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Enable HIGHMEM or roll back VMSPLIT_3G on 32-bit devices #543

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mtoman opened this issue Oct 5, 2020 · 3 comments
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Enable HIGHMEM or roll back VMSPLIT_3G on 32-bit devices #543

mtoman opened this issue Oct 5, 2020 · 3 comments
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mtoman commented Oct 5, 2020

Enabling VMSPLIT_3G only left us with 768MB of addressable memory on 32-bit boards which effectively limits the maximum memory amount on boards with 1GB of memory. We have compensated for this by enabling zram so the amount of memory that the applications are able to use stays the same but this is only a temporary solution. We either need to enable HIGHMEM, which seems to cause random failures on at least Pi3 and the Fin, or roll back the VMSPLIT_3G change.
@mtoman mtoman self-assigned this Oct 5, 2020
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[mtoman] This issue has attached support thread https://jel.ly.fish/c57bcf60-6609-4daa-86d1-91bf7fe1c56f

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[saintaardvark] This issue has attached support thread https://jel.ly.fish/b344d2c4-f977-47f1-b791-0a9a2e3b6a8e

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mtoman commented Nov 4, 2020

The VMSPLIT_3G change has been reverted by #556

@mtoman mtoman closed this as completed Nov 4, 2020
@crazystick crazystick mentioned this issue Nov 13, 2020
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