diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/mm/numa.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index aabf30175eb..9ec9939f9fb 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -822,23 +822,28 @@ static void __init dump_numa_memory_topology(void) * required. nid is the preferred node and end is the physical address of * the highest address in the node. * - * Returns the physical address of the memory. + * Returns the virtual address of the memory. */ static void __init *careful_allocation(int nid, unsigned long size, unsigned long align, unsigned long end_pfn) { + void *ret; int new_nid; - unsigned long ret = __lmb_alloc_base(size, align, end_pfn << PAGE_SHIFT); + unsigned long ret_paddr; + + ret_paddr = __lmb_alloc_base(size, align, end_pfn << PAGE_SHIFT); /* retry over all memory */ - if (!ret) - ret = __lmb_alloc_base(size, align, lmb_end_of_DRAM()); + if (!ret_paddr) + ret_paddr = __lmb_alloc_base(size, align, lmb_end_of_DRAM()); - if (!ret) + if (!ret_paddr) panic("numa.c: cannot allocate %lu bytes for node %d", size, nid); + ret = __va(ret_paddr); + /* * We initialize the nodes in numeric order: 0, 1, 2... * and hand over control from the LMB allocator to the @@ -851,17 +856,15 @@ static void __init *careful_allocation(int nid, unsigned long size, * instead of the LMB. We don't free the LMB memory * since it would be useless. */ - new_nid = early_pfn_to_nid(ret >> PAGE_SHIFT); + new_nid = early_pfn_to_nid(ret_paddr >> PAGE_SHIFT); if (new_nid < nid) { - ret = (unsigned long)__alloc_bootmem_node(NODE_DATA(new_nid), + ret = __alloc_bootmem_node(NODE_DATA(new_nid), size, align, 0); - ret = __pa(ret); - - dbg("alloc_bootmem %lx %lx\n", ret, size); + dbg("alloc_bootmem %p %lx\n", ret, size); } - return (void *)ret; + return ret; } static struct notifier_block __cpuinitdata ppc64_numa_nb = { @@ -956,7 +959,7 @@ void __init do_init_bootmem(void) for_each_online_node(nid) { unsigned long start_pfn, end_pfn; - unsigned long bootmem_paddr; + void *bootmem_vaddr; unsigned long bootmap_pages; get_pfn_range_for_nid(nid, &start_pfn, &end_pfn); @@ -971,7 +974,6 @@ void __init do_init_bootmem(void) NODE_DATA(nid) = careful_allocation(nid, sizeof(struct pglist_data), SMP_CACHE_BYTES, end_pfn); - NODE_DATA(nid) = __va(NODE_DATA(nid)); memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); dbg("node %d\n", nid); @@ -988,14 +990,15 @@ void __init do_init_bootmem(void) dbg("end_paddr = %lx\n", end_pfn << PAGE_SHIFT); bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn); - bootmem_paddr = (unsigned long)careful_allocation(nid, + bootmem_vaddr = careful_allocation(nid, bootmap_pages << PAGE_SHIFT, PAGE_SIZE, end_pfn); - memset(__va(bootmem_paddr), 0, bootmap_pages << PAGE_SHIFT); + memset(bootmem_vaddr, 0, bootmap_pages << PAGE_SHIFT); - dbg("bootmap_paddr = %lx\n", bootmem_paddr); + dbg("bootmap_vaddr = %p\n", bootmem_vaddr); - init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT, + init_bootmem_node(NODE_DATA(nid), + __pa(bootmem_vaddr) >> PAGE_SHIFT, start_pfn, end_pfn); free_bootmem_with_active_regions(nid, end_pfn); |