From: Xiongwei Song <xiongwei.song@xxxxxxxxxxxxx>
Add slub_get_cpu_partial() and dummy function to help improve
get_partial_node(). It can help remove #ifdef of CONFIG_SLUB_CPU_PARTIAL
and improve filling cpu partial logic.
Signed-off-by: Xiongwei Song <xiongwei.song@xxxxxxxxxxxxx>
---
mm/slub.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/mm/slub.c b/mm/slub.c
index 059922044a4f..590cc953895d 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -604,11 +604,21 @@ static void slub_set_cpu_partial(struct kmem_cache *s, unsigned int nr_objects)
nr_slabs = DIV_ROUND_UP(nr_objects * 2, oo_objects(s->oo));
s->cpu_partial_slabs = nr_slabs;
}
+
+static inline unsigned int slub_get_cpu_partial(struct kmem_cache *s)
+{
+ return s->cpu_partial_slabs;
+}
#else
static inline void
slub_set_cpu_partial(struct kmem_cache *s, unsigned int nr_objects)
{
}
+
+static inline unsigned int slub_get_cpu_partial(struct kmem_cache *s)
+{
+ return 0;
+}
#endif /* CONFIG_SLUB_CPU_PARTIAL */
/*
--
2.34.1
