[IA64] Fill holes in FIXADDR_USER space with zero pages.
This fixes an oops reported by Jason Baron.
Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index ea121a0..fcc9c33 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -8,7 +8,7 @@
* This hopefully works with any (fixed) IA-64 page-size, as defined
* in <asm/page.h>.
*
- * Copyright (C) 1998-2004 Hewlett-Packard Co
+ * Copyright (C) 1998-2005 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
@@ -551,7 +551,11 @@
/* These tell get_user_pages() that the first gate page is accessible from user-level. */
#define FIXADDR_USER_START GATE_ADDR
-#define FIXADDR_USER_END (GATE_ADDR + 2*PERCPU_PAGE_SIZE)
+#ifdef HAVE_BUGGY_SEGREL
+# define FIXADDR_USER_END (GATE_ADDR + 2*PAGE_SIZE)
+#else
+# define FIXADDR_USER_END (GATE_ADDR + 2*PERCPU_PAGE_SIZE)
+#endif
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY