[Devel] Re: [PATCH 2/6] BC: beancounters core (API)

[Andi Kleen]

On Wednesday 23 August 2006 13:03, Kirill Korotaev wrote:

> +#ifdef CONFIG_BEANCOUNTERS
> +extern struct hlist_head bc_hash[];
> +extern spinlock_t bc_hash_lock;

I wonder who pokes into that hash from other files? Looks a bit dangerous.

> +void __put_beancounter(struct beancounter *bc);
> +static inline void put_beancounter(struct beancounter *bc)
> +{
> +	__put_beancounter(bc);
> +}

The wrapper seems pointless too.

The file could use a overview comment what the various counter
types actually are.

> +	bc_print_id(bc, uid, sizeof(uid));
> +	printk(KERN_WARNING "BC %s %s warning: %s "

Doesn't this need some rate limiting? Or can it be only triggered
by code bugs?


> +	bc = &default_beancounter;
> +	memset(bc, 0, sizeof(default_beancounter));

You don't trust the BSS to be zero? @)
 
-Andi