diff options
Diffstat (limited to 'arch/x86_64/mm/init.c')
-rw-r--r-- | arch/x86_64/mm/init.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index 4c0c00ef3ca7..2968b90ef8ad 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c | |||
@@ -730,14 +730,15 @@ static __init int x8664_sysctl_init(void) | |||
730 | __initcall(x8664_sysctl_init); | 730 | __initcall(x8664_sysctl_init); |
731 | #endif | 731 | #endif |
732 | 732 | ||
733 | /* A pseudo VMAs to allow ptrace access for the vsyscall page. This only | 733 | /* A pseudo VMA to allow ptrace access for the vsyscall page. This only |
734 | covers the 64bit vsyscall page now. 32bit has a real VMA now and does | 734 | covers the 64bit vsyscall page now. 32bit has a real VMA now and does |
735 | not need special handling anymore. */ | 735 | not need special handling anymore. */ |
736 | 736 | ||
737 | static struct vm_area_struct gate_vma = { | 737 | static struct vm_area_struct gate_vma = { |
738 | .vm_start = VSYSCALL_START, | 738 | .vm_start = VSYSCALL_START, |
739 | .vm_end = VSYSCALL_END, | 739 | .vm_end = VSYSCALL_START + (VSYSCALL_MAPPED_PAGES << PAGE_SHIFT), |
740 | .vm_page_prot = PAGE_READONLY | 740 | .vm_page_prot = PAGE_READONLY_EXEC, |
741 | .vm_flags = VM_READ | VM_EXEC | ||
741 | }; | 742 | }; |
742 | 743 | ||
743 | struct vm_area_struct *get_gate_vma(struct task_struct *tsk) | 744 | struct vm_area_struct *get_gate_vma(struct task_struct *tsk) |