From: Christoph Lameter <[email protected]>
Date: Tue, 8 May 2007 18:53:28 -0700 (PDT)
> On Tue, 8 May 2007, David Miller wrote:
>
> > SLOB seems to look at the descriptor in the previous blob to figure
> > out how big the being-freed blob is. That's actually kind of clever
> > :-)
>
> We were assuming that the objects are actually allocated. How does it
> figure out the previous blobs boundaries without metadata?
The page is filled entirely with descriptors in the not-in-use regions
of the page aparently. So "freed_object - 1" will always give you
a descriptor.
I'm just reading over the code to figure out what to type to you, you
could read the code too it's not very complicated :-)
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