New ask Hacker News story: Why Linux requires 4MB of RAM no matter of kernel size?

Why Linux requires 4MB of RAM no matter of kernel size?
3 by hansor | 0 comments on Hacker News.
Hi I have old 386SX with 2MB of ram hanging around and I wonder: - Why Linux requires 4MB of RAM no matter of kernel size? - Why prior to Linux 1.3(?) I was able to use Linux with just 2MB of RAM (Slackware 2.1) - Is it possible to modify "modern" kernel(let's say 2.4) (apart from lack of support for 386 anymore) to remove such artificial limit?

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