Comparing with V9.0:

NuttX 9.0

$ arm-none-eabi-size nuttx
    text    data     bss     dec     hex filename
   68624     104    2496   71224   11638 nuttx


NuttShell (NSH) NuttX-9.0.0
nsh> free
              total       used       free    largest
Umem:       192976       7536     185440     125248
nsh>


------------------------------------------------------------------------------------------


NuttX 9.1 RC1

$ arm-none-eabi-size nuttx
    text           data     bss     dec     hex filename
   69468            104    2476   72048   11970 nuttx


NuttShell (NSH) NuttX-9.1.0
nsh> free
              total       used       free    largest
Umem:       192992       7536     185456     125264
nsh>
So the FLASH footprint still grew by about 800 bytes.  If that trend continues indefinitely it will be quite a large OS in the future. Although that is still quite a lot is is more palatable than before.

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