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mm: move bootmem descriptors definition to a single place

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There are a lot of places that define either a single bootmem descriptor or an
array of them.  Use only one central array with MAX_NUMNODES items instead.

Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Johannes Weiner 2008-07-23 21:26:55 -07:00 committed by Linus Torvalds
parent 8b05c7e6e1
commit b61bfa3c46
15 changed files with 40 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/alpha/mm/numa.c
View File

@ -19,7 +19,6 @@
#include <asm/pgalloc.h>
pg_data_t node_data[MAX_NUMNODES];
bootmem_data_t node_bdata[MAX_NUMNODES];
EXPORT_SYMBOL(node_data);
#undef DEBUG_DISCONTIG
@ -141,7 +140,7 @@ setup_memory_node(int nid, void *kernel_end)
printk(" not enough mem to reserve NODE_DATA");
return;
}
NODE_DATA(nid)->bdata = &node_bdata[nid];
NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
printk(" Detected node memory: start %8lu, end %8lu\n",
node_min_pfn, node_max_pfn);
@ -304,8 +303,9 @@ void __init paging_init(void)
dma_local_pfn = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
for_each_online_node(nid) {
unsigned long start_pfn = node_bdata[nid].node_boot_start >> PAGE_SHIFT;
unsigned long end_pfn = node_bdata[nid].node_low_pfn;
bootmem_data_t *bdata = &bootmem_node_data[nid];
unsigned long start_pfn = bdata->node_boot_start >> PAGE_SHIFT;
unsigned long end_pfn = bdata->node_low_pfn;
if (dma_local_pfn >= end_pfn - start_pfn)
zones_size[ZONE_DMA] = end_pfn - start_pfn;

34
arch/arm/mm/discontig.c
View File

@ -21,26 +21,24 @@
* Our node_data structure for discontiguous memory.
*/
static bootmem_data_t node_bootmem_data[MAX_NUMNODES];
pg_data_t discontig_node_data[MAX_NUMNODES] = {
{ .bdata = &node_bootmem_data[0] },
{ .bdata = &node_bootmem_data[1] },
{ .bdata = &node_bootmem_data[2] },
{ .bdata = &node_bootmem_data[3] },
{ .bdata = &bootmem_node_data[0] },
{ .bdata = &bootmem_node_data[1] },
{ .bdata = &bootmem_node_data[2] },
{ .bdata = &bootmem_node_data[3] },
#if MAX_NUMNODES == 16
{ .bdata = &node_bootmem_data[4] },
{ .bdata = &node_bootmem_data[5] },
{ .bdata = &node_bootmem_data[6] },
{ .bdata = &node_bootmem_data[7] },
{ .bdata = &node_bootmem_data[8] },
{ .bdata = &node_bootmem_data[9] },
{ .bdata = &node_bootmem_data[10] },
{ .bdata = &node_bootmem_data[11] },
{ .bdata = &node_bootmem_data[12] },
{ .bdata = &node_bootmem_data[13] },
{ .bdata = &node_bootmem_data[14] },
{ .bdata = &node_bootmem_data[15] },
{ .bdata = &bootmem_node_data[4] },
{ .bdata = &bootmem_node_data[5] },
{ .bdata = &bootmem_node_data[6] },
{ .bdata = &bootmem_node_data[7] },
{ .bdata = &bootmem_node_data[8] },
{ .bdata = &bootmem_node_data[9] },
{ .bdata = &bootmem_node_data[10] },
{ .bdata = &bootmem_node_data[11] },
{ .bdata = &bootmem_node_data[12] },
{ .bdata = &bootmem_node_data[13] },
{ .bdata = &bootmem_node_data[14] },
{ .bdata = &bootmem_node_data[15] },
#endif
};

11
arch/ia64/mm/discontig.c
View File

@ -36,7 +36,6 @@ struct early_node_data {
struct ia64_node_data *node_data;
unsigned long pernode_addr;
unsigned long pernode_size;
struct bootmem_data bootmem_data;
unsigned long num_physpages;
#ifdef CONFIG_ZONE_DMA
unsigned long num_dma_physpages;
@ -76,7 +75,7 @@ static int __init build_node_maps(unsigned long start, unsigned long len,
int node)
{
unsigned long cstart, epfn, end = start + len;
struct bootmem_data *bdp = &mem_data[node].bootmem_data;
struct bootmem_data *bdp = &bootmem_node_data[node];
epfn = GRANULEROUNDUP(end) >> PAGE_SHIFT;
cstart = GRANULEROUNDDOWN(start);
@ -167,7 +166,7 @@ static void __init fill_pernode(int node, unsigned long pernode,
{
void *cpu_data;
int cpus = early_nr_cpus_node(node);
struct bootmem_data *bdp = &mem_data[node].bootmem_data;
struct bootmem_data *bdp = &bootmem_node_data[node];
mem_data[node].pernode_addr = pernode;
mem_data[node].pernode_size = pernodesize;
@ -224,7 +223,7 @@ static int __init find_pernode_space(unsigned long start, unsigned long len,
{
unsigned long epfn;
unsigned long pernodesize = 0, pernode, pages, mapsize;
struct bootmem_data *bdp = &mem_data[node].bootmem_data;
struct bootmem_data *bdp = &bootmem_node_data[node];
epfn = (start + len) >> PAGE_SHIFT;
@ -440,7 +439,7 @@ void __init find_memory(void)
efi_memmap_walk(find_max_min_low_pfn, NULL);
for_each_online_node(node)
if (mem_data[node].bootmem_data.node_low_pfn) {
if (bootmem_node_data[node].node_low_pfn) {
node_clear(node, memory_less_mask);
mem_data[node].min_pfn = ~0UL;
}
@ -460,7 +459,7 @@ void __init find_memory(void)
else if (node_isset(node, memory_less_mask))
continue;
bdp = &mem_data[node].bootmem_data;
bdp = &bootmem_node_data[node];
pernode = mem_data[node].pernode_addr;
pernodesize = mem_data[node].pernode_size;
map = pernode + pernodesize;

4
arch/m32r/mm/discontig.c
View File

@ -20,7 +20,6 @@ extern char _end[];
struct pglist_data *node_data[MAX_NUMNODES];
EXPORT_SYMBOL(node_data);
static bootmem_data_t node_bdata[MAX_NUMNODES] __initdata;
pg_data_t m32r_node_data[MAX_NUMNODES];
@ -81,7 +80,7 @@ unsigned long __init setup_memory(void)
for_each_online_node(nid) {
mp = &mem_prof[nid];
NODE_DATA(nid)=(pg_data_t *)&m32r_node_data[nid];
NODE_DATA(nid)->bdata = &node_bdata[nid];
NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
min_pfn = mp->start_pfn;
max_pfn = mp->start_pfn + mp->pages;
bootmap_size = init_bootmem_node(NODE_DATA(nid), mp->free_pfn,
@ -163,4 +162,3 @@ unsigned long __init zone_sizes_init(void)
return holes;
}

4
arch/m68k/mm/init.c
View File

@ -32,8 +32,6 @@
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
static bootmem_data_t __initdata bootmem_data[MAX_NUMNODES];
pg_data_t pg_data_map[MAX_NUMNODES];
EXPORT_SYMBOL(pg_data_map);
@ -58,7 +56,7 @@ void __init m68k_setup_node(int node)
pg_data_table[i] = pg_data_map + node;
}
#endif
pg_data_map[node].bdata = bootmem_data + node;
pg_data_map[node].bdata = bootmem_node_data + node;
node_set_online(node);
}

4
arch/mips/sgi-ip27/ip27-memory.c
View File

@ -33,8 +33,6 @@
#define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT)
#define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT)
static struct bootmem_data __initdata plat_node_bdata[MAX_COMPACT_NODES];
struct node_data *__node_data[MAX_COMPACT_NODES];
EXPORT_SYMBOL(__node_data);
@ -403,7 +401,7 @@ static void __init node_mem_init(cnodeid_t node)
*/
__node_data[node] = __va(slot_freepfn << PAGE_SHIFT);
NODE_DATA(node)->bdata = &plat_node_bdata[node];
NODE_DATA(node)->bdata = &bootmem_node_data[node];
NODE_DATA(node)->node_start_pfn = start_pfn;
NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn;

3
arch/parisc/mm/init.c
View File

@ -36,7 +36,6 @@ extern int data_start;
#ifdef CONFIG_DISCONTIGMEM
struct node_map_data node_data[MAX_NUMNODES] __read_mostly;
bootmem_data_t bmem_data[MAX_NUMNODES] __read_mostly;
unsigned char pfnnid_map[PFNNID_MAP_MAX] __read_mostly;
#endif
@ -262,7 +261,7 @@ static void __init setup_bootmem(void)
#ifdef CONFIG_DISCONTIGMEM
for (i = 0; i < MAX_PHYSMEM_RANGES; i++) {
memset(NODE_DATA(i), 0, sizeof(pg_data_t));
NODE_DATA(i)->bdata = &bmem_data[i];
NODE_DATA(i)->bdata = &bootmem_node_data[i];
}
memset(pfnnid_map, 0xff, sizeof(pfnnid_map));

3
arch/powerpc/mm/numa.c
View File

@ -39,7 +39,6 @@ EXPORT_SYMBOL(numa_cpu_lookup_table);
EXPORT_SYMBOL(numa_cpumask_lookup_table);
EXPORT_SYMBOL(node_data);
static bootmem_data_t __initdata plat_node_bdata[MAX_NUMNODES];
static int min_common_depth;
static int n_mem_addr_cells, n_mem_size_cells;
@ -816,7 +815,7 @@ void __init do_init_bootmem(void)
dbg("node %d\n", nid);
dbg("NODE_DATA() = %p\n", NODE_DATA(nid));
NODE_DATA(nid)->bdata = &plat_node_bdata[nid];
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;

5
arch/sh/mm/numa.c
View File

@ -14,7 +14,6 @@
#include <linux/pfn.h>
#include <asm/sections.h>
static bootmem_data_t plat_node_bdata[MAX_NUMNODES];
struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL_GPL(node_data);
@ -35,7 +34,7 @@ void __init setup_memory(void)
NODE_DATA(0) = pfn_to_kaddr(free_pfn);
memset(NODE_DATA(0), 0, sizeof(struct pglist_data));
free_pfn += PFN_UP(sizeof(struct pglist_data));
NODE_DATA(0)->bdata = &plat_node_bdata[0];
NODE_DATA(0)->bdata = &bootmem_node_data[0];
/* Set up node 0 */
setup_bootmem_allocator(free_pfn);
@ -66,7 +65,7 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
free_pfn += PFN_UP(sizeof(struct pglist_data));
memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
NODE_DATA(nid)->bdata = &plat_node_bdata[nid];
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;

3
arch/sparc64/mm/init.c
View File

@ -788,7 +788,6 @@ int numa_cpu_lookup_table[NR_CPUS];
cpumask_t numa_cpumask_lookup_table[MAX_NUMNODES];
#ifdef CONFIG_NEED_MULTIPLE_NODES
static bootmem_data_t plat_node_bdata[MAX_NUMNODES];
struct mdesc_mblock {
u64 base;
@ -871,7 +870,7 @@ static void __init allocate_node_data(int nid)
NODE_DATA(nid) = __va(paddr);
memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
NODE_DATA(nid)->bdata = &plat_node_bdata[nid];
NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
#endif
p = NODE_DATA(nid);

3
arch/x86/mm/discontig_32.c
View File

@ -42,7 +42,6 @@
struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
static bootmem_data_t node0_bdata;
/*
* numa interface - we expect the numa architecture specific code to have
@ -385,7 +384,7 @@ void __init initmem_init(unsigned long start_pfn,
for_each_online_node(nid)
memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
NODE_DATA(0)->bdata = &node0_bdata;
NODE_DATA(0)->bdata = &bootmem_node_data[0];
setup_bootmem_allocator();
}

4
arch/x86/mm/numa_64.c
View File

@ -23,8 +23,6 @@
struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
static bootmem_data_t plat_node_bdata[MAX_NUMNODES];
struct memnode memnode;
s16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = {
@ -198,7 +196,7 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
nodedata_phys + pgdat_size - 1);
memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t));
NODE_DATA(nodeid)->bdata = &plat_node_bdata[nodeid];
NODE_DATA(nodeid)->bdata = &bootmem_node_data[nodeid];
NODE_DATA(nodeid)->node_start_pfn = start_pfn;
NODE_DATA(nodeid)->node_spanned_pages = last_pfn - start_pfn;

2
include/linux/bootmem.h
View File

@ -38,6 +38,8 @@ typedef struct bootmem_data {
struct list_head list;
} bootmem_data_t;
extern bootmem_data_t bootmem_node_data[];
extern unsigned long bootmem_bootmap_pages(unsigned long);
extern unsigned long init_bootmem(unsigned long addr, unsigned long memend);
extern void free_bootmem(unsigned long addr, unsigned long size);

2
mm/bootmem.c
View File

@ -36,6 +36,8 @@ static LIST_HEAD(bdata_list);
unsigned long saved_max_pfn;
#endif
bootmem_data_t bootmem_node_data[MAX_NUMNODES] __initdata;
/* return the number of _pages_ that will be allocated for the boot bitmap */
unsigned long __init bootmem_bootmap_pages(unsigned long pages)
{

4
mm/page_alloc.c
View File

@ -4040,9 +4040,7 @@ void __init set_dma_reserve(unsigned long new_dma_reserve)
}
#ifndef CONFIG_NEED_MULTIPLE_NODES
static bootmem_data_t contig_bootmem_data;
struct pglist_data contig_page_data = { .bdata = &contig_bootmem_data };
struct pglist_data contig_page_data = { .bdata = &bootmem_node_data[0] };
EXPORT_SYMBOL(contig_page_data);
#endif