mm: move bootmem descriptors definition to a single place

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>

1 files changed, 5 insertions, 6 deletions

diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 544dc420c65e..2fcf8464331e 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -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;