[linux-block.git] / arch / powerpc / include / asm / mmzone.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
 *
 * PowerPC64 port:
 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
 */
#ifndef _ASM_MMZONE_H_
#define _ASM_MMZONE_H_
#ifdef __KERNEL__

#include <linux/cpumask.h>

/*
 * generic non-linear memory support:
 *
 * 1) we will not split memory into more chunks than will fit into the
 *    flags field of the struct page
 */

#ifdef CONFIG_NUMA

/*
 * Following are specific to this numa platform.
 */

extern int numa_cpu_lookup_table[];
extern cpumask_var_t node_to_cpumask_map[];
#ifdef CONFIG_MEMORY_HOTPLUG
extern unsigned long max_pfn;
u64 memory_hotplug_max(void);
u64 hot_add_drconf_memory_max(void);
#else
#define memory_hotplug_max() memblock_end_of_DRAM()
#endif

#else
#define memory_hotplug_max() memblock_end_of_DRAM()
#endif /* CONFIG_NUMA */

#endif /* __KERNEL__ */
#endif /* _ASM_MMZONE_H_ */
Commit	Line	Data
	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	/*
	3	* Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
	4	*
	5	* PowerPC64 port:
	6	* Copyright (C) 2002 Anton Blanchard, IBM Corp.
	7	*/
	8	#ifndef _ASM_MMZONE_H_
	9	#define _ASM_MMZONE_H_
	10	#ifdef __KERNEL__
	11
	12	#include <linux/cpumask.h>
	13
	14	/*
	15	* generic non-linear memory support:
	16	*
	17	* 1) we will not split memory into more chunks than will fit into the
	18	* flags field of the struct page
	19	*/
	20
	21	#ifdef CONFIG_NUMA
	22
	23	/*
	24	* Following are specific to this numa platform.
	25	*/
	26
	27	extern int numa_cpu_lookup_table[];
	28	extern cpumask_var_t node_to_cpumask_map[];
	29	#ifdef CONFIG_MEMORY_HOTPLUG
	30	extern unsigned long max_pfn;
	31	u64 memory_hotplug_max(void);
	32	u64 hot_add_drconf_memory_max(void);
	33	#else
	34	#define memory_hotplug_max() memblock_end_of_DRAM()
	35	#endif
	36
	37	#else
	38	#define memory_hotplug_max() memblock_end_of_DRAM()
	39	#endif /* CONFIG_NUMA */
	40
	41	#endif /* __KERNEL__ */
	42	#endif /* _ASM_MMZONE_H_ */