X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2Fbootmem.c;h=e8fb927392b9ac02b4ad16878847551d103a1b43;hb=e800f17c6ffe8b0410d8cf060ab204b93e9c73ab;hp=b6791646143e9a24e7aeaacef415e572e619da45;hpb=1dbbb6077426f8ce63d6a59c5ac6613e1689cbde;p=linux-2.6-omap-h63xx.git diff --git a/mm/bootmem.c b/mm/bootmem.c index b6791646143..e8fb927392b 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -461,6 +461,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr, unsigned long __init free_all_bootmem_node(pg_data_t *pgdat) { + register_page_bootmem_info_node(pgdat); return free_all_bootmem_core(pgdat); } @@ -544,6 +545,37 @@ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, return __alloc_bootmem(size, align, goal); } +#ifdef CONFIG_SPARSEMEM +void * __init alloc_bootmem_section(unsigned long size, + unsigned long section_nr) +{ + void *ptr; + unsigned long limit, goal, start_nr, end_nr, pfn; + struct pglist_data *pgdat; + + pfn = section_nr_to_pfn(section_nr); + goal = PFN_PHYS(pfn); + limit = PFN_PHYS(section_nr_to_pfn(section_nr + 1)) - 1; + pgdat = NODE_DATA(early_pfn_to_nid(pfn)); + ptr = __alloc_bootmem_core(pgdat->bdata, size, SMP_CACHE_BYTES, goal, + limit); + + if (!ptr) + return NULL; + + start_nr = pfn_to_section_nr(PFN_DOWN(__pa(ptr))); + end_nr = pfn_to_section_nr(PFN_DOWN(__pa(ptr) + size)); + if (start_nr != section_nr || end_nr != section_nr) { + printk(KERN_WARNING "alloc_bootmem failed on section %ld.\n", + section_nr); + free_bootmem_core(pgdat->bdata, __pa(ptr), size); + ptr = NULL; + } + + return ptr; +} +#endif + #ifndef ARCH_LOW_ADDRESS_LIMIT #define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL #endif