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From: Wu Fengguang <fengguang.wu@intel.com>
To: Haicheng Li <haicheng.li@linux.intel.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	"x86@kernel.org" <x86@kernel.org>,
	Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>,
	Greg Kroah-Hartman <gregkh@suse.de>,
	David Rientjes <rientjes@google.com>,
	Alex Chiang <achiang@hp.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"ak@linux.intel.co" <ak@linux.intel.co>,
	"shaohui.zheng@linux.intel.com" <shaohui.zheng@linux.intel.com>
Subject: Re: [RFC, 3/7] NUMA hotplug emulator
Date: Fri, 14 May 2010 12:11:36 +0800	[thread overview]
Message-ID: <20100514041136.GA12020@localhost> (raw)
In-Reply-To: <4BECC418.2080602@linux.intel.com>

> Pls. replace it with following code:
> 
> +#ifdef CONFIG_NODE_HOTPLUG_EMU
> +static ssize_t store_nodes_probe(struct sysdev_class *class,
> +                                 struct sysdev_class_attribute *attr,
> +                                 const char *buf, size_t count)
> +{
> +       long nid;
> +       int ret;
> +
> +       ret = strict_strtol(buf, 0, &nid);
> +       if (ret == -EINVAL)
> +               return ret;
> +
> +       ret = hotadd_hidden_nodes(nid);
> +       if (!ret)
> +               return count;
> +       else
> +               return -EIO;
> +}
> +#endif

How about this?

       err = strict_strtol(buf, 0, &nid);
       if (err < 0)
               return err;

       err = hotadd_hidden_nodes(nid);
       if (err < 0)
               return err;

       return count;

Thanks,
Fengguang

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  reply	other threads:[~2010-05-14  4:11 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-13 11:48 [RFC, 3/7] NUMA hotplug emulator Shaohui Zheng
2010-05-13 16:55 ` Greg KH
2010-05-13 17:54   ` Dave Hansen
2010-05-13 18:05     ` Greg KH
2010-05-14  2:13     ` Haicheng Li
2010-05-14  1:45   ` Shaohui Zheng
2010-05-14  2:01     ` Wu Fengguang
2010-05-14  2:11       ` Shaohui Zheng
2010-05-14  2:01   ` Haicheng Li
2010-05-14  3:31 ` Haicheng Li
2010-05-14  4:11   ` Wu Fengguang [this message]
2010-05-14  5:19     ` Shaohui Zheng
2010-05-14  5:32     ` Haicheng Li
2010-05-14  5:52       ` Wu Fengguang
2010-05-21 10:08 ` Ankita Garg
2010-05-24  1:31   ` Shaohui Zheng

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