diff options
Diffstat (limited to 'mm/bootmem.c')
| -rw-r--r-- | mm/bootmem.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c index 16b9465eb4eb..cbb82ee14fb5 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -393,15 +393,14 @@ unsigned long __init free_all_bootmem (void) return(free_all_bootmem_core(NODE_DATA(0))); } -void * __init __alloc_bootmem_limit (unsigned long size, unsigned long align, unsigned long goal, - unsigned long limit) +void * __init __alloc_bootmem(unsigned long size, unsigned long align, unsigned long goal) { pg_data_t *pgdat = pgdat_list; void *ptr; for_each_pgdat(pgdat) if ((ptr = __alloc_bootmem_core(pgdat->bdata, size, - align, goal, limit))) + align, goal, 0))) return(ptr); /* @@ -413,15 +412,40 @@ void * __init __alloc_bootmem_limit (unsigned long size, unsigned long align, un } -void * __init __alloc_bootmem_node_limit (pg_data_t *pgdat, unsigned long size, unsigned long align, - unsigned long goal, unsigned long limit) +void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, unsigned long align, + unsigned long goal) { void *ptr; - ptr = __alloc_bootmem_core(pgdat->bdata, size, align, goal, limit); + ptr = __alloc_bootmem_core(pgdat->bdata, size, align, goal, 0); if (ptr) return (ptr); - return __alloc_bootmem_limit(size, align, goal, limit); + return __alloc_bootmem(size, align, goal); } +#define LOW32LIMIT 0xffffffff + +void * __init __alloc_bootmem_low(unsigned long size, unsigned long align, unsigned long goal) +{ + pg_data_t *pgdat = pgdat_list; + void *ptr; + + for_each_pgdat(pgdat) + if ((ptr = __alloc_bootmem_core(pgdat->bdata, size, + align, goal, LOW32LIMIT))) + return(ptr); + + /* + * Whoops, we cannot satisfy the allocation request. + */ + printk(KERN_ALERT "low bootmem alloc of %lu bytes failed!\n", size); + panic("Out of low memory"); + return NULL; +} + +void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size, + unsigned long align, unsigned long goal) +{ + return __alloc_bootmem_core(pgdat->bdata, size, align, goal, LOW32LIMIT); +} |