IB/mlx5: use kvmalloc_array for mlx5_ib_wq
We observed multiple times on our Lustre OSS servers that when the system memory is fragmented, kmalloc() in create_kernel_qp() could fail order 4/5 allocations while we still have many free pages. Switch to kvmalloc_array() to allow the operation to contine. Signed-off-by: NLi Dongyang <dongyang.li@anu.edu.au> Acked-by: NLeon Romanovsky <leonro@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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