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| author | David Mosberger-Tang <davidm@hpl.hp.com> | 2005-06-08 10:45:00 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-06-08 10:58:21 -0700 |
| commit | ad597bd518559f59ede8d01262cdf4467e13282e (patch) | |
| tree | d86cef4525e0bfb45b22bd67f40e9c8d0eaa66b5 /include | |
| parent | 2bfe94905d3601774c6418c020ba830c118578b4 (diff) | |
| download | linux-3.10-ad597bd518559f59ede8d01262cdf4467e13282e.tar.gz linux-3.10-ad597bd518559f59ede8d01262cdf4467e13282e.tar.bz2 linux-3.10-ad597bd518559f59ede8d01262cdf4467e13282e.zip | |
[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')
| -rw-r--r-- | include/asm-ia64/pgtable.h | 8 |
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 |