+Cc: Tom Summon Tom to the discussion. He tried once hard to shrink a Linux kernel to something working in 1M+ RAM on x86. Tom, sorry, I recall this a bit late, perhaps you might be interested in reading discussion from the beginning. On Mon, Apr 3, 2017 at 9:14 PM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > On Mon, Apr 3, 2017 at 12:44 AM, Stuart Longland > <stuartl@xxxxxxxxxxxxxxxxxx> wrote: >> On 03/04/17 07:41, Nicolas Pitre wrote: >>>> No PTYs seems like a big limitation. This means no sshd? >>> Again, my ultimate system target is in the sub-megabyte of RAM. I >>> really doubt you'll be able to fit an SSH server in there even if PTYs >>> were supported, unless sshd (or dropbear) can be made really tiny. >>> Otherwise you most probably have sufficient resources to run the regular >>> TTY code. >> >> Are we talking small microcontrollers here? The smallest machine in >> terms of RAM I ever recall running Linux on was a 386SX/25 MHz with 4MB >> RAM, and that had a MMU. > > Let's halve that. I once tried and ran Linux in 2 MiB, incl. X, twm, and xterm. > Of course with swap enabled. And swapping like hell. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
