RE: [PATCH next] sctp: make use of WORD_TRUNC macro

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From: Marcelo Ricardo Leitner
> Sent: 15 September 2016 19:13
> No functional change. Just to avoid the usage of '&~3'.
...
> -	max_data = (asoc->pathmtu -
> -		sctp_sk(asoc->base.sk)->pf->af->net_header_len -
> -		sizeof(struct sctphdr) - sizeof(struct sctp_data_chunk)) & ~3;
> +	max_data = asoc->pathmtu -
> +		   sctp_sk(asoc->base.sk)->pf->af->net_header_len -
> +		   sizeof(struct sctphdr) - sizeof(struct sctp_data_chunk);
> +	max_data = WORD_TRUNC(max_data);

Hmmm....
Am I the only person who understands immediately what & ~3 does
but would have to grovel through the headers to find exactly what
WORD_TRUNC() does.

How big is a 'WORD' anyway??

	David
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