netdev - Re: [PATCH v2 net-next 07/12] bnx2x: simplify definition of RX_SGE_MASK

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Date:	Sun, 13 Nov 2011 05:10:45 -0800
From:	Joe Perches <joe@...ches.com>
To:	Dmitry Kravkov <dmitry@...adcom.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	Eilon Greenstein <eilong@...adcom.com>
Subject: Re: [PATCH v2 net-next 07/12] bnx2x: simplify definition of
 RX_SGE_MASK_LEN and use it.

On Sun, 2011-11-13 at 14:47 +0200, Dmitry Kravkov wrote:
> diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
[]
> @@ -874,8 +874,7 @@ static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
>  static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
>  {
>  	/* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
> -	memset(fp->sge_mask, 0xff,
> -	       (NUM_RX_SGE >> BIT_VEC64_ELEM_SHIFT)*sizeof(u64));
> +	memset(fp->sge_mask, 0xff, RX_SGE_MASK_LEN * sizeof(u64));

drivers/net/ethernet/broadcom/bnx2x/bnx2x.h:
	u64			sge_mask[RX_SGE_MASK_LEN];

perhaps this is more readable as:
	memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask));

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