Re: [PATCH -V6 06/14] hugetlb: Simplify migrate_huge_page

From: David Rientjes
Date: Thu May 24 2012 - 17:35:10 EST


On Mon, 16 Apr 2012, Aneesh Kumar K.V wrote:

> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index 97cc273..1f092db 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -1414,7 +1414,6 @@ static int soft_offline_huge_page(struct page *page, int flags)
> int ret;
> unsigned long pfn = page_to_pfn(page);
> struct page *hpage = compound_head(page);
> - LIST_HEAD(pagelist);
>
> ret = get_any_page(page, pfn, flags);
> if (ret < 0)
> @@ -1429,19 +1428,11 @@ static int soft_offline_huge_page(struct page *page, int flags)
> }
>
> /* Keep page count to indicate a given hugepage is isolated. */
> -
> - list_add(&hpage->lru, &pagelist);
> - ret = migrate_huge_pages(&pagelist, new_page, MPOL_MF_MOVE_ALL, 0,
> - true);
> + ret = migrate_huge_page(page, new_page, MPOL_MF_MOVE_ALL, 0, true);

Was this tested? Shouldn't this be migrate_huge_page(compound_head(page),
...)?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/