A. Dumas  writes:
> Pancho  wrote:
>> On 11/11/2020 12:09, A. Dumas wrote:
>>> Every process can use 4 (I think it's 3 in practice?) GiB. In
>>> Chrome/Chromium, every tab is a separate process. So if you regularly
>>> open a lot of tabs with huge content ... then 8 GiB might be beneficial
>>> even on 32-bit RaspiOS.
>>
>> Do you have a ref? I thought 32 bit kernel meant it could only map max 4
>> GB ram in total, shared between all processes.
>
> https://en.wikipedia.org/wiki/Physical_Address_Extension

That’s an x86 feature. The ARM equivalent is LPAE,
https://en.wikipedia.org/wiki/ARM_architecture#LPAE

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