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-rw-r--r--include/linux/hugetlb.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 5ea05879a0a9..43a1cef8f0f1 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -895,4 +895,16 @@ static inline spinlock_t *huge_pte_lock(struct hstate *h,
return ptl;
}
+#if defined(CONFIG_HUGETLB_PAGE) && defined(CONFIG_CMA)
+extern void __init hugetlb_cma_reserve(int order);
+extern void __init hugetlb_cma_check(void);
+#else
+static inline __init void hugetlb_cma_reserve(int order)
+{
+}
+static inline __init void hugetlb_cma_check(void)
+{
+}
+#endif
+
#endif /* _LINUX_HUGETLB_H */