From 83b964bbf82eb13a8f31bb49ca420787fe01f7a6 Mon Sep 17 00:00:00 2001 From: Stephen Wilson Date: Sun, 13 Mar 2011 15:49:16 -0400 Subject: 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 Reviewed-by: Michel Lespinasse Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Signed-off-by: Al Viro --- arch/powerpc/kernel/vdso.c | 2 +- arch/s390/kernel/vdso.c | 2 +- arch/sh/kernel/vsyscall/vsyscall.c | 2 +- arch/x86/mm/init_64.c | 4 ++-- arch/x86/vdso/vdso32-setup.c | 4 ++-- 5 files changed, 7 insertions(+), 7 deletions(-) (limited to 'arch') diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 6169f1756930..467aa9ecbf9d 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -825,7 +825,7 @@ int in_gate_area_no_task(unsigned long addr) return 0; } -int in_gate_area(struct task_struct *task, unsigned long addr) +int in_gate_area(struct mm_struct *mm, unsigned long addr) { return 0; } diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index d19f30504c63..9006e966ef00 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -342,7 +342,7 @@ int in_gate_area_no_task(unsigned long addr) return 0; } -int in_gate_area(struct task_struct *task, unsigned long addr) +int in_gate_area(struct mm_struct *mm, unsigned long addr) { return 0; } diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c index 3f9b6f41813a..62c36a8961d3 100644 --- a/arch/sh/kernel/vsyscall/vsyscall.c +++ b/arch/sh/kernel/vsyscall/vsyscall.c @@ -99,7 +99,7 @@ struct vm_area_struct *get_gate_vma(struct mm_struct *mm) return NULL; } -int in_gate_area(struct task_struct *task, unsigned long address) +int in_gate_area(struct mm_struct *mm, unsigned long address) { return 0; } diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index dd4809b58441..43c441622c89 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 1f651f6bdf61..f849bb29fda1 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; } -- cgit v1.2.3