Re: [PATCH] genalloc: make possible to use a custom allocation algorithm

[Benjamin Gaignard]

In my mind 'data' is for custom algorithms that could need additional
data to perform the allocation (it is very similar to what is done in
gen_pool_for_each_chunk function).

In gen_pool_set_algo function I have test 'algo' just be sure that we
alway have a valid algorithm function.
gen_pool_alloc doesn't take pool->lock, only rcu_lock, and I want to
avoid changing allocation function while gen_pool_alloc use it, so I
have only protect pool->algo with rcu_lock.
I need to export gen_pool_best_fit so I have do the same for gen_pool_first_fit.

I will add more detail about that in kerneldoc and fix the other
mistakes before send a new version of this patch.

Regards,
Benjamin Gaignard
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