xsk: Use kvcalloc to support large umems
Use kvcalloc() instead of kcalloc() to support large umems with, on my server, one million pages or more in the umem. Reported-by: NDan Siemon <dan@coverfire.com> Signed-off-by: NMagnus Karlsson <magnus.karlsson@intel.com> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Acked-by: NBjörn Töpel <bjorn@kernel.org> Acked-by: NJohn Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20210521083301.26921-1-magnus.karlsson@gmail.com
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