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Merge x86-64 update from Andi

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Linus Torvalds
2005-11-14 19:56:02 -08:00
parent 0174f72f84 d3ee871e63
commit 4060994c3e
82 changed files with 1484 additions and 1100 deletions
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20
include/linux/mmzone.h
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@ -71,10 +71,11 @@ struct per_cpu_pageset {
#endif
#define ZONE_DMA 0
#define ZONE_NORMAL 1
#define ZONE_HIGHMEM 2
#define ZONE_DMA32 1
#define ZONE_NORMAL 2
#define ZONE_HIGHMEM 3
#define MAX_NR_ZONES 3 /* Sync this with ZONES_SHIFT */
#define MAX_NR_ZONES 4 /* Sync this with ZONES_SHIFT */
#define ZONES_SHIFT 2 /* ceil(log2(MAX_NR_ZONES)) */
@ -108,9 +109,10 @@ struct per_cpu_pageset {
/*
* On machines where it is needed (eg PCs) we divide physical memory
* into multiple physical zones. On a PC we have 3 zones:
* into multiple physical zones. On a PC we have 4 zones:
*
* ZONE_DMA < 16 MB ISA DMA capable memory
* ZONE_DMA32 0 MB Empty
* ZONE_NORMAL 16-896 MB direct mapped by the kernel
* ZONE_HIGHMEM > 896 MB only page cache and user processes
*/
@ -433,7 +435,9 @@ int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int, struct file *,
#include <linux/topology.h>
/* Returns the number of the current Node. */
#ifndef numa_node_id
#define numa_node_id() (cpu_to_node(raw_smp_processor_id()))
#endif
#ifndef CONFIG_NEED_MULTIPLE_NODES
@ -453,12 +457,12 @@ extern struct pglist_data contig_page_data;
#include <asm/sparsemem.h>
#endif
#if BITS_PER_LONG == 32 || defined(ARCH_HAS_ATOMIC_UNSIGNED)
#if BITS_PER_LONG == 32
/*
* with 32 bit page->flags field, we reserve 8 bits for node/zone info.
* there are 3 zones (2 bits) and this leaves 8-2=6 bits for nodes.
* with 32 bit page->flags field, we reserve 9 bits for node/zone info.
* there are 4 zones (3 bits) and this leaves 9-3=6 bits for nodes.
*/
#define FLAGS_RESERVED 8
#define FLAGS_RESERVED 9
#elif BITS_PER_LONG == 64
/*