Re: [RFC PATCH v5 05/19] memory-hotplug: check whether memory is present or not
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- To: Wen Congyang <wency@xxxxxxxxxxxxxx>
- Subject: Re: [RFC PATCH v5 05/19] memory-hotplug: check whether memory is present or not
- From: Tony Luck <tony.luck@xxxxxxxxx>
- Date: Fri, 27 Jul 2012 13:17:20 -0700
- Cc: linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-acpi@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, cmetcalf@xxxxxxxxxx, rientjes@xxxxxxxxxx, liuj97@xxxxxxxxx, len.brown@xxxxxxxxx, benh@xxxxxxxxxxxxxxxxxxx, paulus@xxxxxxxxx, cl@xxxxxxxxx, minchan.kim@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, kosaki.motohiro@xxxxxxxxxxxxxx, Yasuaki ISIMATU <isimatu.yasuaki@xxxxxxxxxxxxxx>
- In-reply-to: <50126D44.7070608@cn.fujitsu.com>
- List-id: <linux-ia64.vger.kernel.org>
- References: <50126B83.3050201@cn.fujitsu.com> <50126D44.7070608@cn.fujitsu.com>
On Fri, Jul 27, 2012 at 3:28 AM, Wen Congyang <wency@xxxxxxxxxxxxxx> wrote:
> +static inline int pfns_present(unsigned long pfn, unsigned long nr_pages)
> +{
> + int i;
> + for (i = 0; i < nr_pages; i++) {
> + if (pfn_present(pfn + 1))
Typo? I think you meant "pfn + i"
> + continue;
> + else
> + return -EINVAL;
> + }
> + return 0;
> +}
-Tony
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