On Wed, Mar 31, 2021 at 12:38 PM Mike Rapoport <rppt@xxxxxxxxxx> wrote:
>
> From: Mike Rapoport <rppt@xxxxxxxxxxxxx>
>
> The renaming of PF_MEMALLOC_NOCMA to PF_MEMALLOC_PIN missed one occurrence
> in mm/hugetlb.c which causes build error:
>
> CC mm/hugetlb.o
> mm/hugetlb.c: In function ‘dequeue_huge_page_node_exact’:
> mm/hugetlb.c:1081:33: error: ‘PF_MEMALLOC_NOCMA’ undeclared (first use in this function); did you mean ‘PF_MEMALLOC_NOFS’?
> bool pin = !!(current->flags & PF_MEMALLOC_NOCMA);
> ^~~~~~~~~~~~~~~~~
> PF_MEMALLOC_NOFS
> mm/hugetlb.c:1081:33: note: each undeclared identifier is reported only once for each function it appears in
> scripts/Makefile.build:273: recipe for target 'mm/hugetlb.o' failed
> make[2]: *** [mm/hugetlb.o] Error 1
>
> Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
> ---
> mm/hugetlb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index a5236c2f7bb2..c22111f3da20 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -1078,7 +1078,7 @@ static void enqueue_huge_page(struct hstate *h, struct page *page)
> static struct page *dequeue_huge_page_node_exact(struct hstate *h, int nid)
> {
> struct page *page;
> - bool pin = !!(current->flags & PF_MEMALLOC_NOCMA);
> + bool pin = !!(current->flags & PF_MEMALLOC_PIN);
Thank you Mike!
Andrew, since "mm cma: rename PF_MEMALLOC_NOCMA to PF_MEMALLOC_PIN" is
not yet in the mainline, should I send a new version of this patch so
we won't have bisecting problems in the future?
Thank you,
Pasha
