mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-18 09:44:18 +08:00
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>
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
|
|
* arch/sh/mm/numa.c - Multiple node support for SH machines
|
|
*
|
|
* Copyright (C) 2007 Paul Mundt
|
|
*
|
|
* 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/module.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);
|
|
|
|
/*
|
|
* On SH 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;
|
|
unsigned long start_pfn, end_pfn;
|
|
unsigned long bootmem_paddr;
|
|
|
|
/* Don't allow bogus node assignment */
|
|
BUG_ON(nid > MAX_NUMNODES || nid <= 0);
|
|
|
|
start_pfn = start >> PAGE_SHIFT;
|
|
end_pfn = end >> PAGE_SHIFT;
|
|
|
|
pmb_bolt_mapping((unsigned long)__va(start), start, end - start,
|
|
PAGE_KERNEL);
|
|
|
|
memblock_add(start, end - start);
|
|
|
|
__add_active_range(nid, start_pfn, end_pfn);
|
|
|
|
/* Node-local pgdat */
|
|
NODE_DATA(nid) = __va(memblock_alloc_base(sizeof(struct pglist_data),
|
|
SMP_CACHE_BYTES, end));
|
|
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), start_pfn << PAGE_SHIFT,
|
|
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);
|
|
}
|