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