diff options
Diffstat (limited to 'arch/mips/sgi-ip27/ip27-memory.c')
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-memory.c | 71 |
1 files changed, 23 insertions, 48 deletions
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index bc1297109cc..a95c00f5fb9 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -12,6 +12,7 @@ */ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/memblock.h> #include <linux/mm.h> #include <linux/mmzone.h> #include <linux/module.h> @@ -30,8 +31,8 @@ #include <asm/sn/sn_private.h> -#define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT) -#define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT) +#define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT) +#define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT) struct node_data *__node_data[MAX_COMPACT_NODES]; @@ -42,7 +43,7 @@ static int fine_mode; static int is_fine_dirmode(void) { return (((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_REGIONSIZE_MASK) - >> NSRI_REGIONSIZE_SHFT) & REGIONSIZE_FINE); + >> NSRI_REGIONSIZE_SHFT) & REGIONSIZE_FINE); } static hubreg_t get_region(cnodeid_t cnode) @@ -65,7 +66,7 @@ static void gen_region_mask(hubreg_t *region_mask) } } -#define rou_rflag rou_flags +#define rou_rflag rou_flags static int router_distance; @@ -254,14 +255,14 @@ static void __init dump_topology(void) } } -static pfn_t __init slot_getbasepfn(cnodeid_t cnode, int slot) +static unsigned long __init slot_getbasepfn(cnodeid_t cnode, int slot) { nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode); - return ((pfn_t)nasid << PFN_NASIDSHFT) | (slot << SLOT_PFNSHIFT); + return ((unsigned long)nasid << PFN_NASIDSHFT) | (slot << SLOT_PFNSHIFT); } -static pfn_t __init slot_psize_compute(cnodeid_t node, int slot) +static unsigned long __init slot_psize_compute(cnodeid_t node, int slot) { nasid_t nasid; lboard_t *brd; @@ -352,12 +353,10 @@ static void __init mlreset(void) static void __init szmem(void) { - pfn_t slot_psize, slot0sz = 0, nodebytes; /* Hack to detect problem configs */ + unsigned long slot_psize, slot0sz = 0, nodebytes; /* Hack to detect problem configs */ int slot; cnodeid_t node; - num_physpages = 0; - for_each_online_node(node) { nodebytes = 0; for (slot = 0; slot < MAX_MEM_SLOTS; slot++) { @@ -380,19 +379,18 @@ static void __init szmem(void) slot = MAX_MEM_SLOTS; continue; } - num_physpages += slot_psize; - add_active_range(node, slot_getbasepfn(node, slot), - slot_getbasepfn(node, slot) + slot_psize); + memblock_add_node(PFN_PHYS(slot_getbasepfn(node, slot)), + PFN_PHYS(slot_psize), node); } } } static void __init node_mem_init(cnodeid_t node) { - pfn_t slot_firstpfn = slot_getbasepfn(node, 0); - pfn_t slot_freepfn = node_getfirstfree(node); + unsigned long slot_firstpfn = slot_getbasepfn(node, 0); + unsigned long slot_freepfn = node_getfirstfree(node); unsigned long bootmap_size; - pfn_t start_pfn, end_pfn; + unsigned long start_pfn, end_pfn; get_pfn_range_for_nid(node, &start_pfn, &end_pfn); @@ -400,6 +398,7 @@ static void __init node_mem_init(cnodeid_t node) * Allocate the node data structures on the node first. */ __node_data[node] = __va(slot_freepfn << PAGE_SHIFT); + memset(__node_data[node], 0, PAGE_SIZE); NODE_DATA(node)->bdata = &bootmem_node_data[node]; NODE_DATA(node)->node_start_pfn = start_pfn; @@ -410,7 +409,7 @@ static void __init node_mem_init(cnodeid_t node) slot_freepfn += PFN_UP(sizeof(struct pglist_data) + sizeof(struct hub_data)); - bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn, + bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn, start_pfn, end_pfn); free_bootmem_with_active_regions(node, end_pfn); reserve_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT, @@ -420,7 +419,7 @@ static void __init node_mem_init(cnodeid_t node) } /* - * A node with nothing. We use it to avoid any special casing in + * A node with nothing. We use it to avoid any special casing in * cpumask_of_node */ static struct node_data null_node = { @@ -455,7 +454,7 @@ void __init prom_free_prom_memory(void) /* We got nothing to free here ... */ } -extern unsigned long setup_zero_pages(void); +extern void setup_zero_pages(void); void __init paging_init(void) { @@ -465,7 +464,7 @@ void __init paging_init(void) pagetable_init(); for_each_online_node(node) { - pfn_t start_pfn, end_pfn; + unsigned long start_pfn, end_pfn; get_pfn_range_for_nid(node, &start_pfn, &end_pfn); @@ -478,32 +477,8 @@ void __init paging_init(void) void __init mem_init(void) { - unsigned long codesize, datasize, initsize, tmp; - unsigned node; - - high_memory = (void *) __va(num_physpages << PAGE_SHIFT); - - for_each_online_node(node) { - /* - * This will free up the bootmem, ie, slot 0 memory. - */ - totalram_pages += free_all_bootmem_node(NODE_DATA(node)); - } - - totalram_pages -= setup_zero_pages(); /* This comes from node 0 */ - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_etext; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - tmp = nr_free_pages(); - printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, " - "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n", - tmp << (PAGE_SHIFT-10), - num_physpages << (PAGE_SHIFT-10), - codesize >> 10, - (num_physpages - tmp) << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10, - totalhigh_pages << (PAGE_SHIFT-10)); + high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT); + free_all_bootmem(); + setup_zero_pages(); /* This comes from node 0 */ + mem_init_print_info(NULL); } |