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SubjectRe: [PATCH] nommu: fix kobjsize() for SLOB and SLUB
On Thu, 29 May 2008, David Howells wrote:

> > Could the nommu people either tell us what this is all about? Or junk the
> > code. This looks very wrong.
>
> ELF-FDPIC is currently using kobjsize() so that it can expand the heap/stack
> segment to fill up the entirety of its allocation. It's probably worth
> dropping that, though.
>
> NOMMU mmap() is using kobjsize()/ksize() to keep track of the number of bytes
> allocated and the amount of dead space. We can probably ditch that too.
>
> However, fs/proc/task_nommu.c uses kobjsize() quite a bit to determine how
> much metadata space a process is carrying around. We could just use sizeof(),
> I suppose, and not bother calculating the slack.

The nagging question here is: Why is page->private used in kobjsize()? A
special heap/stack setup?




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