Esempi in C++ (Cpp) per sysfs_create_link_nowarn

Esempio n. 1

File: node.c Progetto: jthatch12/STi

/* register memory section under specified node if it spans that node */
int register_mem_sect_under_node(struct memory_block *mem_blk, int nid)
{
	int ret;
	unsigned long pfn, sect_start_pfn, sect_end_pfn;

	if (!mem_blk)
		return -EFAULT;
	if (!node_online(nid))
		return 0;

	sect_start_pfn = section_nr_to_pfn(mem_blk->start_section_nr);
	sect_end_pfn = section_nr_to_pfn(mem_blk->end_section_nr);
	sect_end_pfn += PAGES_PER_SECTION - 1;
	for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
		int page_nid;

		page_nid = get_nid_for_pfn(pfn);
		if (page_nid < 0)
			continue;
		if (page_nid != nid)
			continue;
		ret = sysfs_create_link_nowarn(&node_devices[nid]->dev.kobj,
					&mem_blk->dev.kobj,
					kobject_name(&mem_blk->dev.kobj));
		if (ret)
			return ret;

		return sysfs_create_link_nowarn(&mem_blk->dev.kobj,
				&node_devices[nid]->dev.kobj,
				kobject_name(&node_devices[nid]->dev.kobj));
	}
	/* mem section does not span the specified node */
	return 0;
}

Esempio n. 2

File: node.c Progetto: 01org/thunderbolt-software-kernel-tree

/* register memory section under specified node if it spans that node */
int register_mem_sect_under_node(struct memory_block *mem_blk, int nid)
{
	int ret;
	unsigned long pfn, sect_start_pfn, sect_end_pfn;

	if (!mem_blk)
		return -EFAULT;
	if (!node_online(nid))
		return 0;

	sect_start_pfn = section_nr_to_pfn(mem_blk->start_section_nr);
	sect_end_pfn = section_nr_to_pfn(mem_blk->end_section_nr);
	sect_end_pfn += PAGES_PER_SECTION - 1;
	for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
		int page_nid;

		/*
		 * memory block could have several absent sections from start.
		 * skip pfn range from absent section
		 */
		if (!pfn_present(pfn)) {
			pfn = round_down(pfn + PAGES_PER_SECTION,
					 PAGES_PER_SECTION) - 1;
			continue;
		}

		page_nid = get_nid_for_pfn(pfn);
		if (page_nid < 0)
			continue;
		if (page_nid != nid)
			continue;
		ret = sysfs_create_link_nowarn(&node_devices[nid]->dev.kobj,
					&mem_blk->dev.kobj,
					kobject_name(&mem_blk->dev.kobj));
		if (ret)
			return ret;

		return sysfs_create_link_nowarn(&mem_blk->dev.kobj,
				&node_devices[nid]->dev.kobj,
				kobject_name(&node_devices[nid]->dev.kobj));
	}
	/* mem section does not span the specified node */
	return 0;
}