ARM64: mm: HugeTLB support.

[cascardo/linux.git] / arch / arm64 / include / asm / pgtable-hwdef.h

diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index 75fd13d..e6e0a0d 100644 (file)
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -25,12 +25,19 @@
 /*
  * Hardware page table definitions.
  *
+ * Level 1 descriptor (PUD).
+ */
+
+#define PUD_TABLE_BIT          (_AT(pgdval_t, 1) << 1)
+
+/*
  * Level 2 descriptor (PMD).
  */
 #define PMD_TYPE_MASK          (_AT(pmdval_t, 3) << 0)
 #define PMD_TYPE_FAULT         (_AT(pmdval_t, 0) << 0)
 #define PMD_TYPE_TABLE         (_AT(pmdval_t, 3) << 0)
 #define PMD_TYPE_SECT          (_AT(pmdval_t, 1) << 0)
+#define PMD_TABLE_BIT          (_AT(pmdval_t, 1) << 1)
 
 /*
  * Section
@@ -53,6 +60,7 @@
 #define PTE_TYPE_MASK          (_AT(pteval_t, 3) << 0)
 #define PTE_TYPE_FAULT         (_AT(pteval_t, 0) << 0)
 #define PTE_TYPE_PAGE          (_AT(pteval_t, 3) << 0)
+#define PTE_TABLE_BIT          (_AT(pteval_t, 1) << 1)
 #define PTE_USER               (_AT(pteval_t, 1) << 6)         /* AP[1] */
 #define PTE_RDONLY             (_AT(pteval_t, 1) << 7)         /* AP[2] */
 #define PTE_SHARED             (_AT(pteval_t, 3) << 8)         /* SH[1:0], inner shareable */