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[PATCH] Unify pxm_to_node() and node_to_pxm()

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Consolidate the various arch-specific implementations of pxm_to_node() and
node_to_pxm() into a single generic version.

Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Andi Kleen <ak@muc.de>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Yasunori Goto
2006-06-23 02:03:19 -07:00
committed by Linus Torvalds
parent d6277db4ab
commit 762834e8bf
12 changed files with 102 additions and 71 deletions
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48
drivers/acpi/numa.c
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@@ -36,12 +36,60 @@
#define _COMPONENT ACPI_NUMA
ACPI_MODULE_NAME("numa")
static nodemask_t nodes_found_map = NODE_MASK_NONE;
#define PXM_INVAL -1
#define NID_INVAL -1
/* maps to convert between proximity domain and logical node ID */
int __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS]
= { [0 ... MAX_PXM_DOMAINS - 1] = NID_INVAL };
int __cpuinitdata node_to_pxm_map[MAX_NUMNODES]
= { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
extern int __init acpi_table_parse_madt_family(enum acpi_table_id id,
unsigned long madt_size,
int entry_id,
acpi_madt_entry_handler handler,
unsigned int max_entries);
int __cpuinit pxm_to_node(int pxm)
{
if (pxm < 0)
return NID_INVAL;
return pxm_to_node_map[pxm];
}
int __cpuinit node_to_pxm(int node)
{
if (node < 0)
return PXM_INVAL;
return node_to_pxm_map[node];
}
int __cpuinit acpi_map_pxm_to_node(int pxm)
{
int node = pxm_to_node_map[pxm];
if (node < 0){
if (nodes_weight(nodes_found_map) >= MAX_NUMNODES)
return NID_INVAL;
node = first_unset_node(nodes_found_map);
pxm_to_node_map[pxm] = node;
node_to_pxm_map[node] = pxm;
node_set(node, nodes_found_map);
}
return node;
}
void __cpuinit acpi_unmap_pxm_to_node(int node)
{
int pxm = node_to_pxm_map[node];
pxm_to_node_map[pxm] = NID_INVAL;
node_to_pxm_map[node] = PXM_INVAL;
node_clear(node, nodes_found_map);
}
void __init acpi_table_print_srat_entry(acpi_table_entry_header * header)
{