gpu: nvgpu: Use pgsz_idx instead of page_size

Alloc space writes the page size to a field that requires pgsz_idx.
That can cause corruption in internal kernel structures.

Clear_sparse treated a parameter as page size instead of index.

Bug 1549451

Change-Id: I73ce17b99aae6865056facce72d2ab9ca8b3f81d
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/495692

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index 173776ff..9ab3ae88 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -2379,7 +2379,7 @@ int gk20a_vm_alloc_space(struct gk20a_as_share *as_share,
 
         va_node->vaddr_start = vaddr_start;
         va_node->size = (u64)args->page_size * (u64)args->pages;
-        va_node->pgsz_idx = args->page_size;
+        va_node->pgsz_idx = pgsz_idx;
         INIT_LIST_HEAD(&va_node->va_buffers_list);
         INIT_LIST_HEAD(&va_node->reserved_va_list);