mgorny-nyan (he) 
🙀🚂🐧STOP DOING #MMAP!
• Files were not supposed to be treated like memory.
• Years of mmaping, yet no real-world use found for giving disk data memory addresses.
• Wanted to have a file in memory anyway, for a laugh? We had a tool for that, it was called "reading into a buffer".
• "Yes, please give me a SIGBUS when I run out of space. Please give me a SIGSEGV if I read past the file." — statements dreamed up by the utterly deranged.
radon