vm_cache_acquire_locked_page_cache
struct VMCache *vm_cache_acquire_locked_page_cache(struct vm_page *page,
VMCache* cache = vm_cache_acquire_locked_page_cache(page, dontWait);
if (vm_cache_acquire_locked_page_cache(page, dontWait) == NULL)
VMCache* cache = vm_cache_acquire_locked_page_cache(page, true);
VMCache* cache = vm_cache_acquire_locked_page_cache(page, true);
VMCache* cache = vm_cache_acquire_locked_page_cache(page, true);