C++ (Cpp) START_PFN Examples

Example #1

File: discontig.c Project: 0-T-0/ps4-linux

void __init zone_sizes_init(void)
{
	unsigned long zones_size[MAX_NR_ZONES], zholes_size[MAX_NR_ZONES];
	unsigned long low, start_pfn;
	int nid, i;
	mem_prof_t *mp;

	for_each_online_node(nid) {
		mp = &mem_prof[nid];
		for (i = 0 ; i < MAX_NR_ZONES ; i++) {
			zones_size[i] = 0;
			zholes_size[i] = 0;
		}
		start_pfn = START_PFN(nid);
		low = MAX_LOW_PFN(nid);
		zones_size[ZONE_DMA] = low - start_pfn;
		zholes_size[ZONE_DMA] = mp->holes;

		node_set_state(nid, N_NORMAL_MEMORY);
		free_area_init_node(nid, zones_size, start_pfn, zholes_size);
	}

	/*
	 * For test
	 *  Use all area of internal RAM.
	 *  see __alloc_pages()
	 */
	NODE_DATA(1)->node_zones->watermark[WMARK_MIN] = 0;
	NODE_DATA(1)->node_zones->watermark[WMARK_LOW] = 0;
	NODE_DATA(1)->node_zones->watermark[WMARK_HIGH] = 0;
}

Example #2

File: discontig.c Project: BackupTheBerlios/arp2-svn

unsigned long __init zone_sizes_init(void)
{
	unsigned long zones_size[MAX_NR_ZONES], zholes_size[MAX_NR_ZONES];
	unsigned long low, start_pfn;
	unsigned long holes = 0;
	int nid, i;
	mem_prof_t *mp;

	for_each_online_node(nid) {
		mp = &mem_prof[nid];
		for (i = 0 ; i < MAX_NR_ZONES ; i++) {
			zones_size[i] = 0;
			zholes_size[i] = 0;
		}
		start_pfn = START_PFN(nid);
		low = MAX_LOW_PFN(nid);
		zones_size[ZONE_DMA] = low - start_pfn;
		zholes_size[ZONE_DMA] = mp->holes;
		holes += zholes_size[ZONE_DMA];

		free_area_init_node(nid, NODE_DATA(nid), zones_size,
			start_pfn, zholes_size);
	}

	/*
	 * For test
	 *  Use all area of internal RAM.
	 *  see __alloc_pages()
	 */
	NODE_DATA(1)->node_zones->pages_min = 0;
	NODE_DATA(1)->node_zones->pages_low = 0;
	NODE_DATA(1)->node_zones->pages_high = 0;

	return holes;
}