diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-04-18 15:32:22 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-04-18 17:40:49 -0400 |
commit | d1a4be630fb068f251d64b62919f143c49ca8057 (patch) | |
tree | fbd9727874d3377e2c2d0699fabb6c12427408a9 /arch/x86/mm/pageattr.c | |
parent | 2cca775baecbfede2fec20c99add709232311fe7 (diff) |
x86 PAT: fix mmap() of holes
do not return a -EINVAL when mmap()-ing PCI holes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Diffstat (limited to 'arch/x86/mm/pageattr.c')
-rw-r--r-- | arch/x86/mm/pageattr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 7d9517abc9af..f7823a172868 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c | |||
@@ -542,7 +542,7 @@ static int __change_page_attr(struct cpa_data *cpa, int primary) | |||
542 | repeat: | 542 | repeat: |
543 | kpte = lookup_address(address, &level); | 543 | kpte = lookup_address(address, &level); |
544 | if (!kpte) | 544 | if (!kpte) |
545 | return primary ? -EINVAL : 0; | 545 | return 0; |
546 | 546 | ||
547 | old_pte = *kpte; | 547 | old_pte = *kpte; |
548 | if (!pte_val(old_pte)) { | 548 | if (!pte_val(old_pte)) { |