gpu: nvgpu: use nvgpu list for page chunks

Use nvgpu list APIs instead of linux list APIs
to store chunks of page allocator

Jira NVGPU-13

Change-Id: I63375fc2df683e018c48a90b76eca368438cc32f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1326814
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 10 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/page_allocator.h b/drivers/gpu/nvgpu/include/nvgpu/page_allocator.h
index fa586dba..92f48ac5 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/page_allocator.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/page_allocator.h
@@ -22,6 +22,7 @@
 
 #include <nvgpu/allocator.h>
 #include <nvgpu/kmem.h>
+#include <nvgpu/list.h>
 
 struct nvgpu_allocator;
 
@@ -78,19 +79,26 @@ struct page_alloc_slab_page {
 };
 
 struct page_alloc_chunk {
-        struct list_head list_entry;
+        struct nvgpu_list_node list_entry;
 
         u64 base;
         u64 length;
 };
 
+static inline struct page_alloc_chunk *
+page_alloc_chunk_from_list_entry(struct nvgpu_list_node *node)
+{
+        return (struct page_alloc_chunk *)
+        ((uintptr_t)node - offsetof(struct page_alloc_chunk, list_entry));
+};
+
 /*
  * Struct to handle internal management of page allocation. It holds a list
  * of the chunks of pages that make up the overall allocation - much like a
  * scatter gather table.
  */
 struct nvgpu_page_alloc {
-        struct list_head alloc_chunks;
+        struct nvgpu_list_node alloc_chunks;
 
         int nr_chunks;
         u64 length;