diff options
Diffstat (limited to 'include/linux/bootmem.h')
| -rw-r--r-- | include/linux/bootmem.h | 190 |
1 files changed, 189 insertions, 1 deletions
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index f1f07d31a3af..db51fe4fe317 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -5,6 +5,7 @@ #define _LINUX_BOOTMEM_H #include <linux/mmzone.h> +#include <linux/mm_types.h> #include <asm/dma.h> /* @@ -52,7 +53,6 @@ extern void free_bootmem_node(pg_data_t *pgdat, unsigned long size); extern void free_bootmem(unsigned long physaddr, unsigned long size); extern void free_bootmem_late(unsigned long physaddr, unsigned long size); -extern void __free_pages_bootmem(struct page *page, unsigned int order); /* * Flags for reserve_bootmem (also if CONFIG_HAVE_ARCH_BOOTMEM_NODE, @@ -142,6 +142,194 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat, #define alloc_bootmem_low_pages_node(pgdat, x) \ __alloc_bootmem_low_node(pgdat, x, PAGE_SIZE, 0) + +#if defined(CONFIG_HAVE_MEMBLOCK) && defined(CONFIG_NO_BOOTMEM) + +/* FIXME: use MEMBLOCK_ALLOC_* variants here */ +#define BOOTMEM_ALLOC_ACCESSIBLE 0 +#define BOOTMEM_ALLOC_ANYWHERE (~(phys_addr_t)0) + +/* FIXME: Move to memblock.h at a point where we remove nobootmem.c */ +void *memblock_virt_alloc_try_nid_nopanic(phys_addr_t size, + phys_addr_t align, phys_addr_t min_addr, + phys_addr_t max_addr, int nid); +void *memblock_virt_alloc_try_nid(phys_addr_t size, phys_addr_t align, + phys_addr_t min_addr, phys_addr_t max_addr, int nid); +void __memblock_free_early(phys_addr_t base, phys_addr_t size); +void __memblock_free_late(phys_addr_t base, phys_addr_t size); + +static inline void * __init memblock_virt_alloc( + phys_addr_t size, phys_addr_t align) +{ + return memblock_virt_alloc_try_nid(size, align, BOOTMEM_LOW_LIMIT, + BOOTMEM_ALLOC_ACCESSIBLE, + NUMA_NO_NODE); +} + +static inline void * __init memblock_virt_alloc_nopanic( + phys_addr_t size, phys_addr_t align) +{ + return memblock_virt_alloc_try_nid_nopanic(size, align, + BOOTMEM_LOW_LIMIT, + BOOTMEM_ALLOC_ACCESSIBLE, + NUMA_NO_NODE); +} + +#ifndef ARCH_LOW_ADDRESS_LIMIT +#define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL +#endif + +static inline void * __init memblock_virt_alloc_low( + phys_addr_t size, phys_addr_t align) +{ + return memblock_virt_alloc_try_nid(size, align, + BOOTMEM_LOW_LIMIT, + ARCH_LOW_ADDRESS_LIMIT, + NUMA_NO_NODE); +} +static inline void * __init memblock_virt_alloc_low_nopanic( + phys_addr_t size, phys_addr_t align) +{ + return memblock_virt_alloc_try_nid_nopanic(size, align, + BOOTMEM_LOW_LIMIT, + ARCH_LOW_ADDRESS_LIMIT, + NUMA_NO_NODE); +} + +static inline void * __init memblock_virt_alloc_from_nopanic( + phys_addr_t size, phys_addr_t align, phys_addr_t min_addr) +{ + return memblock_virt_alloc_try_nid_nopanic(size, align, min_addr, + BOOTMEM_ALLOC_ACCESSIBLE, + NUMA_NO_NODE); +} + +static inline void * __init memblock_virt_alloc_node( + phys_addr_t size, int nid) +{ + return memblock_virt_alloc_try_nid(size, 0, BOOTMEM_LOW_LIMIT, + BOOTMEM_ALLOC_ACCESSIBLE, nid); +} + +static inline void * __init memblock_virt_alloc_node_nopanic( + phys_addr_t size, int nid) +{ + return memblock_virt_alloc_try_nid_nopanic(size, 0, BOOTMEM_LOW_LIMIT, + BOOTMEM_ALLOC_ACCESSIBLE, + nid); +} + +static inline void __init memblock_free_early( + phys_addr_t base, phys_addr_t size) +{ + __memblock_free_early(base, size); +} + +static inline void __init memblock_free_early_nid( + phys_addr_t base, phys_addr_t size, int nid) +{ + __memblock_free_early(base, size); +} + +static inline void __init memblock_free_late( + phys_addr_t base, phys_addr_t size) +{ + __memblock_free_late(base, size); +} + +#else + +#define BOOTMEM_ALLOC_ACCESSIBLE 0 + + +/* Fall back to all the existing bootmem APIs */ +static inline void * __init memblock_virt_alloc( + phys_addr_t size, phys_addr_t align) +{ + if (!align) + align = SMP_CACHE_BYTES; + return __alloc_bootmem(size, align, BOOTMEM_LOW_LIMIT); +} + +static inline void * __init memblock_virt_alloc_nopanic( + phys_addr_t size, phys_addr_t align) +{ + if (!align) + align = SMP_CACHE_BYTES; + return __alloc_bootmem_nopanic(size, align, BOOTMEM_LOW_LIMIT); +} + +static inline void * __init memblock_virt_alloc_low( + phys_addr_t size, phys_addr_t align) +{ + if (!align) + align = SMP_CACHE_BYTES; + return __alloc_bootmem_low(size, align, 0); +} + +static inline void * __init memblock_virt_alloc_low_nopanic( + phys_addr_t size, phys_addr_t align) +{ + if (!align) + align = SMP_CACHE_BYTES; + return __alloc_bootmem_low_nopanic(size, align, 0); +} + +static inline void * __init memblock_virt_alloc_from_nopanic( + phys_addr_t size, phys_addr_t align, phys_addr_t min_addr) +{ + return __alloc_bootmem_nopanic(size, align, min_addr); +} + +static inline void * __init memblock_virt_alloc_node( + phys_addr_t size, int nid) +{ + return __alloc_bootmem_node(NODE_DATA(nid), size, SMP_CACHE_BYTES, + BOOTMEM_LOW_LIMIT); +} + +static inline void * __init memblock_virt_alloc_node_nopanic( + phys_addr_t size, int nid) +{ + return __alloc_bootmem_node_nopanic(NODE_DATA(nid), size, + SMP_CACHE_BYTES, + BOOTMEM_LOW_LIMIT); +} + +static inline void * __init memblock_virt_alloc_try_nid(phys_addr_t size, + phys_addr_t align, phys_addr_t min_addr, phys_addr_t max_addr, int nid) +{ + return __alloc_bootmem_node_high(NODE_DATA(nid), size, align, + min_addr); +} + +static inline void * __init memblock_virt_alloc_try_nid_nopanic( + phys_addr_t size, phys_addr_t align, + phys_addr_t min_addr, phys_addr_t max_addr, int nid) +{ + return ___alloc_bootmem_node_nopanic(NODE_DATA(nid), size, align, + min_addr, max_addr); +} + +static inline void __init memblock_free_early( + phys_addr_t base, phys_addr_t size) +{ + free_bootmem(base, size); +} + +static inline void __init memblock_free_early_nid( + phys_addr_t base, phys_addr_t size, int nid) +{ + free_bootmem_node(NODE_DATA(nid), base, size); +} + +static inline void __init memblock_free_late( + phys_addr_t base, phys_addr_t size) +{ + free_bootmem_late(base, size); +} +#endif /* defined(CONFIG_HAVE_MEMBLOCK) && defined(CONFIG_NO_BOOTMEM) */ + #ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP extern void *alloc_remap(int nid, unsigned long size); #else |