From: "Pankaj Raghav (Samsung)" <kernel@pankajraghav.com>
To: Suren Baghdasaryan <surenb@google.com>,
Ryan Roberts <ryan.roberts@arm.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Vlastimil Babka <vbabka@suse.cz>, Zi Yan <ziy@nvidia.com>,
Mike Rapoport <rppt@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Michal Hocko <mhocko@suse.com>,
David Hildenbrand <david@redhat.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Nico Pache <npache@redhat.com>, Dev Jain <dev.jain@arm.com>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Jens Axboe <axboe@kernel.dk>
Cc: linux-kernel@vger.kernel.org, willy@infradead.org,
linux-mm@kvack.org, Ritesh Harjani <ritesh.list@gmail.com>,
linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
"Darrick J . Wong" <djwong@kernel.org>,
mcgrof@kernel.org, gost.dev@samsung.com, kernel@pankajraghav.com,
hch@lst.de, Pankaj Raghav <p.raghav@samsung.com>
Subject: [PATCH v2 2/5] mm: rename MMF_HUGE_ZERO_PAGE to MMF_HUGE_ZERO_FOLIO
Date: Fri, 8 Aug 2025 14:11:38 +0200 [thread overview]
Message-ID: <20250808121141.624469-3-kernel@pankajraghav.com> (raw)
In-Reply-To: <20250808121141.624469-1-kernel@pankajraghav.com>
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.
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Acked-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 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
next prev parent reply other threads:[~2025-08-08 12:12 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-08 12:11 [PATCH v2 0/5] add persistent huge zero folio support Pankaj Raghav (Samsung)
2025-08-08 12:11 ` [PATCH v2 1/5] mm: rename huge_zero_page to huge_zero_folio Pankaj Raghav (Samsung)
2025-08-18 6:38 ` Hannes Reinecke
2025-08-08 12:11 ` Pankaj Raghav (Samsung) [this message]
2025-08-18 6:39 ` [PATCH v2 2/5] mm: rename MMF_HUGE_ZERO_PAGE to MMF_HUGE_ZERO_FOLIO Hannes Reinecke
2025-08-08 12:11 ` [PATCH v2 3/5] mm: add persistent huge zero folio Pankaj Raghav (Samsung)
2025-08-08 12:47 ` Pankaj Raghav (Samsung)
2025-08-08 15:47 ` Lorenzo Stoakes
2025-08-11 8:33 ` Pankaj Raghav (Samsung)
2025-08-18 12:02 ` Hannes Reinecke
2025-08-08 12:11 ` [PATCH v2 4/5] mm: add largest_zero_folio() routine Pankaj Raghav (Samsung)
2025-08-08 15:50 ` Lorenzo Stoakes
2025-08-18 12:04 ` Hannes Reinecke
2025-08-08 12:11 ` [PATCH v2 5/5] block: use largest_zero_folio in __blkdev_issue_zero_pages() Pankaj Raghav (Samsung)
2025-08-18 12:05 ` Hannes Reinecke
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