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

From: Dave Hansen
Date: Wed Dec 10 2008 - 14:04:37 EST


On Wed, 2008-12-10 at 18:27 +0000, Catalin Marinas wrote:
>
> @@ -4570,6 +4571,8 @@ void *__init alloc_large_system_hash(const char *tablename,
> if (_hash_mask)
> *_hash_mask = (1 << log2qty) - 1;
>
> + memleak_alloc(table, size, 1, GFP_ATOMIC);
> +
> return table;
> }

Why is this sucker GFP_ATOMIC?

Since alloc_large_system_hash() is using bootmem (and is called early),
I'm a little surprised that it is OK to call into memleak_alloc() which
uses kmem_cache_alloc(). Is the slab even set up at this point?

-- Dave

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