Where are memory allocations for esp-mbedtls come from?

[yanshay]

I added some code using esp-mbedtls to an app I'm working on, and it now fails on Error -32512/-0x7f00 which I understand is 0x7F00 SSL - Memory allocation failed ?

I'm using PSRAM for memory as well.

Where does esp-mbedtls take memory from? Is it using PSRAM if available through alloc? Or is it limited to using the standard RAM which is more limited (and embassy seems to take a lot of space there)?