 95f72d1ed4
			
		
	
	
	95f72d1ed4
	
	
	
		
			
			via following scripts
      FILES=$(find * -type f | grep -vE 'oprofile|[^K]config')
      sed -i \
        -e 's/lmb/memblock/g' \
        -e 's/LMB/MEMBLOCK/g' \
        $FILES
      for N in $(find . -name lmb.[ch]); do
        M=$(echo $N | sed 's/lmb/memblock/g')
        mv $N $M
      done
and remove some wrong change like lmbench and dlmb etc.
also move memblock.c from lib/ to mm/
Suggested-by: Ingo Molnar <mingo@elte.hu>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
		
	
			
		
			
				
	
	
		
			75 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * arch/sh/mm/numa.c - Multiple node support for SH machines
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|  *
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|  *  Copyright (C) 2007  Paul Mundt
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|  *
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|  * This file is subject to the terms and conditions of the GNU General Public
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|  * License.  See the file "COPYING" in the main directory of this archive
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|  * for more details.
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|  */
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| #include <linux/module.h>
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| #include <linux/bootmem.h>
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| #include <linux/memblock.h>
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| #include <linux/mm.h>
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| #include <linux/numa.h>
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| #include <linux/pfn.h>
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| #include <asm/sections.h>
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| 
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| struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
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| EXPORT_SYMBOL_GPL(node_data);
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| 
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| /*
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|  * On SH machines the conventional approach is to stash system RAM
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|  * in node 0, and other memory blocks in to node 1 and up, ordered by
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|  * latency. Each node's pgdat is node-local at the beginning of the node,
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|  * immediately followed by the node mem map.
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|  */
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| void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
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| {
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| 	unsigned long bootmap_pages;
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| 	unsigned long start_pfn, end_pfn;
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| 	unsigned long bootmem_paddr;
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| 
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| 	/* Don't allow bogus node assignment */
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| 	BUG_ON(nid > MAX_NUMNODES || nid <= 0);
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| 
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| 	start_pfn = start >> PAGE_SHIFT;
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| 	end_pfn = end >> PAGE_SHIFT;
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| 
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| 	pmb_bolt_mapping((unsigned long)__va(start), start, end - start,
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| 			 PAGE_KERNEL);
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| 
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| 	memblock_add(start, end - start);
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| 
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| 	__add_active_range(nid, start_pfn, end_pfn);
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| 
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| 	/* Node-local pgdat */
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| 	NODE_DATA(nid) = __va(memblock_alloc_base(sizeof(struct pglist_data),
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| 					     SMP_CACHE_BYTES, end));
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| 	memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
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| 
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| 	NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
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| 	NODE_DATA(nid)->node_start_pfn = start_pfn;
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| 	NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn;
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| 
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| 	/* Node-local bootmap */
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| 	bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
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| 	bootmem_paddr = memblock_alloc_base(bootmap_pages << PAGE_SHIFT,
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| 				       PAGE_SIZE, end);
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| 	init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT,
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| 			  start_pfn, end_pfn);
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| 
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| 	free_bootmem_with_active_regions(nid, end_pfn);
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| 
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| 	/* Reserve the pgdat and bootmap space with the bootmem allocator */
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| 	reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT,
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| 			     sizeof(struct pglist_data), BOOTMEM_DEFAULT);
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| 	reserve_bootmem_node(NODE_DATA(nid), bootmem_paddr,
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| 			     bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT);
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| 
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| 	/* It's up */
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| 	node_set_online(nid);
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| 
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| 	/* Kick sparsemem */
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| 	sparse_memory_present_with_active_regions(nid);
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| }
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