1 files changed, 57 insertions, 0 deletions
diff --git a/mm/hugetlb_cma.h b/mm/hugetlb_cma.h
new file mode 100644
index 000000000000..f7d7fb9880a2
--- /dev/null
+++ b/mm/hugetlb_cma.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_HUGETLB_CMA_H
+#define _LINUX_HUGETLB_CMA_H
+
+#ifdef CONFIG_CMA
+void hugetlb_cma_free_folio(struct folio *folio);
+struct folio *hugetlb_cma_alloc_folio(struct hstate *h, gfp_t gfp_mask,
+				      int nid, nodemask_t *nodemask);
+struct huge_bootmem_page *hugetlb_cma_alloc_bootmem(struct hstate *h, int *nid,
+						    bool node_exact);
+void hugetlb_cma_check(void);
+bool hugetlb_cma_exclusive_alloc(void);
+unsigned long hugetlb_cma_total_size(void);
+void hugetlb_cma_validate_params(void);
+bool hugetlb_early_cma(struct hstate *h);
+#else
+static inline void hugetlb_cma_free_folio(struct folio *folio)
+{
+}
+
+static inline struct folio *hugetlb_cma_alloc_folio(struct hstate *h,
+	    gfp_t gfp_mask, int nid, nodemask_t *nodemask)
+{
+	return NULL;
+}
+
+static inline
+struct huge_bootmem_page *hugetlb_cma_alloc_bootmem(struct hstate *h, int *nid,
+						    bool node_exact)
+{
+	return NULL;
+}
+
+static inline void hugetlb_cma_check(void)
+{
+}
+
+static inline bool hugetlb_cma_exclusive_alloc(void)
+{
+	return false;
+}
+
+static inline unsigned long hugetlb_cma_total_size(void)
+{
+	return 0;
+}
+
+static inline void hugetlb_cma_validate_params(void)
+{
+}
+
+static inline bool hugetlb_early_cma(struct hstate *h)
+{
+	return false;
+}
+#endif
+#endif