[linux-2.6-block.git] / include / linux / memblock.h

#ifndef _LINUX_MEMBLOCK_H
#define _LINUX_MEMBLOCK_H
#ifdef __KERNEL__

#ifdef CONFIG_HAVE_MEMBLOCK
/*
 * Logical memory blocks.
 *
 * Copyright (C) 2001 Peter Bergner, IBM Corp.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/init.h>
#include <linux/mm.h>

#define INIT_MEMBLOCK_REGIONS	128

/* Definition of memblock flags. */
#define MEMBLOCK_HOTPLUG	0x1	/* hotpluggable region */

struct memblock_region {
	phys_addr_t base;
	phys_addr_t size;
	unsigned long flags;
#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
	int nid;
#endif
};

struct memblock_type {
	unsigned long cnt;	/* number of regions */
	unsigned long max;	/* size of the allocated array */
	phys_addr_t total_size;	/* size of all regions */
	struct memblock_region *regions;
};

struct memblock {
	bool bottom_up;  /* is bottom up direction? */
	phys_addr_t current_limit;
	struct memblock_type memory;
	struct memblock_type reserved;
};

extern struct memblock memblock;
extern int memblock_debug;

#define memblock_dbg(fmt, ...) \
	if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)

phys_addr_t memblock_find_in_range_node(phys_addr_t start, phys_addr_t end,
				phys_addr_t size, phys_addr_t align, int nid);
phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
				   phys_addr_t size, phys_addr_t align);
phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
void memblock_allow_resize(void);
int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid);
int memblock_add(phys_addr_t base, phys_addr_t size);
int memblock_remove(phys_addr_t base, phys_addr_t size);
int memblock_free(phys_addr_t base, phys_addr_t size);
int memblock_reserve(phys_addr_t base, phys_addr_t size);
void memblock_trim_memory(phys_addr_t align);
int memblock_mark_hotplug(phys_addr_t base, phys_addr_t size);
int memblock_clear_hotplug(phys_addr_t base, phys_addr_t size);

#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
int memblock_search_pfn_nid(unsigned long pfn, unsigned long *start_pfn,
			    unsigned long  *end_pfn);
void __next_mem_pfn_range(int *idx, int nid, unsigned long *out_start_pfn,
			  unsigned long *out_end_pfn, int *out_nid);

/**
 * for_each_mem_pfn_range - early memory pfn range iterator
 * @i: an integer used as loop variable
 * @nid: node selector, %MAX_NUMNODES for all nodes
 * @p_start: ptr to ulong for start pfn of the range, can be %NULL
 * @p_end: ptr to ulong for end pfn of the range, can be %NULL
 * @p_nid: ptr to int for nid of the range, can be %NULL
 *
 * Walks over configured memory ranges.
 */
#define for_each_mem_pfn_range(i, nid, p_start, p_end, p_nid)		\
	for (i = -1, __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid); \
	     i >= 0; __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid))
#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */

void __next_free_mem_range(u64 *idx, int nid, phys_addr_t *out_start,
			   phys_addr_t *out_end, int *out_nid);

/**
 * for_each_free_mem_range - iterate through free memblock areas
 * @i: u64 used as loop variable
 * @nid: node selector, %MAX_NUMNODES for all nodes
 * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
 * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
 * @p_nid: ptr to int for nid of the range, can be %NULL
 *
 * Walks over free (memory && !reserved) areas of memblock.  Available as
 * soon as memblock is initialized.
 */
#define for_each_free_mem_range(i, nid, p_start, p_end, p_nid)		\
	for (i = 0,							\
	     __next_free_mem_range(&i, nid, p_start, p_end, p_nid);	\
	     i != (u64)ULLONG_MAX;					\
	     __next_free_mem_range(&i, nid, p_start, p_end, p_nid))

void __next_free_mem_range_rev(u64 *idx, int nid, phys_addr_t *out_start,
			       phys_addr_t *out_end, int *out_nid);

/**
 * for_each_free_mem_range_reverse - rev-iterate through free memblock areas
 * @i: u64 used as loop variable
 * @nid: node selector, %MAX_NUMNODES for all nodes
 * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
 * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
 * @p_nid: ptr to int for nid of the range, can be %NULL
 *
 * Walks over free (memory && !reserved) areas of memblock in reverse
 * order.  Available as soon as memblock is initialized.
 */
#define for_each_free_mem_range_reverse(i, nid, p_start, p_end, p_nid)	\
	for (i = (u64)ULLONG_MAX,					\
	     __next_free_mem_range_rev(&i, nid, p_start, p_end, p_nid);	\
	     i != (u64)ULLONG_MAX;					\
	     __next_free_mem_range_rev(&i, nid, p_start, p_end, p_nid))

static inline void memblock_set_region_flags(struct memblock_region *r,
					     unsigned long flags)
{
	r->flags |= flags;
}

static inline void memblock_clear_region_flags(struct memblock_region *r,
					       unsigned long flags)
{
	r->flags &= ~flags;
}

#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
int memblock_set_node(phys_addr_t base, phys_addr_t size, int nid);

static inline void memblock_set_region_node(struct memblock_region *r, int nid)
{
	r->nid = nid;
}

static inline int memblock_get_region_node(const struct memblock_region *r)
{
	return r->nid;
}
#else
static inline void memblock_set_region_node(struct memblock_region *r, int nid)
{
}

static inline int memblock_get_region_node(const struct memblock_region *r)
{
	return 0;
}
#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */

phys_addr_t memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int nid);
phys_addr_t memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid);

phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align);

#ifdef CONFIG_MOVABLE_NODE
/*
 * Set the allocation direction to bottom-up or top-down.
 */
static inline void memblock_set_bottom_up(bool enable)
{
	memblock.bottom_up = enable;
}

/*
 * Check if the allocation direction is bottom-up or not.
 * if this is true, that said, memblock will allocate memory
 * in bottom-up direction.
 */
static inline bool memblock_bottom_up(void)
{
	return memblock.bottom_up;
}
#else
static inline void memblock_set_bottom_up(bool enable) {}
static inline bool memblock_bottom_up(void) { return false; }
#endif

/* Flags for memblock_alloc_base() amd __memblock_alloc_base() */
#define MEMBLOCK_ALLOC_ANYWHERE	(~(phys_addr_t)0)
#define MEMBLOCK_ALLOC_ACCESSIBLE	0

phys_addr_t memblock_alloc_base(phys_addr_t size, phys_addr_t align,
				phys_addr_t max_addr);
phys_addr_t __memblock_alloc_base(phys_addr_t size, phys_addr_t align,
				  phys_addr_t max_addr);
phys_addr_t memblock_phys_mem_size(void);
phys_addr_t memblock_mem_size(unsigned long limit_pfn);
phys_addr_t memblock_start_of_DRAM(void);
phys_addr_t memblock_end_of_DRAM(void);
void memblock_enforce_memory_limit(phys_addr_t memory_limit);
int memblock_is_memory(phys_addr_t addr);
int memblock_is_region_memory(phys_addr_t base, phys_addr_t size);
int memblock_is_reserved(phys_addr_t addr);
int memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);

extern void __memblock_dump_all(void);

static inline void memblock_dump_all(void)
{
	if (memblock_debug)
		__memblock_dump_all();
}

/**
 * memblock_set_current_limit - Set the current allocation limit to allow
 *                         limiting allocations to what is currently
 *                         accessible during boot
 * @limit: New limit value (physical address)
 */
void memblock_set_current_limit(phys_addr_t limit);


/*
 * pfn conversion functions
 *
 * While the memory MEMBLOCKs should always be page aligned, the reserved
 * MEMBLOCKs may not be. This accessor attempt to provide a very clear
 * idea of what they return for such non aligned MEMBLOCKs.
 */

/**
 * memblock_region_memory_base_pfn - Return the lowest pfn intersecting with the memory region
 * @reg: memblock_region structure
 */
static inline unsigned long memblock_region_memory_base_pfn(const struct memblock_region *reg)
{
	return PFN_UP(reg->base);
}

/**
 * memblock_region_memory_end_pfn - Return the end_pfn this region
 * @reg: memblock_region structure
 */
static inline unsigned long memblock_region_memory_end_pfn(const struct memblock_region *reg)
{
	return PFN_DOWN(reg->base + reg->size);
}

/**
 * memblock_region_reserved_base_pfn - Return the lowest pfn intersecting with the reserved region
 * @reg: memblock_region structure
 */
static inline unsigned long memblock_region_reserved_base_pfn(const struct memblock_region *reg)
{
	return PFN_DOWN(reg->base);
}

/**
 * memblock_region_reserved_end_pfn - Return the end_pfn this region
 * @reg: memblock_region structure
 */
static inline unsigned long memblock_region_reserved_end_pfn(const struct memblock_region *reg)
{
	return PFN_UP(reg->base + reg->size);
}

#define for_each_memblock(memblock_type, region)					\
	for (region = memblock.memblock_type.regions;				\
	     region < (memblock.memblock_type.regions + memblock.memblock_type.cnt);	\
	     region++)


#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
#define __init_memblock __meminit
#define __initdata_memblock __meminitdata
#else
#define __init_memblock
#define __initdata_memblock
#endif

#else
static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align)
{
	return 0;
}

#endif /* CONFIG_HAVE_MEMBLOCK */

#endif /* __KERNEL__ */

#endif /* _LINUX_MEMBLOCK_H */
Commit	Line	Data
95f72d1e YL	1	#ifndef _LINUX_MEMBLOCK_H
	2	#define _LINUX_MEMBLOCK_H
	3	#ifdef __KERNEL__
	4
f0b37fad	5	#ifdef CONFIG_HAVE_MEMBLOCK
95f72d1e YL	6	/*
	7	* Logical memory blocks.
	8	*
	9	* Copyright (C) 2001 Peter Bergner, IBM Corp.
	10	*
	11	* This program is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU General Public License
	13	* as published by the Free Software Foundation; either version
	14	* 2 of the License, or (at your option) any later version.
	15	*/
	16
	17	#include <linux/init.h>
	18	#include <linux/mm.h>
	19
37d8d4bf	20	#define INIT_MEMBLOCK_REGIONS 128
95f72d1e	21
66b16edf TC	22	/* Definition of memblock flags. */
	23	#define MEMBLOCK_HOTPLUG 0x1 /* hotpluggable region */
	24
e3239ff9	25	struct memblock_region {
2898cc4c BH	26	phys_addr_t base;
2898cc4c BH	27	phys_addr_t size;
66a20757	28	unsigned long flags;
7c0caeb8 TH	29	#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
	30	int nid;
	31	#endif
95f72d1e YL	32	};
95f72d1e YL	33
e3239ff9	34	struct memblock_type {
bf23c51f BH	35	unsigned long cnt; /* number of regions */
bf23c51f BH	36	unsigned long max; /* size of the allocated array */
1440c4e2	37	phys_addr_t total_size; /* size of all regions */
bf23c51f	38	struct memblock_region *regions;
95f72d1e YL	39	};
	40
	41	struct memblock {
79442ed1	42	bool bottom_up; /* is bottom up direction? */
2898cc4c	43	phys_addr_t current_limit;
e3239ff9 BH	44	struct memblock_type memory;
e3239ff9 BH	45	struct memblock_type reserved;
95f72d1e YL	46	};
	47
	48	extern struct memblock memblock;
5e63cf43	49	extern int memblock_debug;
5e63cf43 YL	50
	51	#define memblock_dbg(fmt, ...) \
	52	if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
95f72d1e	53
7bd0b0f0 TH	54	phys_addr_t memblock_find_in_range_node(phys_addr_t start, phys_addr_t end,
7bd0b0f0 TH	55	phys_addr_t size, phys_addr_t align, int nid);
fc769a8e TH	56	phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
fc769a8e TH	57	phys_addr_t size, phys_addr_t align);
29f67386	58	phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
1aadc056	59	void memblock_allow_resize(void);
7fb0bc3f	60	int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid);
581adcbe TH	61	int memblock_add(phys_addr_t base, phys_addr_t size);
	62	int memblock_remove(phys_addr_t base, phys_addr_t size);
	63	int memblock_free(phys_addr_t base, phys_addr_t size);
	64	int memblock_reserve(phys_addr_t base, phys_addr_t size);
6ede1fd3	65	void memblock_trim_memory(phys_addr_t align);
66b16edf TC	66	int memblock_mark_hotplug(phys_addr_t base, phys_addr_t size);
66b16edf TC	67	int memblock_clear_hotplug(phys_addr_t base, phys_addr_t size);
e63075a3	68
0ee332c1	69	#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
e76b63f8 YL	70	int memblock_search_pfn_nid(unsigned long pfn, unsigned long *start_pfn,
e76b63f8 YL	71	unsigned long *end_pfn);
0ee332c1 TH	72	void __next_mem_pfn_range(int idx, int nid, unsigned long out_start_pfn,
	73	unsigned long out_end_pfn, int out_nid);
	74
	75	/**
	76	* for_each_mem_pfn_range - early memory pfn range iterator
	77	* @i: an integer used as loop variable
	78	* @nid: node selector, %MAX_NUMNODES for all nodes
	79	* @p_start: ptr to ulong for start pfn of the range, can be %NULL
	80	* @p_end: ptr to ulong for end pfn of the range, can be %NULL
	81	* @p_nid: ptr to int for nid of the range, can be %NULL
	82	*
f2d52fe5	83	* Walks over configured memory ranges.
0ee332c1 TH	84	*/
	85	#define for_each_mem_pfn_range(i, nid, p_start, p_end, p_nid) \
	86	for (i = -1, __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid); \
	87	i >= 0; __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid))
	88	#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
	89
581adcbe TH	90	void __next_free_mem_range(u64 idx, int nid, phys_addr_t out_start,
581adcbe TH	91	phys_addr_t out_end, int out_nid);
35fd0808 TH	92
	93	/**
	94	* for_each_free_mem_range - iterate through free memblock areas
	95	* @i: u64 used as loop variable
	96	* @nid: node selector, %MAX_NUMNODES for all nodes
	97	* @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
	98	* @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
	99	* @p_nid: ptr to int for nid of the range, can be %NULL
	100	*
	101	* Walks over free (memory && !reserved) areas of memblock. Available as
	102	* soon as memblock is initialized.
	103	*/
	104	#define for_each_free_mem_range(i, nid, p_start, p_end, p_nid) \
	105	for (i = 0, \
	106	__next_free_mem_range(&i, nid, p_start, p_end, p_nid); \
	107	i != (u64)ULLONG_MAX; \
	108	__next_free_mem_range(&i, nid, p_start, p_end, p_nid))
	109
7bd0b0f0 TH	110	void __next_free_mem_range_rev(u64 idx, int nid, phys_addr_t out_start,
	111	phys_addr_t out_end, int out_nid);
	112
	113	/**
	114	* for_each_free_mem_range_reverse - rev-iterate through free memblock areas
	115	* @i: u64 used as loop variable
	116	* @nid: node selector, %MAX_NUMNODES for all nodes
	117	* @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
	118	* @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
	119	* @p_nid: ptr to int for nid of the range, can be %NULL
	120	*
	121	* Walks over free (memory && !reserved) areas of memblock in reverse
	122	* order. Available as soon as memblock is initialized.
	123	*/
	124	#define for_each_free_mem_range_reverse(i, nid, p_start, p_end, p_nid) \
	125	for (i = (u64)ULLONG_MAX, \
	126	__next_free_mem_range_rev(&i, nid, p_start, p_end, p_nid); \
	127	i != (u64)ULLONG_MAX; \
	128	__next_free_mem_range_rev(&i, nid, p_start, p_end, p_nid))
	129
66b16edf TC	130	static inline void memblock_set_region_flags(struct memblock_region *r,
	131	unsigned long flags)
	132	{
	133	r->flags \|= flags;
	134	}
	135
	136	static inline void memblock_clear_region_flags(struct memblock_region *r,
	137	unsigned long flags)
	138	{
	139	r->flags &= ~flags;
	140	}
	141
7c0caeb8	142	#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
581adcbe	143	int memblock_set_node(phys_addr_t base, phys_addr_t size, int nid);
7c0caeb8 TH	144
	145	static inline void memblock_set_region_node(struct memblock_region *r, int nid)
	146	{
	147	r->nid = nid;
	148	}
	149
	150	static inline int memblock_get_region_node(const struct memblock_region *r)
	151	{
	152	return r->nid;
	153	}
	154	#else
	155	static inline void memblock_set_region_node(struct memblock_region *r, int nid)
	156	{
	157	}
	158
	159	static inline int memblock_get_region_node(const struct memblock_region *r)
	160	{
	161	return 0;
	162	}
	163	#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
	164
581adcbe TH	165	phys_addr_t memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int nid);
581adcbe TH	166	phys_addr_t memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid);
9d1e2492	167
581adcbe	168	phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align);
e63075a3	169
79442ed1 TC	170	#ifdef CONFIG_MOVABLE_NODE
	171	/*
	172	* Set the allocation direction to bottom-up or top-down.
	173	*/
	174	static inline void memblock_set_bottom_up(bool enable)
	175	{
	176	memblock.bottom_up = enable;
	177	}
	178
	179	/*
	180	* Check if the allocation direction is bottom-up or not.
	181	* if this is true, that said, memblock will allocate memory
	182	* in bottom-up direction.
	183	*/
	184	static inline bool memblock_bottom_up(void)
	185	{
	186	return memblock.bottom_up;
	187	}
	188	#else
	189	static inline void memblock_set_bottom_up(bool enable) {}
	190	static inline bool memblock_bottom_up(void) { return false; }
	191	#endif
	192
e63075a3	193	/* Flags for memblock_alloc_base() amd __memblock_alloc_base() */
2898cc4c	194	#define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0)
e63075a3 BH	195	#define MEMBLOCK_ALLOC_ACCESSIBLE 0
e63075a3 BH	196
581adcbe TH	197	phys_addr_t memblock_alloc_base(phys_addr_t size, phys_addr_t align,
	198	phys_addr_t max_addr);
	199	phys_addr_t __memblock_alloc_base(phys_addr_t size, phys_addr_t align,
	200	phys_addr_t max_addr);
	201	phys_addr_t memblock_phys_mem_size(void);
595ad9af	202	phys_addr_t memblock_mem_size(unsigned long limit_pfn);
581adcbe TH	203	phys_addr_t memblock_start_of_DRAM(void);
	204	phys_addr_t memblock_end_of_DRAM(void);
	205	void memblock_enforce_memory_limit(phys_addr_t memory_limit);
	206	int memblock_is_memory(phys_addr_t addr);
	207	int memblock_is_region_memory(phys_addr_t base, phys_addr_t size);
	208	int memblock_is_reserved(phys_addr_t addr);
	209	int memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);
	210
4ff7b82f TH	211	extern void __memblock_dump_all(void);
	212
	213	static inline void memblock_dump_all(void)
	214	{
	215	if (memblock_debug)
	216	__memblock_dump_all();
	217	}
95f72d1e	218
e63075a3 BH	219	/**
	220	* memblock_set_current_limit - Set the current allocation limit to allow
	221	* limiting allocations to what is currently
	222	* accessible during boot
	223	* @limit: New limit value (physical address)
	224	*/
581adcbe	225	void memblock_set_current_limit(phys_addr_t limit);
e63075a3	226
35a1f0bd	227
5b385f25 BH	228	/*
	229	* pfn conversion functions
	230	*
	231	* While the memory MEMBLOCKs should always be page aligned, the reserved
	232	* MEMBLOCKs may not be. This accessor attempt to provide a very clear
	233	* idea of what they return for such non aligned MEMBLOCKs.
	234	*/
	235
	236	/**
c7fc2de0	237	* memblock_region_memory_base_pfn - Return the lowest pfn intersecting with the memory region
5b385f25 BH	238	* @reg: memblock_region structure
5b385f25 BH	239	*/
c7fc2de0	240	static inline unsigned long memblock_region_memory_base_pfn(const struct memblock_region *reg)
5b385f25	241	{
c7fc2de0	242	return PFN_UP(reg->base);
5b385f25 BH	243	}
	244
	245	/**
c7fc2de0	246	* memblock_region_memory_end_pfn - Return the end_pfn this region
5b385f25 BH	247	* @reg: memblock_region structure
5b385f25 BH	248	*/
c7fc2de0	249	static inline unsigned long memblock_region_memory_end_pfn(const struct memblock_region *reg)
5b385f25	250	{
c7fc2de0	251	return PFN_DOWN(reg->base + reg->size);
5b385f25 BH	252	}
	253
	254	/**
c7fc2de0	255	* memblock_region_reserved_base_pfn - Return the lowest pfn intersecting with the reserved region
5b385f25 BH	256	* @reg: memblock_region structure
5b385f25 BH	257	*/
c7fc2de0	258	static inline unsigned long memblock_region_reserved_base_pfn(const struct memblock_region *reg)
5b385f25	259	{
c7fc2de0	260	return PFN_DOWN(reg->base);
5b385f25 BH	261	}
	262
	263	/**
c7fc2de0	264	* memblock_region_reserved_end_pfn - Return the end_pfn this region
5b385f25 BH	265	* @reg: memblock_region structure
5b385f25 BH	266	*/
c7fc2de0	267	static inline unsigned long memblock_region_reserved_end_pfn(const struct memblock_region *reg)
5b385f25	268	{
c7fc2de0	269	return PFN_UP(reg->base + reg->size);
5b385f25 BH	270	}
	271
	272	#define for_each_memblock(memblock_type, region) \
	273	for (region = memblock.memblock_type.regions; \
	274	region < (memblock.memblock_type.regions + memblock.memblock_type.cnt); \
	275	region++)
	276
	277
c378ddd5	278	#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
67e24bcb TH	279	#define __init_memblock __meminit
67e24bcb TH	280	#define __initdata_memblock __meminitdata
10d06439 YL	281	#else
	282	#define __init_memblock
	283	#define __initdata_memblock
	284	#endif
	285
95dde501 YL	286	#else
	287	static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align)
	288	{
1f5026a7	289	return 0;
95dde501 YL	290	}
95dde501 YL	291
f0b37fad YL	292	#endif /* CONFIG_HAVE_MEMBLOCK */
f0b37fad YL	293
95f72d1e YL	294	#endif /* __KERNEL__ */
	295
	296	#endif /* _LINUX_MEMBLOCK_H */