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SubjectRe: Some questions about linux kernel.
On Tue, 21 Mar 2000, Richard B. Johnson wrote:

> > > Malloc(), as stated before, just sets a new break address when it
> > > runs out of heap. It keeps track of the heap, but not very carefully.
> >
> > Not any more. Modern mallocs are a lot smarter. They also use mmap for
> > their backing store
>
> Certainly not the C runtime library distributed by RedHat.

> malloc(0x1000);

glibc's malloc() will use mmap() only to allocate large lumps.
(Currently the default is 128Kb or larger, I think.)

Matthew.


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