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numa: ia64: use generic percpu var numa_node_id() implementation

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ia64:  Use generic percpu implementation of numa_node_id()
   + intialize per cpu 'numa_node'
   + remove ia64 cpu_to_node() macro;  use generic
   + define CONFIG_USE_PERCPU_NUMA_NODE_ID when NUMA configured

Signed-off-by: Lee Schermerhorn <[email protected]>
Reviewed-by: Christoph Lameter <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Eric Whitney <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Lee Schermerhorn authored and Linus Torvalds committed 2010-05-27 09:12:57 -07:00
1 parent e534c7c5f8
commit 3bccd99627
3 files changed
+10 -5
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arch/ia64/Kconfig
+4
View File
@@ -498,6 +498,10 @@ config HAVE_ARCH_NODEDATA_EXTENSION
def_bool y
depends on NUMA
config USE_PERCPU_NUMA_NODE_ID
def_bool y
depends on NUMA
config ARCH_PROC_KCORE_TEXT
def_bool y
depends on PROC_KCORE
arch/ia64/include/asm/topology.h
-5
View File
@@ -25,11 +25,6 @@
*/
#define RECLAIM_DISTANCE 15
/*
* Returns the number of the node containing CPU 'cpu'
*/
#define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu])
/*
* Returns a bitmask of CPUs on Node 'node'.
*/
arch/ia64/kernel/smpboot.c
+6
View File
@@ -390,6 +390,11 @@ smp_callin (void)
fix_b0_for_bsp();
/*
* numa_node_id() works after this.
*/
set_numa_node(cpu_to_node_map[cpuid]);
ipi_call_lock_irq();
spin_lock(&vector_lock);
/* Setup the per cpu irq handling data structures */
@@ -632,6 +637,7 @@ void __devinit smp_prepare_boot_cpu(void)
{
cpu_set(smp_processor_id(), cpu_online_map);
cpu_set(smp_processor_id(), cpu_callin_map);
set_numa_node(cpu_to_node_map[smp_processor_id()]);
per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
paravirt_post_smp_prepare_boot_cpu();
}