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| author | Stephen Wilson <wilsons@start.ca> | 2011-03-13 15:49:15 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-23 16:36:54 -0400 |
| commit | 31db58b3ab432f72ea76be58b12e6ffaf627d5db (patch) | |
| tree | c88b742e1f2c52045d5abc6d35d7492ebdf64541 /mm/mlock.c | |
| parent | 375906f8765e131a4a159b1ffebf78c15db7b3bf (diff) | |
| download | linux-31db58b3ab432f72ea76be58b12e6ffaf627d5db.tar.gz linux-31db58b3ab432f72ea76be58b12e6ffaf627d5db.tar.bz2 linux-31db58b3ab432f72ea76be58b12e6ffaf627d5db.zip | |
mm: arch: make get_gate_vma take an mm_struct instead of a task_struct
Morally, the presence of a gate vma is more an attribute of a particular mm than
a particular task. Moreover, dropping the dependency on task_struct will help
make both 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 'mm/mlock.c')
| -rw-r--r-- | mm/mlock.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/mlock.c b/mm/mlock.c index c3924c7f00be..2689a08c79af 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -237,7 +237,7 @@ long mlock_vma_pages_range(struct vm_area_struct *vma, if (!((vma->vm_flags & (VM_DONTEXPAND | VM_RESERVED)) || is_vm_hugetlb_page(vma) || - vma == get_gate_vma(current))) { + vma == get_gate_vma(current->mm))) { __mlock_vma_pages_range(vma, start, end, NULL); @@ -332,7 +332,7 @@ static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev, int lock = newflags & VM_LOCKED; if (newflags == vma->vm_flags || (vma->vm_flags & VM_SPECIAL) || - is_vm_hugetlb_page(vma) || vma == get_gate_vma(current)) + is_vm_hugetlb_page(vma) || vma == get_gate_vma(current->mm)) goto out; /* don't set VM_LOCKED, don't count */ pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT); |