net/xdp: use shift instead of 64 bit division
64bit division is kind of expensive, and shift should do the job here. Signed-off-by: Pavel Machek (CIP) <pavel@denx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -336,7 +336,7 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
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if ((addr + size) < addr)
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return -EINVAL;
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npgs = div_u64(size, PAGE_SIZE);
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npgs = size >> PAGE_SHIFT;
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if (npgs > U32_MAX)
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return -EINVAL;
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