diff options
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/init_32.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 9bb35cf8bc4..20ca29591ab 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -705,6 +705,23 @@ void __init setup_bootmem_allocator(void) } +/* + * The node 0 pgdat is initialized before all of these because + * it's needed for bootmem. node>0 pgdats have their virtual + * space allocated before the pagetables are in place to access + * them, so they can't be cleared then. + * + * This should all compile down to nothing when NUMA is off. + */ +static void __init remapped_pgdat_init(void) +{ + int nid; + + for_each_online_node(nid) { + if (nid != 0) + memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); + } +} /* * paging_init() sets up the page tables - note that the first 8MB are @@ -727,6 +744,18 @@ void __init paging_init(void) __flush_tlb_all(); kmap_init(); + + /* + * NOTE: at this point the bootmem allocator is fully available. + */ + + post_reserve_initrd(); + + remapped_pgdat_init(); + sparse_init(); + zone_sizes_init(); + + paravirt_post_allocator_init(); } /* |