Re: [patch 4/4] memcg: use native word page statistics counters

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Minchan Kim <minchan.kim@xxxxxxxxx> writes:

> On Mon, Nov 8, 2010 at 7:14 AM, Johannes Weiner <hannes@xxxxxxxxxxx> wrote:
>> The statistic counters are in units of pages, there is no reason to
>> make them 64-bit wide on 32-bit machines.
>>
>> Make them native words. ÂSince they are signed, this leaves 31 bit on
>> 32-bit machines, which can represent roughly 8TB assuming a page size
>> of 4k.
>>
>> Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
> Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx>
Reviewed-by: Greg Thelen <gthelen@xxxxxxxxxx>

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