Exemple #1
0
/* Flush a page out of whatever cache(s) it is in. */
void homecache_flush_cache(struct page *page, int order)
{
	int pages = 1 << order;
	int length = cache_flush_length(pages * PAGE_SIZE);
	unsigned long pfn = page_to_pfn(page);
	struct cpumask home_mask;

	homecache_mask(page, pages, &home_mask);
	flush_remote(pfn, length, &home_mask, 0, 0, 0, NULL, NULL, 0);
	sim_validate_lines_evicted(PFN_PHYS(pfn), pages * PAGE_SIZE);
}
static void homecache_finv_page_internal(struct page *page, int force_map)
{
	int home = page_home(page);
	if (home == PAGE_HOME_UNCACHED)
		return;
	if (incoherent_home(home)) {
		int cpu;
		for_each_cpu(cpu, &cpu_cacheable_map)
			homecache_finv_map_page(page, cpu);
	} else if (force_map) {
		/* Force if, e.g., the normal mapping is migrating. */
		homecache_finv_map_page(page, home);
	} else {
		homecache_finv_page_home(page, home);
	}
	sim_validate_lines_evicted(PFN_PHYS(page_to_pfn(page)), PAGE_SIZE);
}