another memory usage experiment! scripts+results: https://gist.github.com/thejh/6eddd199d71f5e5a221b827c7aa2a271 … this one is to see how many pages of present/swapped memory are completely within free malloc chunks, and wrote a script to MADV_DONTNEED that memory away (but don't run that on any machine you care about!)
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might be cool to teach glibc to MADV_DONTNEED free pages when a certain signal arrives, or something like that
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