Re: [2.6.35-rc6 patch] increase kmemleak robustness at boot

[Pekka Enberg]

Catalin Marinas wrote:
> > Right. I guess the required earlylog buffer size would be smaller if
> > we initialized kmemleak earlier. Can we do that in mm_init() after
> > kmem_cache_init()?
>
> Kmemleak uses kmem_cache_alloc() internally so we could initialise it
> as soon as kmem_cache_init() was called. But it's really strange the
> amount of early allocations that Daniel is getting. I've been happy so
> far with 400, usually with standard Ubuntu-like configs and some
> debugging turned on. Any idea what's causing these allocations?

No idea. I wonder if kmemleak can dump out the call-sites for the 
overflow case somehow to see what's going on?

			Pekka
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