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-rw-r--r--arch/arm64/include/asm/pgtable.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 4229f75fd145..87355408d448 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -445,6 +445,9 @@ static inline phys_addr_t pmd_page_paddr(pmd_t pmd)
#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK))
+/* use ONLY for statically allocated translation tables */
+#define pte_offset_kimg(dir,addr) ((pte_t *)__phys_to_kimg(pte_offset_phys((dir), (addr))))
+
/*
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
@@ -488,6 +491,9 @@ static inline phys_addr_t pud_page_paddr(pud_t pud)
#define pud_page(pud) pfn_to_page(__phys_to_pfn(pud_val(pud) & PHYS_MASK))
+/* use ONLY for statically allocated translation tables */
+#define pmd_offset_kimg(dir,addr) ((pmd_t *)__phys_to_kimg(pmd_offset_phys((dir), (addr))))
+
#else
#define pud_page_paddr(pud) ({ BUILD_BUG(); 0; })
@@ -497,6 +503,8 @@ static inline phys_addr_t pud_page_paddr(pud_t pud)
#define pmd_set_fixmap_offset(pudp, addr) ((pmd_t *)pudp)
#define pmd_clear_fixmap()
+#define pmd_offset_kimg(dir,addr) ((pmd_t *)dir)
+
#endif /* CONFIG_PGTABLE_LEVELS > 2 */
#if CONFIG_PGTABLE_LEVELS > 3
@@ -535,6 +543,9 @@ static inline phys_addr_t pgd_page_paddr(pgd_t pgd)
#define pgd_page(pgd) pfn_to_page(__phys_to_pfn(pgd_val(pgd) & PHYS_MASK))
+/* use ONLY for statically allocated translation tables */
+#define pud_offset_kimg(dir,addr) ((pud_t *)__phys_to_kimg(pud_offset_phys((dir), (addr))))
+
#else
#define pgd_page_paddr(pgd) ({ BUILD_BUG(); 0;})
@@ -544,6 +555,8 @@ static inline phys_addr_t pgd_page_paddr(pgd_t pgd)
#define pud_set_fixmap_offset(pgdp, addr) ((pud_t *)pgdp)
#define pud_clear_fixmap()
+#define pud_offset_kimg(dir,addr) ((pud_t *)dir)
+
#endif /* CONFIG_PGTABLE_LEVELS > 3 */
#define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd_val(pgd))
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