[PATCH 12/33] x86-64, NUMA: Kill {acpi|amd}_get_nodes()

Tejun Heo
2011-02-16T12:26:59Z

With common numa_nodes[], common code in numa_64.c can access it
directly. Copy directly and kill {acpi|amd}_get_nodes().

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Shaohui Zheng <shaohui.zheng@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/include/asm/acpi.h | 2 --
arch/x86/include/asm/amd_nb.h | 1 -
arch/x86/mm/amdtopology_64.c | 10 ----------
arch/x86/mm/numa_64.c | 23 ++++++++++-------------
arch/x86/mm/srat_64.c | 13 -------------
5 files changed, 10 insertions(+), 39 deletions(-)

diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 06fb786..446a5b9 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -185,8 +185,6 @@ struct bootnode;

#ifdef CONFIG_ACPI_NUMA
extern int acpi_numa;
-extern void acpi_get_nodes(struct bootnode *physnodes, unsigned long start,
- unsigned long end);
extern int x86_acpi_numa_init(void);
extern int acpi_scan_nodes(void);
#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h
index dc3c6e3..246cdc6 100644
--- a/arch/x86/include/asm/amd_nb.h
+++ b/arch/x86/include/asm/amd_nb.h
@@ -23,7 +23,6 @@ extern int amd_set_subcaches(int, int);

#ifdef CONFIG_NUMA_EMU
extern void amd_fake_nodes(const struct bootnode *nodes, int nr_nodes);
-extern void amd_get_nodes(struct bootnode *nodes);
#endif

struct amd_northbridge {
diff --git a/arch/x86/mm/amdtopology_64.c b/arch/x86/mm/amdtopology_64.c
index f049fa6..cf29527 100644
--- a/arch/x86/mm/amdtopology_64.c
+++ b/arch/x86/mm/amdtopology_64.c
@@ -204,16 +204,6 @@ static s16 fake_apicid_to_node[MAX_LOCAL_APIC] __initdata = {
[0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
};

-void __init amd_get_nodes(struct bootnode *physnodes)
-{
- int i;
-
- for_each_node_mask(i, mem_nodes_parsed) {
- physnodes[i].start = numa_nodes[i].start;
- physnodes[i].end = numa_nodes[i].end;
- }
-}
-
static int __init find_node_by_addr(unsigned long addr)
{
int ret = NUMA_NO_NODE;
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index a6b899f..82ee308 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -257,21 +257,18 @@ void __init numa_emu_cmdline(char *str)
cmdline = str;
}

-static int __init setup_physnodes(unsigned long start, unsigned long end,
- int acpi, int amd)
+static int __init setup_physnodes(unsigned long start, unsigned long end)
{
int ret = 0;
int i;

memset(physnodes, 0, sizeof(physnodes));
-#ifdef CONFIG_ACPI_NUMA
- if (acpi)
- acpi_get_nodes(physnodes, start, end);
-#endif
-#ifdef CONFIG_AMD_NUMA
- if (amd)
- amd_get_nodes(physnodes);
-#endif
+
+ for_each_node_mask(i, mem_nodes_parsed) {
+ physnodes[i].start = numa_nodes[i].start;
+ physnodes[i].end = numa_nodes[i].end;
+ }
+
/*
* Basic sanity checking on the physical node map: there may be errors
* if the SRAT or AMD code incorrectly reported the topology or the mem=
@@ -594,7 +591,7 @@ static int __init numa_emulation(unsigned long start_pfn,
init_memory_mapping_high();
for_each_node_mask(i, node_possible_map)
setup_node_bootmem(i, nodes[i].start, nodes[i].end);
- setup_physnodes(addr, max_addr, acpi, amd);
+ setup_physnodes(addr, max_addr);
fake_physnodes(acpi, amd, num_nodes);
numa_init_array();
return 0;
@@ -666,10 +663,10 @@ void __init initmem_init(void)
cutoff_node(j, 0, max_pfn << PAGE_SHIFT);

#ifdef CONFIG_NUMA_EMU
- setup_physnodes(0, max_pfn << PAGE_SHIFT, i == 0, i == 1);
+ setup_physnodes(0, max_pfn << PAGE_SHIFT);
if (cmdline && !numa_emulation(0, max_pfn, i == 0, i == 1))
return;
- setup_physnodes(0, max_pfn << PAGE_SHIFT, i == 0, i == 1);
+ setup_physnodes(0, max_pfn << PAGE_SHIFT);
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
#endif
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index bfa4a6a..82b1087 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -323,19 +323,6 @@ static int __init nodes_cover_memory(const struct bootnode *nodes)

void __init acpi_numa_arch_fixup(void) {}

-#ifdef CONFIG_NUMA_EMU
-void __init acpi_get_nodes(struct bootnode *physnodes, unsigned long start,
- unsigned long end)
-{
- int i;
-
- for_each_node_mask(i, mem_nodes_parsed) {
- physnodes[i].start = numa_nodes[i].start;
- physnodes[i].end = numa_nodes[i].end;
- }
-}
-#endif /* CONFIG_NUMA_EMU */
-
int __init x86_acpi_numa_init(void)
{
int ret;
--
1.7.1