Majority of PCKs are stuck on "64 MB of 64 MB of RAM used", despite the fact that the 3DS has 128MB of RAM

[winbamstudios]

Tested versions

• Reproducible in 4.3-rc

System information

Nintendo 3DS, Godot 4.3-rc

Issue description

The 3DS port seems to not be using the full amount of the 3DS's RAM, causing a majority of games to use all memory.

Steps to reproduce

Use a game (any size) that uses >64 MiB of RAM

Minimal reproduction project (MRP)

N/A

[c08oprkiua]

128MBs of RAM in the sense of the hardware is not the same as 128MBs of RAM for games: A chunk of that RAM is used by the 3DS' OS. On an Old 3DS, 64MBs is what games and apps have to run with. Extended memory can bump that up to 80MBs.