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DM6PR12MB4220.namprd12.prod.outlook.com (2603:10b6:5:21d::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.20; Tue, 24 Mar 2026 18:59:26 +0000 Received: from BN9PR12MB5259.namprd12.prod.outlook.com ([fe80::122c:cca7:c2b3:90ed]) by BN9PR12MB5259.namprd12.prod.outlook.com ([fe80::122c:cca7:c2b3:90ed%3]) with mapi id 15.20.9745.019; Tue, 24 Mar 2026 18:59:26 +0000 Message-ID: <77c3208e-6ee9-477d-b363-0baaea584ef7@amd.com> Date: Wed, 25 Mar 2026 00:29:19 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] mm/migrate: rename PAGE_ migration flags to FOLIO_ To: "David Hildenbrand (Arm)" , Andrew Morton Cc: willy@infradead.org, Zi Yan , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20260324114720.864478-2-shivankg@amd.com> Content-Language: en-US From: "Garg, Shivank" In-Reply-To: Content-Type: text/plain; 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 3/24/2026 6:01 PM, David Hildenbrand (Arm) wrote: > On 3/24/26 12:47, Shivank Garg wrote: >> These flags only track folio-specific state during migration and are >> not used for movable_ops pages. Rename the enum values and the >> old_page_state variable to match. >> >> No functional change. >> >> Suggested-by: David Hildenbrand >> Signed-off-by: Shivank Garg >> --- >> >> Applies cleanly on mm-new (02b045682c74). >> >> v1: https://lore.kernel.org/all/20260323141935.389232-3-shivankg@amd.com >> >> v2: >> - Rename FOLIO_MF_* to FOLIO_*, per feedback from Willy. >> >> mm/migrate.c | 46 +++++++++++++++++++++++----------------------- >> 1 file changed, 23 insertions(+), 23 deletions(-) >> >> diff --git a/mm/migrate.c b/mm/migrate.c >> index 05cb408846f2..7dd6c2f2e1ef 100644 >> --- a/mm/migrate.c >> +++ b/mm/migrate.c >> @@ -1135,26 +1135,26 @@ static int move_to_new_folio(struct folio *dst, struct folio *src, >> * This is safe because nobody is using it except us. >> */ >> enum { >> - PAGE_WAS_MAPPED = BIT(0), >> - PAGE_WAS_MLOCKED = BIT(1), >> - PAGE_OLD_STATES = PAGE_WAS_MAPPED | PAGE_WAS_MLOCKED, >> + FOLIO_WAS_MAPPED = BIT(0), >> + FOLIO_WAS_MLOCKED = BIT(1), >> + FOLIO_OLD_STATES = FOLIO_WAS_MAPPED | FOLIO_WAS_MLOCKED, >> }; >> >> static void __migrate_folio_record(struct folio *dst, >> - int old_page_state, >> + int old_folio_state, >> struct anon_vma *anon_vma) >> { > > While at it, you could just use two tabs to indent the second parameter > line. > Sure, will fix this. > > >> - dst->private = (void *)anon_vma + old_page_state; >> + dst->private = (void *)anon_vma + old_folio_state; >> } >> >> static void __migrate_folio_extract(struct folio *dst, >> - int *old_page_state, >> + int *old_folio_state, >> struct anon_vma **anon_vmap) >> { > > Same here. > > > Thanks! > > Acked-by: David Hildenbrand (Arm) > Thanks, Shivank