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SubjectRe: [PATCH v3 2/3] mm: kmemleak: Simple memory allocation pool for kmemleak objects
On Mon, Aug 12, 2019 at 05:06:41PM +0100, Catalin Marinas wrote:
> Add a memory pool for struct kmemleak_object in case the normal
> kmem_cache_alloc() fails under the gfp constraints passed by the caller.
> The mem_pool[] array size is currently fixed at 16000.

Following Andrew's comment, I'd add this paragraph here:

-----------8<------------------------
We are not using the existing mempool kernel API since this requires the
slab allocator to be available (for pool->elements allocation). A
subsequent kmemleak patch will replace the static early log buffer with
the pool allocation introduced here and this functionality is required
to be available before the slab was initialised.
-----------8<------------------------

(patch updated locally)

--
Catalin

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