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[PATCH] Cleanup bootmem allocator and fix alloc_bootmem_low

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Patch cleans up the alloc_bootmem fix for swiotlb.  Patch removes
alloc_bootmem_*_limit api and fixes alloc_boot_*low api to do the right
thing -- allocate from low32 memory.

Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ravikiran G Thirumalai 2006-01-06 00:11:01 -08:00 • committed by Linus Torvalds
parent 085cc7d5de
commit 008857c1a4
3 changed files with 44 additions and 43 deletions
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46
include/linux/bootmem.h
View file

@ -43,50 +43,38 @@ typedef struct bootmem_data {
extern unsigned long __init bootmem_bootmap_pages (unsigned long);
extern unsigned long __init init_bootmem (unsigned long addr, unsigned long memend);
extern void __init free_bootmem (unsigned long addr, unsigned long size);
extern void * __init __alloc_bootmem_limit (unsigned long size, unsigned long align, unsigned long goal, unsigned long limit);
extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal);
extern void * __init __alloc_bootmem_low(unsigned long size,
unsigned long align,
unsigned long goal);
extern void * __init __alloc_bootmem_low_node(pg_data_t *pgdat,
unsigned long size,
unsigned long align,
unsigned long goal);
#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
extern void __init reserve_bootmem (unsigned long addr, unsigned long size);
#define alloc_bootmem(x) \
__alloc_bootmem((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
#define alloc_bootmem_low(x) \
__alloc_bootmem((x), SMP_CACHE_BYTES, 0)
__alloc_bootmem_low((x), SMP_CACHE_BYTES, 0)
#define alloc_bootmem_pages(x) \
__alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
#define alloc_bootmem_low_pages(x) \
__alloc_bootmem((x), PAGE_SIZE, 0)
#define alloc_bootmem_limit(x, limit) \
__alloc_bootmem_limit((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
#define alloc_bootmem_low_limit(x, limit) \
__alloc_bootmem_limit((x), SMP_CACHE_BYTES, 0, (limit))
#define alloc_bootmem_pages_limit(x, limit) \
__alloc_bootmem_limit((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit))
#define alloc_bootmem_low_pages_limit(x, limit) \
__alloc_bootmem_limit((x), PAGE_SIZE, 0, (limit))
__alloc_bootmem_low((x), PAGE_SIZE, 0)
#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
extern unsigned long __init free_all_bootmem (void);
extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal);
extern unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long freepfn, unsigned long startpfn, unsigned long endpfn);
extern void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size);
extern void __init free_bootmem_node (pg_data_t *pgdat, unsigned long addr, unsigned long size);
extern unsigned long __init free_all_bootmem_node (pg_data_t *pgdat);
extern void * __init __alloc_bootmem_node_limit (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal, unsigned long limit);
#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
#define alloc_bootmem_node(pgdat, x) \
__alloc_bootmem_node((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
#define alloc_bootmem_pages_node(pgdat, x) \
__alloc_bootmem_node((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
#define alloc_bootmem_low_pages_node(pgdat, x) \
__alloc_bootmem_node((pgdat), (x), PAGE_SIZE, 0)
#define alloc_bootmem_node_limit(pgdat, x, limit) \
__alloc_bootmem_node_limit((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
#define alloc_bootmem_pages_node_limit(pgdat, x, limit) \
__alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit))
#define alloc_bootmem_low_pages_node_limit(pgdat, x, limit) \
__alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, 0, (limit))
__alloc_bootmem_low_node((pgdat), (x), PAGE_SIZE, 0)
#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
#ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP
@ -123,15 +111,5 @@ extern void *__init alloc_large_system_hash(const char *tablename,
#endif
extern int __initdata hashdist; /* Distribute hashes across NUMA nodes? */
static inline void *__alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal)
{
return __alloc_bootmem_limit(size, align, goal, 0);
}
static inline void *__alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align,
unsigned long goal)
{
return __alloc_bootmem_node_limit(pgdat, size, align, goal, 0);
}
#endif /* _LINUX_BOOTMEM_H */