#include <linux/types.h>#include <linux/init.h>#include <linux/slab.h>#include <linux/bootmem.h>#include <linux/string.h>#include <asm/setup.h>  void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask){	void *p; 	if (slab_is_available())		p = kzalloc(size, mask);	else {		p = memblock_virt_alloc(size, 0);	}	return p;}