From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Mon, 9 Feb 2009 08:09:52 +0000 (-0800)
Subject: x86: define pud_flags and pud_large properly to allow non-PAE builds
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e2f5bda94152fa567f6b48126741014123f982b8;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

x86: define pud_flags and pud_large properly to allow non-PAE builds
---

diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
index c41e3e8f2271..0733853e7c87 100644
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -90,11 +90,6 @@ static inline pudval_t native_pud_val(pud_t pud)
 #if PAGETABLE_LEVELS > 2
 typedef struct { pmdval_t pmd; } pmd_t;
 
-static inline pudval_t pud_flags(pud_t pud)
-{
-	return native_pud_val(pud) & PTE_FLAGS_MASK;
-}
-
 static inline pmd_t native_make_pmd(pmdval_t val)
 {
 	return (pmd_t) { val };
@@ -113,6 +108,11 @@ static inline pmdval_t native_pmd_val(pmd_t pmd)
 }
 #endif
 
+static inline pudval_t pud_flags(pud_t pud)
+{
+	return native_pud_val(pud) & PTE_FLAGS_MASK;
+}
+
 static inline pmdval_t pmd_flags(pmd_t pmd)
 {
 	return native_pmd_val(pmd) & PTE_FLAGS_MASK;
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 10404e7bf32d..9f5085097977 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -398,7 +398,7 @@ static inline unsigned long pmd_pfn(pmd_t pmd)
 
 static inline int pud_large(pud_t pud)
 {
-	return (pud_flags(pud) & (_PAGE_PSE | _PAGE_PRESENT)) ==
+	return (pud_val(pud) & (_PAGE_PSE | _PAGE_PRESENT)) ==
 		(_PAGE_PSE | _PAGE_PRESENT);
 }
 
@@ -406,6 +406,11 @@ static inline int pud_bad(pud_t pud)
 {
 	return (pud_flags(pud) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0;
 }
+#else
+static inline int pud_large(pud_t pud)
+{
+	return 0;
+}
 #endif	/* PAGETABLE_LEVELS > 2 */
 
 #if PAGETABLE_LEVELS > 3