Re: [PATCH 1/6] memcg: replace unsigned long by u64 to avoid overflow

From: Wanpeng Li
Date: Sat Jun 23 2012 - 05:04:14 EST


On Sat, Jun 23, 2012 at 10:15:14AM +0200, Johannes Weiner wrote:
>On Sat, Jun 23, 2012 at 02:15:34PM +0800, Wanpeng Li wrote:
>> From: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx>
>>
>> Since the return value variable in mem_cgroup_zone_nr_lru_pages and
>> mem_cgroup_node_nr_lru_pages functions are u64, so replace the return
>> value of funtions by u64 to avoid overflow.
>
>I wonder what 16 TB of memory must think running on a 32-bit kernel...
>"What is this, an address space for ants?"

Hi Johannes,

You mean change all u64 in memcg to unsigned long? or something I
miss....

Regards,
Wanpeng Li
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