diff options
| author | Stephen Wilson <wilsons@start.ca> | 2011-03-13 15:49:16 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-23 16:36:54 -0400 |
| commit | 83b964bbf82eb13a8f31bb49ca420787fe01f7a6 (patch) | |
| tree | c94dcf5f4116ca351570fb9d2b7e37834e93f430 /arch/x86 | |
| parent | 31db58b3ab432f72ea76be58b12e6ffaf627d5db (diff) | |
mm: arch: make in_gate_area take an mm_struct instead of a task_struct
Morally, the question of whether an address lies in a gate vma should be asked
with respect to an mm, not a particular task. Moreover, dropping the dependency
on task_struct will help make existing and future operations on mm's more
flexible and convenient.
Signed-off-by: Stephen Wilson <wilsons@start.ca>
Reviewed-by: Michel Lespinasse <walken@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/mm/init_64.c | 4 | ||||
| -rw-r--r-- | arch/x86/vdso/vdso32-setup.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index dd4809b5844..43c441622c8 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -870,9 +870,9 @@ struct vm_area_struct *get_gate_vma(struct mm_struct *mm) return &gate_vma; } -int in_gate_area(struct task_struct *task, unsigned long addr) +int in_gate_area(struct mm_struct *mm, unsigned long addr) { - struct vm_area_struct *vma = get_gate_vma(task->mm); + struct vm_area_struct *vma = get_gate_vma(mm); if (!vma) return 0; diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c index 1f651f6bdf6..f849bb29fda 100644 --- a/arch/x86/vdso/vdso32-setup.c +++ b/arch/x86/vdso/vdso32-setup.c @@ -428,9 +428,9 @@ struct vm_area_struct *get_gate_vma(struct mm_struct *mm) return NULL; } -int in_gate_area(struct task_struct *task, unsigned long addr) +int in_gate_area(struct mm_struct *mm, unsigned long addr) { - const struct vm_area_struct *vma = get_gate_vma(task->mm); + const struct vm_area_struct *vma = get_gate_vma(mm); return vma && addr >= vma->vm_start && addr < vma->vm_end; } |