void update_cache()

in mm/cache.c [42:56]

• 9 lines of code
• 3 McCabe index (conditional complexity)

void update_cache(struct vm_area_struct *vma, unsigned long address,
	pte_t *pte)
{
	unsigned long pfn = pte_val(*pte) >> PAGE_SHIFT;
	struct page *page = pfn_to_page(pfn);
	int dirty = !test_and_set_bit(PG_dc_clean, &page->flags);

	/*
	 * Since icaches do not snoop for updated data on OpenRISC, we
	 * must write back and invalidate any dirty pages manually. We
	 * can skip data pages, since they will not end up in icaches.
	 */
	if ((vma->vm_flags & VM_EXEC) && dirty)
		sync_icache_dcache(page);
}