gpu: nvgpu: use nvgpu list for buddy allocator

Use nvgpu list APIs instead of linux list APIs
for buddy allocator lists

Jira NVGPU-13

Change-Id: I69a506a9aef77eaa9da0f89609627f4c2f5a7b28
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1462079
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/allocator.h b/drivers/gpu/nvgpu/include/nvgpu/allocator.h
index 1bde290f..61914d8c 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/allocator.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/allocator.h
@@ -22,6 +22,7 @@
 #include <linux/platform_device.h>
 
 #include <nvgpu/lock.h>
+#include <nvgpu/list.h>
 
 /* #define ALLOCATOR_DEBUG */
 
@@ -101,7 +102,14 @@ struct nvgpu_alloc_carveout {
         /*
          * For usage by the allocator implementation.
          */
-        struct list_head co_entry;
+        struct nvgpu_list_node co_entry;
+};
+
+static inline struct nvgpu_alloc_carveout *
+nvgpu_alloc_carveout_from_co_entry(struct nvgpu_list_node *node)
+{
+        return (struct nvgpu_alloc_carveout *)
+        ((uintptr_t)node - offsetof(struct nvgpu_alloc_carveout, co_entry));
 };
 
 #define NVGPU_CARVEOUT(__name, __base, __length)        \