linux-kernel - [PATCH 16/33] x86-64, NUMA: Kill {acpi|amd|dummy}_scan

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Date:	Wed, 16 Feb 2011 13:20:50 +0100
From:	Tejun Heo <tj@...nel.org>
To:	linux-kernel@...r.kernel.org, x86@...nel.org, yinghai@...nel.org,
	brgerst@...il.com, gorcunov@...il.com, shaohui.zheng@...el.com,
	rientjes@...gle.com, mingo@...e.hu, hpa@...ux.intel.com,
	ankita@...ibm.com
Cc:	Tejun Heo <tj@...nel.org>
Subject: [PATCH 16/33] x86-64, NUMA: Kill {acpi|amd|dummy}_scan_nodes()

They are empty now.  Kill them.

Signed-off-by: Tejun Heo <tj@...nel.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Cyrill Gorcunov <gorcunov@...il.com>
Cc: Shaohui Zheng <shaohui.zheng@...el.com>
Cc: David Rientjes <rientjes@...gle.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/include/asm/acpi.h   |    1 -
 arch/x86/include/asm/amd_nb.h |    1 -
 arch/x86/mm/amdtopology_64.c  |    5 -----
 arch/x86/mm/numa_64.c         |   11 -----------
 arch/x86/mm/srat_64.c         |    8 --------
 5 files changed, 0 insertions(+), 26 deletions(-)

diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 12bd1fd..cfa3d5c 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -186,7 +186,6 @@ struct bootnode;
 #ifdef CONFIG_ACPI_NUMA
 extern int acpi_numa;
 extern int x86_acpi_numa_init(void);
-extern int acpi_scan_nodes(void);
 
 #ifdef CONFIG_NUMA_EMU
 extern void acpi_fake_nodes(const struct bootnode *fake_nodes,
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h
index 246cdc6..384d118 100644
--- a/arch/x86/include/asm/amd_nb.h
+++ b/arch/x86/include/asm/amd_nb.h
@@ -17,7 +17,6 @@ extern int early_is_amd_nb(u32 value);
 extern int amd_cache_northbridges(void);
 extern void amd_flush_garts(void);
 extern int amd_numa_init(void);
-extern int amd_scan_nodes(void);
 extern int amd_get_subcaches(int);
 extern int amd_set_subcaches(int, int);
 
diff --git a/arch/x86/mm/amdtopology_64.c b/arch/x86/mm/amdtopology_64.c
index 9c9f46a..90cf297 100644
--- a/arch/x86/mm/amdtopology_64.c
+++ b/arch/x86/mm/amdtopology_64.c
@@ -259,8 +259,3 @@ void __init amd_fake_nodes(const struct bootnode *nodes, int nr_nodes)
 	memcpy(__apicid_to_node, fake_apicid_to_node, sizeof(__apicid_to_node));
 }
 #endif /* CONFIG_NUMA_EMU */
-
-int __init amd_scan_nodes(void)
-{
-	return 0;
-}
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 748c6b5..e211c00 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -772,25 +772,17 @@ static int dummy_numa_init(void)
 	return 0;
 }
 
-static int dummy_scan_nodes(void)
-{
-	return 0;
-}
-
 void __init initmem_init(void)
 {
 	int (*numa_init[])(void) = { [2] = dummy_numa_init };
-	int (*scan_nodes[])(void) = { [2] = dummy_scan_nodes };
 	int i, j;
 
 	if (!numa_off) {
 #ifdef CONFIG_ACPI_NUMA
 		numa_init[0] = x86_acpi_numa_init;
-		scan_nodes[0] = acpi_scan_nodes;
 #endif
 #ifdef CONFIG_AMD_NUMA
 		numa_init[1] = amd_numa_init;
-		scan_nodes[1] = amd_scan_nodes;
 #endif
 	}
 
@@ -834,9 +826,6 @@ void __init initmem_init(void)
 		if (numa_register_memblks() < 0)
 			continue;
 
-		if (scan_nodes[i]() < 0)
-			continue;
-
 		for (j = 0; j < nr_cpu_ids; j++) {
 			int nid = early_cpu_to_node(j);
 
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 4a2c33b..d56eff8 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -270,14 +270,6 @@ int __init x86_acpi_numa_init(void)
 	return srat_disabled() ? -EINVAL : 0;
 }
 
-/* Use the information discovered above to actually set up the nodes. */
-int __init acpi_scan_nodes(void)
-{
-	if (acpi_numa <= 0)
-		return -1;
-	return 0;
-}
-
 #ifdef CONFIG_NUMA_EMU
 static int fake_node_to_pxm_map[MAX_NUMNODES] __initdata = {
 	[0 ... MAX_NUMNODES-1] = PXM_INVAL
-- 
1.7.1

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