netdev - Re: CONFIG_XPS depends on L1_CACHE_BYTES being greater than sizeof(struct xps

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Message-ID: <1445630588.22974.187.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 23 Oct 2015 13:03:08 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Helge Deller <deller@....de>
Cc:	Tom Herbert <therbert@...gle.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-parisc List <linux-parisc@...r.kernel.org>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	John David Anglin <dave.anglin@...l.net>
Subject: Re: CONFIG_XPS depends on L1_CACHE_BYTES being greater than
 sizeof(struct xps_map)

On Fri, 2015-10-23 at 21:25 +0200, Helge Deller wrote:

> Then, how about simply changing it to twice of L1_CACHE_BYTES ?
> 
> #define XPS_MIN_MAP_ALLOC ((L1_CACHE_BYTES * 2 - sizeof(struct xps_map)) / sizeof(u16))


Seems good to me.


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