Re: [PATCH] hugepage: support ZERO_PAGE()

From: Adam Litke
Date: Tue Sep 02 2008 - 13:29:22 EST


On Tue, 2008-09-02 at 10:21 +0900, KOSAKI Motohiro wrote:
> +static int huge_zeropage_ok(pte_t *ptep, int write, int shared)
> +{
> + if (!ptep)
> + return 0;
> +
> + if (write)
> + return 0;
> +
> + if (shared)
> + return 0;
> +
> + return huge_pte_none(huge_ptep_get(ptep));
> +}

In addition to the comments from Mel, I'd like to see this function
collapsed a bit...

if (!ptep || write || shared)
return 0;
else
return huge_pte_none(huge_ptep_get(ptep));

--
Adam Litke - (agl at us.ibm.com)
IBM Linux Technology Center

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