Messages in this thread | | | Date | Tue, 6 Nov 2018 09:52:42 -0700 | From | Jordan Crouse <> | Subject | Re: [PATCH 1/3] drm/msm: use kvmalloc for ring data in gpu crashstate |
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On Tue, Nov 06, 2018 at 11:40:04AM +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 <smasetty@codeaurora.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> > --- > 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 141062f..c93702d 100644 > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c > @@ -406,7 +406,7 @@ 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; > @@ -445,7 +445,7 @@ 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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