gpu: nvgpu: Use vmalloc only when size >4K

When allocation size is 4k or below, we should use kmalloc. vmalloc
should be used only for larged allocations.

Introduce nvgpu_alloc, which checks the size, and decides the API
to use.

Change-Id: I593110467cd319851b27e57d1bfe8d228d3f2909
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/743974
(cherry picked from commit 7f56aa1f0ecafbfde7286353b60e25e494674d26)
Reviewed-on: http://git-master/r/753276
Reviewed-by: Automatic_Commit_Validation_User

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 643adca5..c12f196d 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -2155,7 +2155,7 @@ static int gk20a_ioctl_channel_submit_gpfifo(
          * synchronization; we might still wait and do an increment */
         size = args->num_entries * sizeof(struct nvgpu_gpfifo);
         if (size) {
-                gpfifo = vmalloc(size);
+                gpfifo = nvgpu_alloc(size, false);
                 if (!gpfifo)
                         return -ENOMEM;
 
@@ -2190,7 +2190,7 @@ static int gk20a_ioctl_channel_submit_gpfifo(
         gk20a_fence_put(fence_out);
 
 clean_up:
-        vfree(gpfifo);
+        nvgpu_free(gpfifo);
         return ret;
 }