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authorMichal Hocko <mhocko@suse.com>2017-07-27 16:33:26 +0200
committerTakashi Iwai <tiwai@suse.de>2017-08-07 20:24:48 +0200
commit76e451784bdfcebca11fb38fc9ea4c247e287536 (patch)
tree8b318ead6dee0092a5b6b31ae84b0e5afb4de979
parent4b3e24d946f32fe3aa28eafb1cfd265fd801cc10 (diff)
Revert "powerpc/numa: Fix percpu allocations to be NUMA aware"rpm-4.4.74-92.35
(bsc#1048914). suse-commit: c0fdc479df2fef96d60034c57bc4fb6b4474b13f
-rw-r--r--arch/powerpc/include/asm/topology.h14
-rw-r--r--arch/powerpc/kernel/setup_64.c4
2 files changed, 2 insertions, 16 deletions
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 329771559cbb..8b3b46b7b0f2 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -44,22 +44,8 @@ extern void __init dump_numa_cpu_topology(void);
extern int sysfs_add_device_to_node(struct device *dev, int nid);
extern void sysfs_remove_device_from_node(struct device *dev, int nid);
-static inline int early_cpu_to_node(int cpu)
-{
- int nid;
-
- nid = numa_cpu_lookup_table[cpu];
-
- /*
- * Fall back to node 0 if nid is unset (it should be, except bugs).
- * This allows callers to safely do NODE_DATA(early_cpu_to_node(cpu)).
- */
- return (nid < 0) ? 0 : nid;
-}
#else
-static inline int early_cpu_to_node(int cpu) { return 0; }
-
static inline void dump_numa_cpu_topology(void) {}
static inline int sysfs_add_device_to_node(struct device *dev, int nid)
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 3491a1de1b83..20af6c897eb9 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -754,7 +754,7 @@ void __init setup_arch(char **cmdline_p)
static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
{
- return __alloc_bootmem_node(NODE_DATA(early_cpu_to_node(cpu)), size, align,
+ return __alloc_bootmem_node(NODE_DATA(cpu_to_node(cpu)), size, align,
__pa(MAX_DMA_ADDRESS));
}
@@ -765,7 +765,7 @@ static void __init pcpu_fc_free(void *ptr, size_t size)
static int pcpu_cpu_distance(unsigned int from, unsigned int to)
{
- if (early_cpu_to_node(from) == early_cpu_to_node(to))
+ if (cpu_to_node(from) == cpu_to_node(to))
return LOCAL_DISTANCE;
else
return REMOTE_DISTANCE;