2 files changed, 6 insertions, 0 deletions

diff --git a/include/asm-ppc64/pgtable-4k.h b/include/asm-ppc64/pgtable-4k.h
index c883a2748558..e9590c06ad92 100644
--- a/include/asm-ppc64/pgtable-4k.h
+++ b/include/asm-ppc64/pgtable-4k.h
@@ -23,6 +23,9 @@
 #define PMD_SIZE        (1UL << PMD_SHIFT)
 #define PMD_MASK        (~(PMD_SIZE-1))
 
+/* With 4k base page size, hugepage PTEs go at the PMD level */
+#define MIN_HUGEPTE_SHIFT       PMD_SHIFT
+
 /* PUD_SHIFT determines what a third-level page table entry can map */
 #define PUD_SHIFT       (PMD_SHIFT + PMD_INDEX_SIZE)
 #define PUD_SIZE        (1UL << PUD_SHIFT)
diff --git a/include/asm-ppc64/pgtable-64k.h b/include/asm-ppc64/pgtable-64k.h
index c5f437c86b3c..154f1840ece4 100644
--- a/include/asm-ppc64/pgtable-64k.h
+++ b/include/asm-ppc64/pgtable-64k.h
@@ -14,6 +14,9 @@
 #define PTRS_PER_PMD    (1 << PMD_INDEX_SIZE)
 #define PTRS_PER_PGD    (1 << PGD_INDEX_SIZE)
 
+/* With 4k base page size, hugepage PTEs go at the PMD level */
+#define MIN_HUGEPTE_SHIFT       PAGE_SHIFT
+
 /* PMD_SHIFT determines what a second-level page table entry can map */
 #define PMD_SHIFT       (PAGE_SHIFT + PTE_INDEX_SIZE)
 #define PMD_SIZE        (1UL << PMD_SHIFT)