[PATCH RFC 2/5] mm: percpu: fix variable type of cpu

From: Rongwei Wang
Date: Wed Oct 11 2023 - 22:49:23 EST


Almost all places declare 'cpu' as 'unsigned int'
type, but early_cpu_to_nod() not. So correct it
in this patch.

Signed-off-by: Rongwei Wang <rongwei.wang@xxxxxxxxxxxxxxxxx>
---
drivers/base/arch_numa.c | 2 +-
include/linux/percpu.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c
index eaa31e567d1e..db0bb8b8fd67 100644
--- a/drivers/base/arch_numa.c
+++ b/drivers/base/arch_numa.c
@@ -144,7 +144,7 @@ void __init early_map_cpu_to_node(unsigned int cpu, int nid)
unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
EXPORT_SYMBOL(__per_cpu_offset);

-static int __init early_cpu_to_node(int cpu)
+static int __init early_cpu_to_node(unsigned int cpu)
{
return cpu_to_node_map[cpu];
}
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 68fac2e7cbe6..4aee8400af54 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -100,7 +100,7 @@ extern const char * const pcpu_fc_names[PCPU_FC_NR];

extern enum pcpu_fc pcpu_chosen_fc;

-typedef int (pcpu_fc_cpu_to_node_fn_t)(int cpu);
+typedef int (pcpu_fc_cpu_to_node_fn_t)(unsigned int cpu);
typedef int (pcpu_fc_cpu_distance_fn_t)(unsigned int from, unsigned int to);

extern struct pcpu_alloc_info * __init pcpu_alloc_alloc_info(int nr_groups,
--
2.32.0.3.gf3a3e56d6