Question about madvise(DONTNEED) in glibc malloc

[Andreas Jaeger]

On Sunday, April 14, 2013 09:37:16 KOSAKI Motohiro wrote:
> [...]
> Please tell me historical reason, a pointer of past discussion, the
> design of current code, etc, etc if anyone know.

I suggest you reach out to Wolfram Gloger, he has done the majority of 
the malloc code in glibc incl. some benchmarks, see e.g.:

http://www.dent.med.uni-muenchen.de/~wmglo/malloc-slides.html

I suggest you check also the archives of libc-alpha and libc-hacker,

Andreas
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