Heap Management Problem

[Ruben Safir]

On Wed, Apr 15, 2015 at 05:10:05PM +0800, 慕冬亮 wrote:
> IMO, heap , stack , code ,data  and so on constitute the process address
> space!
>    |
>    |
> heap
> 
> stack
>    |
>    |
> data
> code
> So I only point to this heap !
> 

That is not nearly complete.  The Heap a memory structure attahced to
the processor control record that has pointers to areas in the memory
which are defined ad hoc in user space and are not defined in the PCR.

I can be wrong though.

Heaps can be allorthims which are nearly complete binrary trees with
values stored at nodes.

FWIW, that is tonights class for me...


> 2015-04-15 16:48 GMT+08:00 Ruben Safir <ruben at mrbrklyn.com>:
> 
> > On 04/15/2015 12:28 AM, 慕冬亮 wrote:
> > > Can you give a detail of what you want to prove?
> > > I am not familiar with heap management , so I ask for the details!
> > > mudongliang
> > >
> > > 2015-04-15 0:00 GMT+08:00 <Valdis.Kletnieks at vt.edu>:
> > >
> > >> On Tue, 14 Apr 2015 23:01:58 +0800, 慕冬亮 said:
> > >>
> > >>> Hello Everyone:
> > >>>       What's the rule about heap management? Especially what's the
> > >> function
> > >>> of do_brk?
> > >>
> > >> Who says there's a "rule" about it? Some userspace heap managers don't
> > >> even *use* brk() or sbrk(), but instead use mmap() of an anonymous area.
> > >>
> > >
> > >
> >
> > To the OP, what in your mind is a Heap?
> >
> > Ruben
> >
> > >
> > > _______________________________________________
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> > > Kernelnewbies at kernelnewbies.org
> > > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> > >
> >
> >
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