forked from Minki/linux
[PATCH] mm: remove implied vm_ops check
If !vma->vm-ops we already BUG above, so retesting it is useless. The compiler cannot optimize this because BUG is a macro and is not thus marked noreturn; that should possibly be fixed. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1955,7 +1955,7 @@ static int do_file_page(struct mm_struct * mm, struct vm_area_struct * vma,
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* Fall back to the linear mapping if the fs does not support
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* ->populate:
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*/
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if (!vma->vm_ops || !vma->vm_ops->populate ||
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if (!vma->vm_ops->populate ||
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(write_access && !(vma->vm_flags & VM_SHARED))) {
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pte_clear(mm, address, pte);
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return do_no_page(mm, vma, address, write_access, pte, pmd);
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