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SubjectRe: [PATCH] amdkfd: actually allocate longs for the pasid bitmask


On 12/28/2014 06:44 PM, Sasha Levin wrote:
> Commit "amdkfd: use sizeof(long) granularity for the pasid bitmask" calculated
> the number of longs it will need, but ended up allocating that number of
> bytes rather than longs.
>
> Fix that silly error and allocate the amount of data really required.
>
> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
> ---
> drivers/gpu/drm/amd/amdkfd/kfd_pasid.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> index 71699ad..4c25ef5 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> @@ -32,7 +32,7 @@ int kfd_pasid_init(void)
> {
> pasid_limit = max_num_of_processes;
>
> - pasid_bitmap = kzalloc(BITS_TO_LONGS(pasid_limit), GFP_KERNEL);
> + pasid_bitmap = kcalloc(BITS_TO_LONGS(pasid_limit), sizeof(long), GFP_KERNEL);
> if (!pasid_bitmap)
> return -ENOMEM;
>
>
Thanks!
Applied to my amdkfd-fixes tree.

Oded


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