Re: [PATCH 5/6] BC: kernel memory accounting (core)

From: Oleg Nesterov
Date: Thu Aug 24 2006 - 12:56:45 EST


On 08/23, Kirill Korotaev wrote:
>
> +int bc_slab_charge(kmem_cache_t *cachep, void *objp, gfp_t flags)
> +{
> + unsigned int size;
> + struct beancounter *bc, **slab_bcp;
> +
> + bc = get_exec_bc();
> + if (bc == NULL)
> + return 0;

Is it possible to .exec_bc == NULL ?

If yes, why do we need init_bc? We can do 'set_exec_bc(NULL)' in __do_IRQ()
instead.

Oleg.

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