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authorDavid Mosberger-Tang <davidm@hpl.hp.com>2005-06-08 10:45:00 -0700
committerTony Luck <tony.luck@intel.com>2005-06-08 10:58:21 -0700
commitad597bd518559f59ede8d01262cdf4467e13282e (patch)
treed86cef4525e0bfb45b22bd67f40e9c8d0eaa66b5 /include/asm-ia64/pgtable.h
parent2bfe94905d3601774c6418c020ba830c118578b4 (diff)
[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>
Diffstat (limited to 'include/asm-ia64/pgtable.h')
-rw-r--r--include/asm-ia64/pgtable.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index ea121a00230..fcc9c3344ab 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 @@ do { \
/* 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