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Use bonus regions for both RAM and flash#2458

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mkeeter/ram-bonus-slots
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Use bonus regions for both RAM and flash#2458
mkeeter wants to merge 1 commit intomasterfrom
mkeeter/ram-bonus-slots

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@mkeeter mkeeter commented Mar 30, 2026

Testing out on cosmo-b-dev, which is getting very tight on RAM, this does what we'd expect:

flash:     0xb0100 (68%) -> 0xb8100 (71%)
ram:       0x78900 (94%) -> 0x5e300 (73%)

Flash packing becomes slightly less efficient, and RAM packing improves dramatically!

Our images tend to be pretty balanced between flash and RAM, so the dumb heuristic seems fine for now.

@mkeeter mkeeter requested review from cbiffle, hawkw and labbott March 30, 2026 20:56
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