Re: [PATCH 07/15] kmemleak: Add memleak_alloc callback fromalloc_large_system_hash

From: Dave Hansen
Date: Fri Dec 12 2008 - 12:17:51 EST


On Fri, 2008-12-12 at 17:04 +0000, Catalin Marinas wrote:
> It looks to me like alloc_large_system_hash() could also be called at
> some later point and it may even invoke __vmalloc() if hashdist is set.
> So I would prefer not to introduce another hook and additional if's to
> know which one to call. BTW, I think the callback should actually be (to
> avoid duplicating the vmalloc call, with proper comment):
>
> if (!hashdist)
> memleak_alloc(table, size, 1, GFP_ATOMIC);

Does memleak_alloc() detect if it gets called twice on the same memory?
Also, is alloc_large_system_hash() contained in the tests that you can
compile for kmemleak?

-- Dave

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