Messages in this thread | | | Date | Tue, 21 Mar 2000 15:30:00 +0000 (GMT) | From | Matthew Kirkwood <> | Subject | Re: Some questions about linux kernel. |
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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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