From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 12 Dec 2007 08:37:10 -0800 (PST)

quoted text
> I'm not saying that particular case happens in git, I'm just saying that 
> it's not unheard of. And with the delta cache and the object lookup, it's 
> not at _all_ impossible that we hit the "allocate in one thread, free in 
> another" case!

One thing that supports these theories is that, while running
these large repacks, I notice that the RSS is roughly 2/3 of
the amount of virtual address space allocated.

I personally don't think it's unreasonable for GIT to have it's
own customized allocator at least for certain object types.
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