1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index e26788e0da4a..9be05cbe5ee0 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -59,6 +59,18 @@
 extern void *pcpu_base_addr;
 extern const int *pcpu_unit_map;
 
+enum pcpu_fc {
+        PCPU_FC_AUTO,
+        PCPU_FC_EMBED,
+        PCPU_FC_PAGE,
+        PCPU_FC_LPAGE,
+
+        PCPU_FC_NR,
+};
+extern const char *pcpu_fc_names[PCPU_FC_NR];
+
+extern enum pcpu_fc pcpu_chosen_fc;
+
 typedef void * (*pcpu_fc_alloc_fn_t)(unsigned int cpu, size_t size);
 typedef void (*pcpu_fc_free_fn_t)(void *ptr, size_t size);
 typedef void (*pcpu_fc_populate_pte_fn_t)(unsigned long addr);