Re: [patch][rfc] 2/5: micro optimisation for mm/rmap.c

On Thu, Jun 23, 2005 at 05:06:35PM +1000, Nick Piggin wrote:
> +		index = (address - vma->vm_start) >> PAGE_SHIFT;
> +		index += vma->vm_pgoff;
> +		index >>= PAGE_CACHE_SHIFT - PAGE_SHIFT;
> +		page->index = index;

linear_page_index()


-- wli
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