     __GFP_NORETRY |
+			     __GFP_NOWARN |
+			     __GFP_NOMEMALLOC);
+
 	kref_init(&obj->refcount);
 	kref_init(&obj->handlecount);
 	obj->size = size;
@@ -164,7 +177,7 @@ EXPORT_SYMBOL(drm_gem_object_alloc);
  * Removes the mapping from handle to filp for this object.
  */
 static int
-drm_gem_handle_delete(struct drm_file *filp, int handle)
+drm_gem_handle_delete(struct drm_file *filp, u32 handle)
 {
 	struct drm_device *dev;
 	struct drm_gem_object *obj;
@@ -207,7 +220,7 @@ drm_gem_handle_delete(struct drm_file *filp, int handle)
 int
 drm_gem_handle_create(struct drm_file *file_priv,
 		       struct drm_gem_object *obj,
-		       int *handlep)
+		       u32 *handlep)
 {
 	int	ret;
 
@@ -221,7 +234,7 @@ again:
 
 	/* do the allocation under our spinlock */
 	spin_lock(&file_priv->table_lock);
-	ret = idr_get_new_above(&file_priv->object_idr, obj, 1, handlep);
+	ret = idr_get_new_above(&file_priv->object_idr, obj, 1, (int *)handlep);
 	spin_unlock(&file_priv->table_lock);
 	if (ret == -EAGAIN)
 		goto again;
@@ -237,7 +250,7 @@ EXPORT_SYMBOL(drm_gem_handle_create);
 /** Returns a reference to the object named by the handle. */
 struct drm_gem_object *
 drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp,
-		      int handle)
+		      u32 handle)
 {
 	struct drm_gem_object *obj;
 
@@ -344,7 +357,7 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data,
 	struct drm_gem_open *args = data;
 	struct drm_gem_object *obj;
 	int ret;
-	int handle;
+	u32 handle;
 
 	if (!(dev->driver->driver_features & DRIVER_GEM))
 		return -ENODEV;
@@ -539,7 +552,6 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 	vma->vm_flags |= VM_RESERVED | VM_IO | VM_PFNMAP | VM_DONTEXPAND;
 	vma->vm_ops = obj->dev->driver->gem_vm_ops;
 	vma->vm_private_data = map->handle;
-	/* FIXME: use pgprot_writecombine when available */
 	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
 
 	/* Take a ref for this mapping of the object, so that the fault