Rick Brown wrote: > Hi list, > > I have a kernel image about 600 KB in size that I intend to program to > flash memory on my target board (hence size required in flash=600 KB). > > 1) But how do I determine the size of the RAM required to run that > image? (Since I believe the image will be uncompressed in RAM, plus > will also need some extra memory)? Can I determine this info from the > kernel image / System.map etc? I believe you can only quantify this by experimentation. The more services and applications you have running the less free memory you will have. You can try to start with a baseline configuration and tweak it to suit your requirements. > 2) Also, is there any way to determine (accurately) the amount of RAM > eaten up by the kernel (plus modules), on a RUNNING system? You can do a "top -p pid" and watch the resident and virtual memory stats. > > TIA, > > Rick William -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/