nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-24 10:34:43 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: Compute reasonable max order for allocator

Browse Source 
Compute a reasonable maximum order for buddy allocators that are
created with a max_order of 0. Previously the max_order was just
left as 0.

Change-Id: I5c2f878fcd390610a4c02ac65189138ec7db30c8
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1169763
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Alex Waterman
2016-06-22 15:53:35 -07:00
committed by Terje Bergstrom
parent 2c04ddcdf6
commit df1ff34809
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/nvgpu/gk20a/gk20a_allocator.c
View File

@@ -90,6 +90,11 @@ static void balloc_compute_max_order(struct gk20a_allocator *a)
{
u64 true_max_order = ilog2(a->blks);
if (a->max_order == 0) {
a->max_order = true_max_order;
return;
}
if (a->max_order > true_max_order)
a->max_order = true_max_order;
if (a->max_order > GPU_BALLOC_MAX_ORDER)