linux-kernel - [patch -mm] acpi: remove NID

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Message-ID: <alpine.DEB.2.00.0910271442250.30270@chino.kir.corp.google.com>
Date:	Tue, 27 Oct 2009 14:44:14 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Lee Schermerhorn <lee.schermerhorn@...com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-numa@...r.kernel.org,
	Len Brown <lenb@...nel.org>,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: [patch -mm] acpi: remove NID_INVAL

NUMA_NO_NODE has been exported globally and thus it can replace NID_INVAL
in the acpi code.

Also removes the unused acpi_unmap_pxm_to_node() function.

Cc: Len Brown <lenb@...nel.org>
Cc: Cyrill Gorcunov <gorcunov@...nvz.org>
Cc: Lee Schermerhorn <Lee.Schermerhorn@...com>
Signed-off-by: David Rientjes <rientjes@...gle.com>
---
 Depends on Lee Schermerhorn's hugetlb patchset in mmotm-10132113.

 drivers/acpi/numa.c |   23 +++++++----------------
 1 files changed, 7 insertions(+), 16 deletions(-)

diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -28,6 +28,7 @@
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/acpi.h>
+#include <linux/numa.h>
 #include <acpi/acpi_bus.h>
 
 #define PREFIX "ACPI: "
@@ -39,15 +40,15 @@ ACPI_MODULE_NAME("numa");
 static nodemask_t nodes_found_map = NODE_MASK_NONE;
 
 /* maps to convert between proximity domain and logical node ID */
-static int pxm_to_node_map[MAX_PXM_DOMAINS]
-				= { [0 ... MAX_PXM_DOMAINS - 1] = NID_INVAL };
+static int pxm_to_node_map[MAX_PXM_DOMAINS]				
+			= { [0 ... MAX_PXM_DOMAINS - 1] = NUMA_NO_NODE };
 static int node_to_pxm_map[MAX_NUMNODES]
-				= { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
+			= { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
 
 int pxm_to_node(int pxm)
 {
 	if (pxm < 0)
-		return NID_INVAL;
+		return NUMA_NO_NODE;
 	return pxm_to_node_map[pxm];
 }
 
@@ -68,9 +69,9 @@ int acpi_map_pxm_to_node(int pxm)
 {
 	int node = pxm_to_node_map[pxm];
 
-	if (node < 0){
+	if (node < 0) {
 		if (nodes_weight(nodes_found_map) >= MAX_NUMNODES)
-			return NID_INVAL;
+			return NUMA_NO_NODE;
 		node = first_unset_node(nodes_found_map);
 		__acpi_map_pxm_to_node(pxm, node);
 		node_set(node, nodes_found_map);
@@ -79,16 +80,6 @@ int acpi_map_pxm_to_node(int pxm)
 	return node;
 }
 
-#if 0
-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);
-}
-#endif  /*  0  */
-
 static void __init
 acpi_table_print_srat_entry(struct acpi_subtable_header *header)
 {
--
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