diff options
Diffstat (limited to 'arch/x86/pci/common.c')
-rw-r--r-- | arch/x86/pci/common.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index f7d6800..d491ded 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -683,72 +683,3 @@ int pci_ext_cfg_avail(void) else return 0; } - -/* - * NUMA info for PCI busses - * - * Early arch code is responsible for filling in reasonable values here. - * A node id of "-1" means "use current node". In other words, if a bus - * has a -1 node id, it's not tightly coupled to any particular chunk - * of memory (as is the case on some Nehalem systems). - */ -#ifdef CONFIG_NUMA - -#define BUS_NR 256 - -#ifdef CONFIG_X86_64 - -static int mp_bus_to_node[BUS_NR] = { - [0 ... BUS_NR - 1] = -1 -}; - -void set_mp_bus_to_node(int busnum, int node) -{ - if (busnum >= 0 && busnum < BUS_NR) - mp_bus_to_node[busnum] = node; -} - -int get_mp_bus_to_node(int busnum) -{ - int node = -1; - - if (busnum < 0 || busnum > (BUS_NR - 1)) - return node; - - node = mp_bus_to_node[busnum]; - - /* - * let numa_node_id to decide it later in dma_alloc_pages - * if there is no ram on that node - */ - if (node != -1 && !node_online(node)) - node = -1; - - return node; -} - -#else /* CONFIG_X86_32 */ - -static int mp_bus_to_node[BUS_NR] = { - [0 ... BUS_NR - 1] = -1 -}; - -void set_mp_bus_to_node(int busnum, int node) -{ - if (busnum >= 0 && busnum < BUS_NR) - mp_bus_to_node[busnum] = (unsigned char) node; -} - -int get_mp_bus_to_node(int busnum) -{ - int node; - - if (busnum < 0 || busnum > (BUS_NR - 1)) - return 0; - node = mp_bus_to_node[busnum]; - return node; -} - -#endif /* CONFIG_X86_32 */ - -#endif /* CONFIG_NUMA */ |