From nobody Wed Oct 1 22:34:52 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 70F7F2ECE8F for ; Mon, 29 Sep 2025 10:46:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759142812; cv=none; b=jOEOTgUA5Wwz9BGWeVV5bo/rY3RwRvxnAaZF0mnKDXZ4/1SwsB19e7SmP9ofV6ROsD8p6ObrkVkbTttVlzuFgLBxtCARTWDi25RVlcBADpwPZ0VVZGTtMczWezvtP6l0yETdvnZ+ZM2MjHs61m6iPRqhYzmWcdelKdxmE9BC4Wg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759142812; c=relaxed/simple; bh=iwkp/9r0Oc7tHr8WdiP/Kk8lUeotqucyHxLb18YxiPA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=iAaaK2EVMCw0xOIhf41WrU2tAaiDwYqeUDznNx9bM+AeCJtozfDqr465vCKe9xKNlAu/ViXrqUZ6o+Xfyz9kEdViIviwFBx82ihSAuB9a8Y27arX5S3rlAf5YpNNRQAOkfNVH4gSzxKwD5L+iw6EMO6Ez+9cfsKQwv+gCppYDeo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id CB93B150C; Mon, 29 Sep 2025 03:46:41 -0700 (PDT) Received: from ergosum.cambridge.arm.com (ergosum.cambridge.arm.com [10.1.196.45]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id A37F93F66E; Mon, 29 Sep 2025 03:46:48 -0700 (PDT) From: Anshuman Khandual To: linux-mm@kvack.org Cc: Anshuman Khandual , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Zi Yan , linux-kernel@vger.kernel.org Subject: [PATCH] mm/thp: Drop follow_devmap_pmd() default stub Date: Mon, 29 Sep 2025 11:46:43 +0100 Message-Id: <20250929104643.1100421-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.30.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" follow_devmap_pmd() has already been dropped by the commit fd2825b0760a ("mm/gup: remove pXX_devmap usage from get_user_pages()"). The fallback stub in the header which is now redundant, can be dropped off as well. Cc: Andrew Morton Cc: David Hildenbrand Cc: Lorenzo Stoakes Cc: Zi Yan Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual Acked-by: David Hildenbrand Reviewed-by: Alistair Popple Reviewed-by: Dev Jain Reviewed-by: Wei Yang Reviewed-by: Zi Yan --- include/linux/huge_mm.h | 6 ------ 1 file changed, 6 deletions(-) diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 7748489fde1b..96ce0ca54e49 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -652,12 +652,6 @@ static inline void mm_put_huge_zero_folio(struct mm_st= ruct *mm) return; } =20 -static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma, - unsigned long addr, pmd_t *pmd, int flags, struct dev_pagemap **pgmap) -{ - return NULL; -} - static inline bool thp_migration_supported(void) { return false; --=20 2.30.2