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-rw-r--r--include/linux/hugetlb.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 5214ff63c351..511b1a0d6cc2 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -396,6 +396,16 @@ static inline int hugepage_migration_support(struct hstate *h)
#endif
}
+static inline bool hugepages_supported(void)
+{
+ /*
+ * Some platform decide whether they support huge pages at boot
+ * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when
+ * there is no such support
+ */
+ return HPAGE_SHIFT != 0;
+}
+
#else /* CONFIG_HUGETLB_PAGE */
struct hstate {};
#define alloc_huge_page_node(h, nid) NULL