From: Joe Perches <joe@perches.com>
To: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Christoph Lameter <clameter@sgi.com>,
linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] Add definitions of USHRT_MAX
Date: Thu, 20 Mar 2008 18:51:18 -0700 [thread overview]
Message-ID: <1206064278.26345.108.camel@localhost> (raw)
In-Reply-To: <1206063614.14496.72.camel@ymzhang>
On Fri, 2008-03-21 at 09:40 +0800, Zhang, Yanmin wrote:
> Add definitions of USHRT_MAX and others into kernel. ipc uses it and
> slub implementation might also use it.
> +#define USHRT_MAX ((u16)(~0U))
> +#define SHRT_MAX ((s16)(USHRT_MAX>>1))
> +#define SHRT_MIN (-SHRT_MAX - 1)
Perhaps it's better to use the most common kernel types?
Perhaps U16_MAX, S16_MAX and S16_MIN?
Don't you need to cast SHRT_MIN/S16_MIN too?
#define S16_MIN ((s16)(-SHRT_MAX - 1))
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next prev parent reply other threads:[~2008-03-21 1:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-21 1:40 Zhang, Yanmin
2008-03-21 1:51 ` Joe Perches [this message]
2008-03-21 2:08 ` Zhang, Yanmin
2008-03-21 2:12 ` Jan Engelhardt
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