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Diffstat (limited to 'arch/metag/mm/numa.c')
-rw-r--r-- | arch/metag/mm/numa.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/arch/metag/mm/numa.c b/arch/metag/mm/numa.c deleted file mode 100644 index 67b46c295072..000000000000 --- a/arch/metag/mm/numa.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Multiple memory node support for Meta machines - * - * Copyright (C) 2007 Paul Mundt - * Copyright (C) 2010 Imagination Technologies Ltd. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/export.h> -#include <linux/bootmem.h> -#include <linux/memblock.h> -#include <linux/mm.h> -#include <linux/numa.h> -#include <linux/pfn.h> -#include <asm/sections.h> - -struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; -EXPORT_SYMBOL_GPL(node_data); - -extern char _heap_start[]; - -/* - * On Meta machines the conventional approach is to stash system RAM - * in node 0, and other memory blocks in to node 1 and up, ordered by - * latency. Each node's pgdat is node-local at the beginning of the node, - * immediately followed by the node mem map. - */ -void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) -{ - unsigned long bootmap_pages, bootmem_paddr; - unsigned long start_pfn, end_pfn; - unsigned long pgdat_paddr; - - /* Don't allow bogus node assignment */ - BUG_ON(nid >= MAX_NUMNODES || nid <= 0); - - start_pfn = start >> PAGE_SHIFT; - end_pfn = end >> PAGE_SHIFT; - - memblock_add(start, end - start); - - memblock_set_node(PFN_PHYS(start_pfn), - PFN_PHYS(end_pfn - start_pfn), - &memblock.memory, nid); - - /* Node-local pgdat */ - pgdat_paddr = memblock_alloc_base(sizeof(struct pglist_data), - SMP_CACHE_BYTES, end); - NODE_DATA(nid) = __va(pgdat_paddr); - memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); - - NODE_DATA(nid)->bdata = &bootmem_node_data[nid]; - NODE_DATA(nid)->node_start_pfn = start_pfn; - NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; - - /* Node-local bootmap */ - bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn); - bootmem_paddr = memblock_alloc_base(bootmap_pages << PAGE_SHIFT, - PAGE_SIZE, end); - init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT, - start_pfn, end_pfn); - - free_bootmem_with_active_regions(nid, end_pfn); - - /* Reserve the pgdat and bootmap space with the bootmem allocator */ - reserve_bootmem_node(NODE_DATA(nid), pgdat_paddr & PAGE_MASK, - sizeof(struct pglist_data), BOOTMEM_DEFAULT); - reserve_bootmem_node(NODE_DATA(nid), bootmem_paddr, - bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT); - - /* It's up */ - node_set_online(nid); - - /* Kick sparsemem */ - sparse_memory_present_with_active_regions(nid); -} - -void __init __weak soc_mem_setup(void) -{ -} |