detecting memory size?

Ketil Malde ketil+haskell at
Thu Jan 29 14:04:04 EST 2004

Glynn Clements <glynn.clements at> writes:

> IIRC, getrlimit(RLIMIT_DATA) doesn't mean much on Linux, as it doesn't
> include memory which is added using mmap(..., MAP_ANON), which is used
> by glibc's malloc(). Also, getrlimit(RLIMIT_RSS) is probably more
> relevant for your purposes.

I also got a reply from David Roundy (the author of darcs); he is
using sysconf(3), which apparently is fairly portable, and suffices to
at least obtain the amount of physical memory.

If I haven't seen further, it is by standing in the footprints of giants

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