drm/radeon: add additional SI pci ids

[firefly-linux-kernel-4.4.55.git] / include / asm-generic / pgtable.h

diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index bfd87685fc1fd1fa32ea231c563205ed6f448a14..17bccd3a4b03fdfbe4db34bcc81b6df5ba25fd4b 100644 (file)
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -7,6 +7,16 @@
 #include <linux/mm_types.h>
 #include <linux/bug.h>
 
+/*
+ * On almost all architectures and configurations, 0 can be used as the
+ * upper ceiling to free_pgtables(): on many architectures it has the same
+ * effect as using TASK_SIZE.  However, there is one configuration which
+ * must impose a more careful limit, to avoid freeing kernel pgtables.
+ */
+#ifndef USER_PGTABLES_CEILING
+#define USER_PGTABLES_CEILING  0UL
+#endif
+
 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 extern int ptep_set_access_flags(struct vm_area_struct *vma,
                                 unsigned long address, pte_t *ptep,
@@ -210,7 +220,7 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b)
 #endif
 
 #ifndef pte_accessible
-# define pte_accessible(pte)           ((void)(pte),1)
+# define pte_accessible(mm, pte)       ((void)(pte), 1)
 #endif
 
 #ifndef flush_tlb_fix_spurious_fault
@@ -610,32 +620,47 @@ static inline int pmd_numa(pmd_t pmd)
 #ifndef pte_mknonnuma
 static inline pte_t pte_mknonnuma(pte_t pte)
 {
-       pte = pte_clear_flags(pte, _PAGE_NUMA);
-       return pte_set_flags(pte, _PAGE_PRESENT|_PAGE_ACCESSED);
+       pteval_t val = pte_val(pte);
+
+       val &= ~_PAGE_NUMA;
+       val |= (_PAGE_PRESENT|_PAGE_ACCESSED);
+       return __pte(val);
 }
 #endif
 
 #ifndef pmd_mknonnuma
 static inline pmd_t pmd_mknonnuma(pmd_t pmd)
 {
-       pmd = pmd_clear_flags(pmd, _PAGE_NUMA);
-       return pmd_set_flags(pmd, _PAGE_PRESENT|_PAGE_ACCESSED);
+       pmdval_t val = pmd_val(pmd);
+
+       val &= ~_PAGE_NUMA;
+       val |= (_PAGE_PRESENT|_PAGE_ACCESSED);
+
+       return __pmd(val);
 }
 #endif
 
 #ifndef pte_mknuma
 static inline pte_t pte_mknuma(pte_t pte)
 {
-       pte = pte_set_flags(pte, _PAGE_NUMA);
-       return pte_clear_flags(pte, _PAGE_PRESENT);
+       pteval_t val = pte_val(pte);
+
+       val &= ~_PAGE_PRESENT;
+       val |= _PAGE_NUMA;
+
+       return __pte(val);
 }
 #endif
 
 #ifndef pmd_mknuma
 static inline pmd_t pmd_mknuma(pmd_t pmd)
 {
-       pmd = pmd_set_flags(pmd, _PAGE_NUMA);
-       return pmd_clear_flags(pmd, _PAGE_PRESENT);
+       pmdval_t val = pmd_val(pmd);
+
+       val &= ~_PAGE_PRESENT;
+       val |= _PAGE_NUMA;
+
+       return __pmd(val);
 }
 #endif
 #else