snp_safe_alloc_page_node
save_area_page = snp_safe_alloc_page_node(cpu_to_node(cpu), GFP_KERNEL);
struct page *snp_safe_alloc_page_node(int node, gfp_t gfp);
return snp_safe_alloc_page_node(numa_node_id(), GFP_KERNEL_ACCOUNT);
return snp_safe_alloc_page_node(numa_node_id(), GFP_KERNEL_ACCOUNT);