[PATCH v2 2/5] mm: rename MMF_HUGE_ZERO_PAGE to MMF_HUGE_ZERO_FOLIO
From: Pankaj Raghav (Samsung) <hidden>
Date: 2025-08-08 12:12:18
Also in:
linux-fsdevel, linux-mm, lkml
Subsystem:
memory management, memory management - core, memory management - thp (transparent huge page), the rest · Maintainers:
Andrew Morton, David Hildenbrand, Lorenzo Stoakes, Linus Torvalds
From: Pankaj Raghav <redacted> 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. Reviewed-by: Lorenzo Stoakes <redacted> Reviewed-by: Zi Yan <ziy@nvidia.com> Suggested-by: David Hildenbrand <redacted> Acked-by: David Hildenbrand <redacted> Signed-off-by: Pankaj Raghav <redacted> --- 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 3ed763e7ec6f..cf94df4955c7 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h@@ -1758,7 +1758,7 @@ 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