void flush_anon_page()

in mm/cacheflush.c [299:319]

• 19 lines of code
• 5 McCabe index (conditional complexity)

void flush_anon_page(struct vm_area_struct *vma,
		     struct page *page, unsigned long vaddr)
{
	unsigned long kaddr, flags, ktmp;
	if (!PageAnon(page))
		return;

	if (vma->vm_mm != current->active_mm)
		return;

	local_irq_save(flags);
	if (vma->vm_flags & VM_EXEC)
		cpu_icache_inval_page(vaddr & PAGE_MASK);
	kaddr = (unsigned long)page_address(page);
	if (aliasing(vaddr, kaddr)) {
		ktmp = kremap0(vaddr, page_to_phys(page));
		cpu_dcache_wbinval_page(ktmp);
		kunmap01(ktmp);
	}
	local_irq_restore(flags);
}