diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/memblock.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/memblock.h | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/ANDROID_3.4.5/include/linux/memblock.h b/ANDROID_3.4.5/include/linux/memblock.h deleted file mode 100644 index 19dc455b..00000000 --- a/ANDROID_3.4.5/include/linux/memblock.h +++ /dev/null @@ -1,251 +0,0 @@ -#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 - -struct memblock_region { - phys_addr_t base; - phys_addr_t size; -#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 { - 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); - -#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP -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. Available after early_node_map is - * populated. - */ -#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)) - -#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); - -/* 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_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 */ |