Merge tag 'stable/for-linus-3.18-rc0-tag' of git://git.kernel.org/pub/scm/linux/kerne...

[mirror_ubuntu-jammy-kernel.git] / arch / x86 / include / asm / pgtable_types.h

diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index f216963760e5195f18c03dd8477e02d5cc729c87..07789647bf333458840685a5d35e91d49ed2e299 100644 (file)
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -23,7 +23,6 @@
 #define _PAGE_BIT_SPECIAL      _PAGE_BIT_SOFTW1
 #define _PAGE_BIT_CPA_TEST     _PAGE_BIT_SOFTW1
 #define _PAGE_BIT_SPLITTING    _PAGE_BIT_SOFTW2 /* only valid on a PSE pmd */
-#define _PAGE_BIT_IOMAP                _PAGE_BIT_SOFTW2 /* flag used to indicate IO mapping */
 #define _PAGE_BIT_HIDDEN       _PAGE_BIT_SOFTW3 /* hidden by kmemcheck */
 #define _PAGE_BIT_SOFT_DIRTY   _PAGE_BIT_SOFTW3 /* software dirty tracking */
 #define _PAGE_BIT_NX           63       /* No execute: only valid after cpuid check */
@@ -52,7 +51,7 @@
 #define _PAGE_PSE      (_AT(pteval_t, 1) << _PAGE_BIT_PSE)
 #define _PAGE_GLOBAL   (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL)
 #define _PAGE_SOFTW1   (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW1)
-#define _PAGE_IOMAP    (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP)
+#define _PAGE_SOFTW2   (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW2)
 #define _PAGE_PAT      (_AT(pteval_t, 1) << _PAGE_BIT_PAT)
 #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE)
 #define _PAGE_SPECIAL  (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL)
@@ -168,10 +167,10 @@
 #define __PAGE_KERNEL_LARGE_NOCACHE    (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE)
 #define __PAGE_KERNEL_LARGE_EXEC       (__PAGE_KERNEL_EXEC | _PAGE_PSE)
 
-#define __PAGE_KERNEL_IO               (__PAGE_KERNEL | _PAGE_IOMAP)
-#define __PAGE_KERNEL_IO_NOCACHE       (__PAGE_KERNEL_NOCACHE | _PAGE_IOMAP)
-#define __PAGE_KERNEL_IO_UC_MINUS      (__PAGE_KERNEL_UC_MINUS | _PAGE_IOMAP)
-#define __PAGE_KERNEL_IO_WC            (__PAGE_KERNEL_WC | _PAGE_IOMAP)
+#define __PAGE_KERNEL_IO               (__PAGE_KERNEL)
+#define __PAGE_KERNEL_IO_NOCACHE       (__PAGE_KERNEL_NOCACHE)
+#define __PAGE_KERNEL_IO_UC_MINUS      (__PAGE_KERNEL_UC_MINUS)
+#define __PAGE_KERNEL_IO_WC            (__PAGE_KERNEL_WC)
 
 #define PAGE_KERNEL                    __pgprot(__PAGE_KERNEL)
 #define PAGE_KERNEL_RO                 __pgprot(__PAGE_KERNEL_RO)
@@ -325,6 +324,20 @@ static inline pteval_t pte_flags(pte_t pte)
        return native_pte_val(pte) & PTE_FLAGS_MASK;
 }
 
+#ifdef CONFIG_NUMA_BALANCING
+/* Set of bits that distinguishes present, prot_none and numa ptes */
+#define _PAGE_NUMA_MASK (_PAGE_NUMA|_PAGE_PROTNONE|_PAGE_PRESENT)
+static inline pteval_t ptenuma_flags(pte_t pte)
+{
+       return pte_flags(pte) & _PAGE_NUMA_MASK;
+}
+
+static inline pmdval_t pmdnuma_flags(pmd_t pmd)
+{
+       return pmd_flags(pmd) & _PAGE_NUMA_MASK;
+}
+#endif /* CONFIG_NUMA_BALANCING */
+
 #define pgprot_val(x)  ((x).pgprot)
 #define __pgprot(x)    ((pgprot_t) { (x) } )