summaryrefslogtreecommitdiffstats
path: root/arch/arm64/include/asm/pgtable.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/include/asm/pgtable.h')
-rw-r--r--arch/arm64/include/asm/pgtable.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 4c445057169d..cf1d9c86f20a 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -263,6 +263,11 @@ static inline pmd_t pte_pmd(pte_t pte)
return __pmd(pte_val(pte));
}
+static inline pgprot_t mk_sect_prot(pgprot_t prot)
+{
+ return __pgprot(pgprot_val(prot) & ~PTE_TABLE_BIT);
+}
+
/*
* THP definitions.
*/
@@ -336,9 +341,12 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
#ifdef CONFIG_ARM64_64K_PAGES
#define pud_sect(pud) (0)
+#define pud_table(pud) (1)
#else
#define pud_sect(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \
PUD_TYPE_SECT)
+#define pud_table(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \
+ PUD_TYPE_TABLE)
#endif
static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
OpenPOWER on IntegriCloud