Christophe Leroy <christophe.le...@csgroup.eu> writes: > Le 31/03/2021 à 15:39, Michael Ellerman a écrit : >> Christophe Leroy <christophe.le...@csgroup.eu> writes: >>> On the 8xx, TASK_SIZE is 0x80000000. The space between TASK_SIZE and >>> PAGE_OFFSET is not used. >>> >>> Use it to load modules in order to minimise the distance between >>> kernel text and modules and avoid trampolines in modules to access >>> kernel functions or other module functions. >>> >>> Define a 16Mbytes area for modules, that's more than enough. >> >> 16MB seems kind of small. >> >> At least on 64-bit we could potentially have hundreds of MBs of modules. >> > > Well, with a 16 MB kernel and 16 MB modules, my board is full :)
Heh. > Even on the more recent board that has 128 MB, I don't expect more than a few > MBs of modules in > addition to the kernel which is approx 8M. > > But ok, I'll do something more generic, though it will conflict with Jordan's > series. Don't feel you have to. You're the expert on 8xx, not me. cheers