On Mon, Aug 04, 2025 at 02:13:53PM +0200, Pankaj Raghav (Samsung) wrote:
> From: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
>
> As all the helper functions has been renamed from *_page to *_folio,
> rename the MM flag from MMF_HUGE_ZERO_PAGE to MMF_HUGE_ZERO_FOLIO.
>
> No functional changes.
>
> Suggested-by: David Hildenbrand <david@xxxxxxxxxx>
> Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
LGTM, so:
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
> ---
> include/linux/mm_types.h | 2 +-
> mm/huge_memory.c | 6 +++---
> 2 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
> index 1ec273b06691..2ad5eaddfcce 100644
> --- a/include/linux/mm_types.h
> +++ b/include/linux/mm_types.h
> @@ -1753,7 +1753,7 @@ enum {
> #define MMF_RECALC_UPROBES 20 /* MMF_HAS_UPROBES can be wrong */
> #define MMF_OOM_SKIP 21 /* mm is of no interest for the OOM killer */
> #define MMF_UNSTABLE 22 /* mm is unstable for copy_from_user */
> -#define MMF_HUGE_ZERO_PAGE 23 /* mm has ever used the global huge zero page */
> +#define MMF_HUGE_ZERO_FOLIO 23 /* mm has ever used the global huge zero folio */
> #define MMF_DISABLE_THP 24 /* disable THP for all VMAs */
> #define MMF_DISABLE_THP_MASK (1 << MMF_DISABLE_THP)
> #define MMF_OOM_REAP_QUEUED 25 /* mm was queued for oom_reaper */
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index 6625514f622b..ff06dee213eb 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -248,13 +248,13 @@ static void put_huge_zero_folio(void)
>
> struct folio *mm_get_huge_zero_folio(struct mm_struct *mm)
> {
> - if (test_bit(MMF_HUGE_ZERO_PAGE, &mm->flags))
> + if (test_bit(MMF_HUGE_ZERO_FOLIO, &mm->flags))
> return READ_ONCE(huge_zero_folio);
>
> if (!get_huge_zero_folio())
> return NULL;
>
> - if (test_and_set_bit(MMF_HUGE_ZERO_PAGE, &mm->flags))
> + if (test_and_set_bit(MMF_HUGE_ZERO_FOLIO, &mm->flags))
> put_huge_zero_folio();
>
> return READ_ONCE(huge_zero_folio);
> @@ -262,7 +262,7 @@ struct folio *mm_get_huge_zero_folio(struct mm_struct *mm)
>
> void mm_put_huge_zero_folio(struct mm_struct *mm)
> {
> - if (test_bit(MMF_HUGE_ZERO_PAGE, &mm->flags))
> + if (test_bit(MMF_HUGE_ZERO_FOLIO, &mm->flags))
> put_huge_zero_folio();
> }
>
> --
> 2.49.0
>
