return alloc_pages(mapping_gfp_mask(x)|__GFP_COLD|__GFP_NORECLAIM, 0);
return alloc_pages(mapping_gfp_mask(x)|__GFP_COLD, 0);
static inline struct page *page_cache_alloc_cold(struct address_space *x){	return alloc_pages(mapping_gfp_mask(x)|__GFP_COLD|__GFP_NORECLAIM, 0);}