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mspec_mmap: don't set VM_LOCKED

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mspec_mmap was setting VM_LOCKED (without adjusting locked_vm): don't do
that, it serves no purpose in 2.6, other than to mess up the locked_vm
accounting - mspec's pages won't get reclaimed anyway.  Thanks to Dmitry
Monakhov for raising the issue.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: Jes Sorensen <jes@sgi.com>
Cc: Dmitry Monakhov <dmonakhov@sw.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hugh Dickins 2007-07-15 23:38:23 -07:00 committed by Linus Torvalds
parent b49ad484c5
commit 5dc4ac6324
1 changed files with 1 additions and 1 deletions
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2
drivers/char/mspec.c
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@ -265,7 +265,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma, int type)
vdata->refcnt = ATOMIC_INIT(1);
vma->vm_private_data = vdata;
vma->vm_flags |= (VM_IO | VM_LOCKED | VM_RESERVED | VM_PFNMAP);
vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP);
if (vdata->type == MSPEC_FETCHOP || vdata->type == MSPEC_UNCACHED)
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
vma->vm_ops = &mspec_vm_ops;