Abstract `kmem_put_memory_types()` into `mt_put_memory_types()` to
accommodate various memory types and enhance flexibility,
similar to `mt_find_alloc_memory_type()`.
Signed-off-by: Ho-Ren (Jack) Chuang <horenchuang@xxxxxxxxxxxxx>
---
drivers/dax/kmem.c | 7 +------
include/linux/memory-tiers.h | 6 ++++++
mm/memory-tiers.c | 12 ++++++++++++
3 files changed, 19 insertions(+), 6 deletions(-)
diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c
index de1333aa7b3e..01399e5b53b2 100644
--- a/drivers/dax/kmem.c
+++ b/drivers/dax/kmem.c
@@ -66,13 +66,8 @@ static struct memory_dev_type *kmem_find_alloc_memory_type(int adist)
static void kmem_put_memory_types(void)
{
- struct memory_dev_type *mtype, *mtn;
-
mutex_lock(&kmem_memory_type_lock);
- list_for_each_entry_safe(mtype, mtn, &kmem_memory_types, list) {
- list_del(&mtype->list);
- put_memory_type(mtype);
- }
+ mt_put_memory_types(&kmem_memory_types);
mutex_unlock(&kmem_memory_type_lock);
}
diff --git a/include/linux/memory-tiers.h b/include/linux/memory-tiers.h
index b2135334ac18..a44c03c2ba3a 100644
--- a/include/linux/memory-tiers.h
+++ b/include/linux/memory-tiers.h
@@ -50,6 +50,7 @@ int mt_set_default_dram_perf(int nid, struct access_coordinate *perf,
int mt_perf_to_adistance(struct access_coordinate *perf, int *adist);
struct memory_dev_type *mt_find_alloc_memory_type(int adist,
struct list_head *memory_types);
+void mt_put_memory_types(struct list_head *memory_types);
#ifdef CONFIG_MIGRATION
int next_demotion_node(int node);
void node_get_allowed_targets(pg_data_t *pgdat, nodemask_t *targets);
@@ -143,5 +144,10 @@ struct memory_dev_type *mt_find_alloc_memory_type(int adist, struct list_head *m
{
return NULL;
}
+
+void mt_put_memory_types(struct list_head *memory_types)
+{
+
+}
#endif /* CONFIG_NUMA */
#endif /* _LINUX_MEMORY_TIERS_H */
diff --git a/mm/memory-tiers.c b/mm/memory-tiers.c
index d9b96b21b65a..6246c28546ba 100644
--- a/mm/memory-tiers.c
+++ b/mm/memory-tiers.c
@@ -662,6 +662,18 @@ struct memory_dev_type *mt_find_alloc_memory_type(int adist, struct list_head *m
}
EXPORT_SYMBOL_GPL(mt_find_alloc_memory_type);
+
+void mt_put_memory_types(struct list_head *memory_types)
+{
+ struct memory_dev_type *mtype, *mtn;
+
+ list_for_each_entry_safe(mtype, mtn, memory_types, list) {
+ list_del(&mtype->list);
+ put_memory_type(mtype);
+ }
+}
+EXPORT_SYMBOL_GPL(mt_put_memory_types);
+
/*
* This is invoked via late_initcall() to create
* CPUless memory tiers after HMAT info is ready or
--
Ho-Ren (Jack) Chuang
