Re: Funny thing whith malloc/free...

Jim Nance (
Mon, 11 Nov 1996 09:38:38 -0500 (EST)

> We found out that the process size reported by ps never went
> down... It did not increase when the size asked for was smaller than the
> freed space (so free was working OK), but the process never shrunk!

This is the way most implementations of malloc and free work. When you free
memory, it goes into a free pool, but it is not returned to the OS. This
behavior is dependent on the implementation of malloc() and free(). It
is not forced either way by the kernel.


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