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Diffstat (limited to 'drivers/dax/kmem.c')
-rw-r--r--drivers/dax/kmem.c30
1 files changed, 4 insertions, 26 deletions
diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c
index 42ee360cf4..4fe9d040e3 100644
--- a/drivers/dax/kmem.c
+++ b/drivers/dax/kmem.c
@@ -55,36 +55,14 @@ static LIST_HEAD(kmem_memory_types);
static struct memory_dev_type *kmem_find_alloc_memory_type(int adist)
{
- bool found = false;
- struct memory_dev_type *mtype;
-
- mutex_lock(&kmem_memory_type_lock);
- list_for_each_entry(mtype, &kmem_memory_types, list) {
- if (mtype->adistance == adist) {
- found = true;
- break;
- }
- }
- if (!found) {
- mtype = alloc_memory_type(adist);
- if (!IS_ERR(mtype))
- list_add(&mtype->list, &kmem_memory_types);
- }
- mutex_unlock(&kmem_memory_type_lock);
-
- return mtype;
+ guard(mutex)(&kmem_memory_type_lock);
+ return mt_find_alloc_memory_type(adist, &kmem_memory_types);
}
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);
- }
- mutex_unlock(&kmem_memory_type_lock);
+ guard(mutex)(&kmem_memory_type_lock);
+ mt_put_memory_types(&kmem_memory_types);
}
static int dev_dax_kmem_probe(struct dev_dax *dev_dax)