On Mon, 2021-11-29 at 21:38 +0800, Zhenguo Yao wrote:
> Preallocation of gigantic pages can't work bacause of commit:b5389086ad7b
> (hugetlbfs: extend the definition of hugepages parameter to support node
> allocation). When nid is NUMA_NO_NODE(-1), alloc_bootmem_huge_page will
> always return without doing allocation. Fix this by adding more check.
>
> Signed-off-by: Zhenguo Yao <yaozhenguo1@xxxxxxxxx>
> ---
> mm/hugetlb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 60f9b6a9582e..6d1603387914 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -2876,7 +2876,7 @@ int __alloc_bootmem_huge_page(struct hstate *h, int nid)
> struct huge_bootmem_page *m = NULL; /* initialize for clang */
> int nr_nodes, node;
>
> - if (nid >= nr_online_nodes)
> + if (nid != NUMA_NO_NODE && nid >= nr_online_nodes)
> return 0;
> /* do node specific alloc */
> if (nid != NUMA_NO_NODE) {
Tested, works fine.
Thanks!
Tested-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
Best regards,
Maxim Levitsky
