On Tuesday, June 22, 2010 11:26:41 am Yinghai Lu wrote:
> + pr_info("Subtract (%d early reservations)\n", count);
> +
> + for_each_lmb(reserved, r) {
> + pr_info(" [%010llx - %010llx]\n", (u64)r->base, (u64)r->base + r->size);
Use %pR format and consider adding text to the line, e.g.,
"lmb: early reservation [%#010llx-%#010llx] removed" so that
grep output is useful all by itself, without requiring the
context of the preceding lines.
> + final_start = PFN_DOWN(r->base);
> + final_end = PFN_UP(r->base + r->size);
> + if (final_start >= final_end)
> + continue;
> + subtract_range(range, az, final_start, final_end);
> + }
> + /* Put region array back ? */
> + if (lmb.reserved.regions != lmb_reserved_init_regions)
> + lmb_reserve(__pa(lmb.reserved.regions), sizeof(struct lmb_region) * lmb.reserved.max);
> +}
> +
> +struct count_data {
> + int nr;
> +};
> +
> +static int __init count_work_fn(unsigned long start_pfn,
> + unsigned long end_pfn, void *datax)
> +{
> + struct count_data *data = datax;
> +
> + data->nr++;
> +
> + return 0;
> +}
> +
> +static int __init count_early_node_map(int nodeid)
> +{
> + struct count_data data;
> +
> + data.nr = 0;
> + work_with_active_regions(nodeid, count_work_fn, &data);
> +
> + return data.nr;
> +}
> +
> +int __init get_free_all_memory_range(struct range **rangep, int nodeid)
> +{
> + int count;
> + struct range *range;
> + int nr_range;
> +
> + count = (lmb.reserved.cnt + count_early_node_map(nodeid)) * 2;
> +
> + range = find_range_array(count);
> + nr_range = 0;
> +
> + /*
> + * Use early_node_map[] and lmb.reserved.region to get range array
> + * at first
> + */
> + nr_range = add_from_early_node_map(range, count, nr_range, nodeid);
> +#ifdef CONFIG_X86_32
> + subtract_range(range, count, max_low_pfn, -1ULL);
> +#endif
> + subtract_lmb_reserved(range, count);
> + nr_range = clean_sort_range(range, count);
> +
> + *rangep = range;
> + return nr_range;
> +}
> +#else
> void __init lmb_to_bootmem(u64 start, u64 end)
> {
> int count;
>
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