drm/radeon: use vzalloc for gart pages

When allocating more than 2GB of GART the array of pages
gets to big for kzalloc, use vzalloc instead.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index e9e8953e74a8..4debd60e5aa6 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -355,14 +355,13 @@ int radeon_gart_init(struct radeon_device *rdev)
         DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n",
                  rdev->gart.num_cpu_pages, rdev->gart.num_gpu_pages);
         /* Allocate pages table */
-        rdev->gart.pages = kzalloc(sizeof(void *) * rdev->gart.num_cpu_pages,
-                                   GFP_KERNEL);
+        rdev->gart.pages = vzalloc(sizeof(void *) * rdev->gart.num_cpu_pages);
         if (rdev->gart.pages == NULL) {
                 radeon_gart_fini(rdev);
                 return -ENOMEM;
         }
-        rdev->gart.pages_addr = kzalloc(sizeof(dma_addr_t) *
-                                        rdev->gart.num_cpu_pages, GFP_KERNEL);
+        rdev->gart.pages_addr = vzalloc(sizeof(dma_addr_t) *
+                                        rdev->gart.num_cpu_pages);
         if (rdev->gart.pages_addr == NULL) {
                 radeon_gart_fini(rdev);
                 return -ENOMEM;
@@ -388,8 +387,8 @@ void radeon_gart_fini(struct radeon_device *rdev)
                 radeon_gart_unbind(rdev, 0, rdev->gart.num_cpu_pages);
         }
         rdev->gart.ready = false;
-        kfree(rdev->gart.pages);
-        kfree(rdev->gart.pages_addr);
+        vfree(rdev->gart.pages);
+        vfree(rdev->gart.pages_addr);
         rdev->gart.pages = NULL;
         rdev->gart.pages_addr = NULL;