From: Pankaj Raghav <p.raghav@samsung.com>

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@redhat.com>
Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
---
 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

On Mon, Aug 04, 2025 at 02:13:53PM +0200, Pankaj Raghav (Samsung) wrote:
> From: Pankaj Raghav <p.raghav@samsung.com>
>
> 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@redhat.com>
> Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>

LGTM, so:

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>

> ---
>  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
>

On 04.08.25 14:13, Pankaj Raghav (Samsung) wrote:
> From: Pankaj Raghav <p.raghav@samsung.com>
> 
> 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@redhat.com>
> Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
> ---



Acked-by: David Hildenbrand <david@redhat.com>

-- 
Cheers,

David / dhildenb

On 4 Aug 2025, at 8:13, Pankaj Raghav (Samsung) wrote:

> From: Pankaj Raghav <p.raghav@samsung.com>
>
> 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@redhat.com>
> Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
> ---
>  include/linux/mm_types.h | 2 +-
>  mm/huge_memory.c         | 6 +++---
>  2 files changed, 4 insertions(+), 4 deletions(-)
>
Reviewed-by: Zi Yan <ziy@nvidia.com>

Best Regards,
Yan, Zi