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SubjectRe: [patch] rfc: introduce /dev/hugetlb
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> -#ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
> -unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
> - unsigned long len, unsigned long pgoff, unsigned long flags);
> -#else
> -static unsigned long
> +unsigned long
> hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
> unsigned long len, unsigned long pgoff, unsigned long flags)
> {
> @@ -150,7 +145,6 @@ full_search:
> addr = ALIGN(vma->vm_end, HPAGE_SIZE);
> }
> }
> -#endif

WTF ? get_unmapped_area() -has- to be arch in some platforms like
power...

I'm trying to improve the whole get_unmapped_area() to better handle
multiple constraints (cacheability, page size, ...) though I haven't
quite yet settled on an interface I like.

Ben.


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