[PATCH 2/4] mm: Rename node_get_allowed_targets() to make it more explicit

Alexandre Ghiti
2026-03-11T11:03:58Z

This function actually returns the tier nodes that are targeted during a
demotion, so rename it to be more explicit.

No functional change intended.

Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
---
include/linux/memory-tiers.h | 6 +++---
mm/memory-tiers.c | 4 ++--
mm/vmscan.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/memory-tiers.h b/include/linux/memory-tiers.h
index 0bf0d002939e..ec39dc3c39e6 100644
--- a/include/linux/memory-tiers.h
+++ b/include/linux/memory-tiers.h
@@ -54,7 +54,7 @@ struct memory_dev_type *mt_find_alloc_memory_type(int adist,
void mt_put_memory_types(struct list_head *memory_types);
#ifdef CONFIG_MIGRATION
int next_demotion_node(int node, const nodemask_t *allowed_mask);
-void node_get_allowed_targets(pg_data_t *pgdat, nodemask_t *targets);
+void node_get_allowed_demotion_targets(pg_data_t *pgdat, nodemask_t *targets);
bool node_is_toptier(int node);
unsigned int mt_demote_folios(struct list_head *demote_folios,
struct pglist_data *pgdat,
@@ -65,7 +65,7 @@ static inline int next_demotion_node(int node, const nodemask_t *allowed_mask)
return NUMA_NO_NODE;
}

-static inline void node_get_allowed_targets(pg_data_t *pgdat, nodemask_t *targets)
+static inline void node_get_allowed_demotion_targets(pg_data_t *pgdat, nodemask_t *targets)
{
*targets = NODE_MASK_NONE;
}
@@ -117,7 +117,7 @@ static inline int next_demotion_node(int node, const nodemask_t *allowed_mask)
return NUMA_NO_NODE;
}

-static inline void node_get_allowed_targets(pg_data_t *pgdat, nodemask_t *targets)
+static inline void node_get_allowed_demotion_targets(pg_data_t *pgdat, nodemask_t *targets)
{
*targets = NODE_MASK_NONE;
}
diff --git a/mm/memory-tiers.c b/mm/memory-tiers.c
index afdf21738a54..19ecc9b6bbda 100644
--- a/mm/memory-tiers.c
+++ b/mm/memory-tiers.c
@@ -300,7 +300,7 @@ bool node_is_toptier(int node)
return toptier;
}

-void node_get_allowed_targets(pg_data_t *pgdat, nodemask_t *targets)
+void node_get_allowed_demotion_targets(pg_data_t *pgdat, nodemask_t *targets)
{
struct memory_tier *memtier;

@@ -428,7 +428,7 @@ unsigned int mt_demote_folios(struct list_head *demote_folios,
if (list_empty(demote_folios))
return 0;

- node_get_allowed_targets(pgdat, &allowed_mask);
+ node_get_allowed_demotion_targets(pgdat, &allowed_mask);
mem_cgroup_node_filter_allowed(memcg, &allowed_mask);
if (nodes_empty(allowed_mask))
return 0;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5e0138b94480..11a97ee8f583 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -351,7 +351,7 @@ static bool can_demote(int nid, struct scan_control *sc,
if (sc && sc->no_demotion)
return false;

- node_get_allowed_targets(pgdat, &allowed_mask);
+ node_get_allowed_demotion_targets(pgdat, &allowed_mask);
if (nodes_empty(allowed_mask))
return false;

--
2.53.0