[Devel] Re: [-mm PATCH 2/8] Memory controller containers setup (v2)

[Dave Hansen]

On Thu, 2007-07-05 at 22:21 -0700, Balbir Singh wrote:
> +struct mem_container {
> +	struct container_subsys_state css;
> +	/*
> +	 * the counter to account for memory usage
> +	 */
> +	struct res_counter res;
> +};

How about we call it "memory_usage"?  That would kill two birds with one
stone: get rid of the comment, and keep people from needing to refer to
the comment to figure out what "res" *IS*. 

> +/*
> + * A meta page is associated with every page descriptor. The meta page
> + * helps us identify information about the container
> + */
> +struct meta_page {
> +	struct list_head list;		/* per container LRU list */
> +	struct page *page;
> +	struct mem_container *mem_container;
> +};

Why not just rename "list" to "lru_list" or "container_lru"?

> +
> +static inline struct mem_container *mem_container_from_cont(struct container
> +								*cnt)

I'd probably break that line up differently:

static inline
struct mem_container *mem_container_from_cont(struct container *cnt)

BTW, do I see "cnt" meaning "container" now instead of "cnt"?  ;)

Is somebody's favorite dog named "cnt" and you're just trying to remind
yourself of them as often as possible?

-- Dave

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