On Tue, Nov 20, 2018 at 05:07:28PM +0530, Sharat Masetty wrote:
> The ringbuffer data to capture at crashtime can end up being large
> sometimes, and the size can vary from being less than a page to the
> full size of 32KB. So use the kvmalloc variant that perfectly fits the bill.
>
> Signed-off-by: Sharat Masetty
Reviewed-by: Jordan Crouse
> ---
> drivers/gpu/drm/msm/adreno/adreno_gpu.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> index d88d00d..6ebe842 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> @@ -397,7 +397,7 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct
> msm_gpu_state *state)
> size = j + 1;
>
> if (size) {
> - state->ring[i].data = kmalloc(size << 2, GFP_KERNEL);
> + state->ring[i].data = kvmalloc(size << 2, GFP_KERNEL);
> if (state->ring[i].data) {
> memcpy(state->ring[i].data, gpu->rb[i]->start,
> size << 2);
> state->ring[i].data_size = size << 2;
> @@ -440,7 +440,7 @@ void adreno_gpu_state_destroy(struct msm_gpu_state *state)
> int i;
>
> for (i = 0; i < ARRAY_SIZE(state->ring); i++)
> - kfree(state->ring[i].data);
> + kvfree(state->ring[i].data);
>
> for (i = 0; state->bos && i < state->nr_bos; i++)
> kvfree(state->bos[i].data);
> --
> 1.9.1
>
--
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