Re: [PATCH 4/4] Slab Reclaim logic

[Pekka J Enberg <penberg@cs.Helsinki.FI>]

On Mon, 19 Jun 2006, Christoph Lameter wrote:
> Add kmem_cache_reclaim() function.
> 
> This patch adds the new slab reclaim functionalty. For that purpose we add a
> new function:
> 
> long kmem_cache_reclaim(struct kmem_cache *cache, unsigned long nr_pages)

Some coding style comments below.

> +extern long kmem_cache_reclaim(struct kmem_cache *, gfp_t flags, unsigned long);

The parameter name is redundant.

> +static int try_reclaim_one(kmem_cache_t *cachep, struct kmem_list3 *l3,
> +	struct list_head *list, unsigned short marker)

Please use struct kmem_cache instead of the typedef.  Better name for l3 
would be nice.

> +static int reclaim_scan(kmem_cache_t *cachep, struct kmem_list3 *l3,
> +	int slabs_to_free, struct list_head *list, unsigned short marker)

Ditto.

> +{
> +	int nr_freed = 0;

s/nr_freed/ret/

> +
> +	while (nr_freed < slabs_to_free) {
> +		int x;

s/x/nr_freed/

> +
> +		x = try_reclaim_one(cachep, l3, list, marker);
> +		if (x > 0)
> +			nr_freed += x;
> +		else
> +			break;
> +	}
> +	return nr_freed;
> +}

> +long kmem_cache_reclaim(kmem_cache_t *cachep, gfp_t flags, unsigned long pages)
> +{

Typedef.

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