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Howlett" , Jens Axboe Cc: linux-kernel@vger.kernel.org, willy@infradead.org, linux-mm@kvack.org, Ritesh Harjani , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, "Darrick J . Wong" , mcgrof@kernel.org, gost.dev@samsung.com, kernel@pankajraghav.com, hch@lst.de, Pankaj Raghav 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 Message-ID: <20250808121141.624469-3-kernel@pankajraghav.com> In-Reply-To: <20250808121141.624469-1-kernel@pankajraghav.com> References: <20250808121141.624469-1-kernel@pankajraghav.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 0155940006 X-Stat-Signature: 4soskb9obes48oij5xstmyt61uf1dx7f X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1754655137-508495 X-HE-Meta: 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 lB6SWm0A 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Pankaj Raghav 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 Reviewed-by: Zi Yan Suggested-by: David Hildenbrand Acked-by: David Hildenbrand Signed-off-by: Pankaj Raghav --- 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