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    SubjectRe: [PATCH 5/6] BC: kernel memory accounting (core)
    Oleg Nesterov wrote:
    > 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.
    no, exec_bc can't be NULL. thanks for catching old hunks which historically exist
    due to old times when host system was not accounted (bc was NULL).

    Thanks,
    Kirill
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