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DateFri, 26 May 2006 10:04:26 -0700
FromAndrew Morton <>
SubjectRe: [PATCH 13/33] readahead: state based method - aging accounting
(hey, I haven't finished reading the last batch yet)

Wu Fengguang <wfg@mail.ustc.edu.cn> wrote:
>
>  /*
>  + * The node's effective length of inactive_list(s).
>  + */
>  +static unsigned long node_free_and_cold_pages(void)
>  +{
>  +	unsigned int i;
>  +	unsigned long sum = 0;
>  +	struct zone *zones = NODE_DATA(numa_node_id())->node_zones;
>  +
>  +	for (i = 0; i < MAX_NR_ZONES; i++)
>  +		sum += zones[i].nr_inactive +
>  +			zones[i].free_pages - zones[i].pages_low;
>  +
>  +	return sum;
>  +}

I guess this should go into page_alloc.c along with all the similar functions.

Is this function well-named?  Why does it have "cold" in the name?
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