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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 13:05:01 -0800
committerVegard Nossum <vegard.nossum@gmail.com>2009-06-15 15:49:19 +0200
commit9d31c5068b852deaf02ccfb4a1ed2b54f3b9358a (patch)
tree592f73a4251749c238adacc775d0741291e91006 /arch
parent0a4af3b09309049d8560f8ad558a1337bb4f7f32 (diff)
downloadop-kernel-dev-9d31c5068b852deaf02ccfb4a1ed2b54f3b9358a.zip
op-kernel-dev-9d31c5068b852deaf02ccfb4a1ed2b54f3b9358a.tar.gz
x86: make _PAGE_HIDDEN conditional
Only _PAGE_HIDDEN when CONFIG_KMEMCHECK is defined, otherwise set it to 0. Allows later cleanups. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> [rebased for mainline inclusion] Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/pgtable_types.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index 9b5c921..54cb697 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -41,13 +41,18 @@
#define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL)
#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1)
#define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP)
-#define _PAGE_HIDDEN (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN)
#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)
#define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST)
#define __HAVE_ARCH_PTE_SPECIAL
+#ifdef CONFIG_KMEMCHECK
+#define _PAGE_HIDDEN (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN)
+#else
+#define _PAGE_HIDDEN (_AT(pteval_t, 0))
+#endif
+
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX)
#else
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