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authorAndi Kleen <ak@suse.de>2008-02-04 16:48:09 +0100
committerIngo Molnar <mingo@elte.hu>2008-02-04 16:48:09 +0100
commitfbff3c21aff29ffdfa46b50946696689d3e70a48 (patch)
tree5a69a045c29b650c3c9748eeeab676e5ef452bee /include/asm-x86
parent019c3e7c5e93475002edfc0da6c59508247553b1 (diff)
downloadop-kernel-dev-fbff3c21aff29ffdfa46b50946696689d3e70a48.zip
op-kernel-dev-fbff3c21aff29ffdfa46b50946696689d3e70a48.tar.gz
x86: add PUD_PAGE_SIZE
a PUD entry covers 1GB of virtual memory. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/page_64.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h
index c1ac42d..dcf0c07 100644
--- a/include/asm-x86/page_64.h
+++ b/include/asm-x86/page_64.h
@@ -23,6 +23,9 @@
#define MCE_STACK 5
#define N_EXCEPTION_STACKS 5 /* hw limit: 7 */
+#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT)
+#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1))
+
#define __PAGE_OFFSET _AC(0xffff810000000000, UL)
#define __PHYSICAL_START CONFIG_PHYSICAL_START
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