Re: Hugepages demand paging V1 [1/4]: demand paging core

[William Lee Irwin III]

On Thu, Oct 21, 2004 at 09:56:27PM -0700, Christoph Lameter wrote:
> +static void scrub_one_pmd(pmd_t * pmd)
> +{
> +	struct page *page;
> +
> +	if (pmd && !pmd_none(*pmd) && !pmd_huge(*pmd)) {
> +		page = pmd_page(*pmd);
> +		pmd_clear(pmd);
> +		dec_page_state(nr_page_table_pages);
> +		page_cache_release(page);
> +	}
> +}

It would be nicer to fix the pagetable leak (over the lifetime of a
process) in the core instead of sprinkling hugetlb with this.


-- wli
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