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-rw-r--r--drivers/gpu/drm/i915/i915_gem.c38
-rw-r--r--include/drm/drmP.h24
2 files changed, 39 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b189b49c..4a24c90 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -349,7 +349,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -429,7 +429,7 @@ fail_put_user_pages:
SetPageDirty(user_pages[i]);
page_cache_release(user_pages[i]);
}
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -649,7 +649,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -719,7 +719,7 @@ out_unlock:
out_unpin_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -824,7 +824,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -902,7 +902,7 @@ fail_unlock:
fail_put_user_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -1408,9 +1408,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
}
obj_priv->dirty = 0;
- drm_free(obj_priv->pages,
- page_count * sizeof(struct page *),
- DRM_MEM_DRIVER);
+ drm_free_large(obj_priv->pages);
obj_priv->pages = NULL;
}
@@ -2024,8 +2022,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj)
*/
page_count = obj->size / PAGE_SIZE;
BUG_ON(obj_priv->pages != NULL);
- obj_priv->pages = drm_calloc(page_count, sizeof(struct page *),
- DRM_MEM_DRIVER);
+ obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *));
if (obj_priv->pages == NULL) {
DRM_ERROR("Faled to allocate page list\n");
obj_priv->pages_refcount--;
@@ -3111,7 +3108,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
reloc_count += exec_list[i].relocation_count;
}
- *relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER);
+ *relocs = drm_calloc_large(reloc_count, sizeof(**relocs));
if (*relocs == NULL)
return -ENOMEM;
@@ -3125,8 +3122,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
exec_list[i].relocation_count *
sizeof(**relocs));
if (ret != 0) {
- drm_free(*relocs, reloc_count * sizeof(**relocs),
- DRM_MEM_DRIVER);
+ drm_free_large(*relocs);
*relocs = NULL;
return -EFAULT;
}
@@ -3165,7 +3161,7 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
}
err:
- drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER);
+ drm_free_large(relocs);
return ret;
}
@@ -3198,10 +3194,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
return -EINVAL;
}
/* Copy in the exec list from userland */
- exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
- DRM_MEM_DRIVER);
- object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
- DRM_MEM_DRIVER);
+ exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count);
+ object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count);
if (exec_list == NULL || object_list == NULL) {
DRM_ERROR("Failed to allocate exec or object list "
"for %d buffers\n",
@@ -3462,10 +3456,8 @@ err:
}
pre_mutex_err:
- drm_free(object_list, sizeof(*object_list) * args->buffer_count,
- DRM_MEM_DRIVER);
- drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
- DRM_MEM_DRIVER);
+ drm_free_large(object_list);
+ drm_free_large(exec_list);
drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects,
DRM_MEM_DRIVER);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index c8c4221..b84d8ae 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1519,6 +1519,30 @@ static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area)
{
return kcalloc(nmemb, size, GFP_KERNEL);
}
+
+static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
+{
+ u8 *addr;
+
+ if (size <= PAGE_SIZE)
+ return kcalloc(nmemb, size, GFP_KERNEL);
+
+ addr = vmalloc(nmemb * size);
+ if (!addr)
+ return NULL;
+
+ memset(addr, 0, nmemb * size);
+
+ return addr;
+}
+
+static __inline void drm_free_large(void *ptr)
+{
+ if (!is_vmalloc_addr(ptr))
+ return kfree(ptr);
+
+ vfree(ptr);
+}
#else
extern void *drm_alloc(size_t size, int area);
extern void drm_free(void *pt, size_t size, int area);
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