gpu: nvgpu: Remove global debugfs variable

Remove a global debugfs variable and instead save the allocator
debugfs root node in the gk20a struct.

Bug 1799159

Change-Id: If4eed34fa24775e962001e34840b334658f2321c
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1225611
(cherry picked from commit 1908fde10bb1fb60ce898ea329f5a441a3e4297a)
Reviewed-on: http://git-master/r/1242390
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 635dddc4..58e69cbe 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -834,6 +834,7 @@ struct gk20a {
         struct dentry *debugfs_timeslice_medium_priority_us;
         struct dentry *debugfs_timeslice_high_priority_us;
         struct dentry *debugfs_runlist_interleave;
+        struct dentry *debugfs_allocators;
         struct dentry *debugfs_xve;
 #endif
         struct gk20a_ctxsw_ucode_info ctxsw_ucode_info;