malloc probes for glibc 2.19

[Alexandre Oliva]

Since the tree is open for changes for 2.19, I've updated the malloc
probes patchset.  The current version of the patchset is in branch
lxoliva/malloc-probes-bz742038.

On Sep  4, 2012, Alexandre Oliva <aoliva@redhat.com> wrote:

> I was asked to introduce probes in malloc to aid in debugging cases in
> which our memory allocation code performs poorly.

> I've grouped the probes in separate patches, in which the probes are
> logically connected.

Each probe is documented in the manual, under a note that indicates
they're not part of libc's stable ABI.

Ok to install?

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-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/   FSF Latin America board member
Free Software Evangelist      Red Hat Brazil Compiler Engineer