From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f49.google.com (mail-ed1-f49.google.com [209.85.208.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D37AD27B500 for ; Mon, 1 Sep 2025 20:50:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756759848; cv=none; b=a0/ZrX0nOj0mTsCcDK2DZdrtpP4rFKxUyWuHCYjGakpxmPF67BL/rwSN9AuQCzq3qJ5pM3ZEiEMaiB3z9drsnP3GwYviKL4BTPa/ZhBtuDH8qVqZbG05t2ez5EoxeAu1DLMf1QMgKsd/wApBtJcZU1vXpBdogM+4L83CRmbkC9Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756759848; c=relaxed/simple; bh=w09YN44Ob8oHKn+uyAjGgqeXNCZXncsfFv0uEPQT9KQ=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=W6juq1Kt3K/bzrnJ/tD/IfvACEft7riZjoPPfHFvMcPrzVrWjL2+cOBxZAqxpf58rQ1TRgbe3UBEq28gR8gLU+iTSFjmwOKYj2ykxNNkijwGXUlr0mpjwi3P6YtVzAb8lQ9rBRV8oQxftDIV+pwrgntBKdkpqBwA7KyvNgaIm70= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ionos.com; spf=pass smtp.mailfrom=ionos.com; dkim=pass (2048-bit key) header.d=ionos.com header.i=@ionos.com header.b=QVWzbnS6; arc=none smtp.client-ip=209.85.208.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ionos.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ionos.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ionos.com header.i=@ionos.com header.b="QVWzbnS6" Received: by mail-ed1-f49.google.com with SMTP id 4fb4d7f45d1cf-61cf429f4c2so8001924a12.1 for ; Mon, 01 Sep 2025 13:50:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ionos.com; s=google; t=1756759845; x=1757364645; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=3nlX/RfH4bxrhjLqRHCaPu5Q9689qctY9+oII9+YwlY=; b=QVWzbnS68cfJVWT1x41k0Vox8VFLJYY984lxcH1NdE+MWfg+wVnF4DZHMOtZFQSZbT mUZeVxn/YRZCwruyJaNFAH4HLppzBpwxhfa1mSjVMUOITlkk0OZjJOu4uyqOtz9Muh/g BUwoOaDwodyVOZaPxhJsmj27c4r6JVUNW2M0GAO4sjmWG2Nkx528+mnCtG6CcKfAXfjm hHqtT2zkrndHcRfu3nfyk/xQ16iVoUNSbQReCQMmauk9iQKxtbJOLj6AjGhdYa4KEVGS 0VoTuyEKKSRC+yrbwHVxNP1Ha41CMyjTojgjUn9bPQYJ2LhEM0pZ7NsiXQCWWicDr0Kx i2Vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756759845; x=1757364645; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3nlX/RfH4bxrhjLqRHCaPu5Q9689qctY9+oII9+YwlY=; b=RSS3AA0lg2+uOyO38X4aG5bETH/P1nT7o9ZLqUfjnwEgynZH+UK6qUYtCw86r2QpmO wLj1X6dXZ21e3tc1kVwi9j04IyPzKURoCnbDitsQiXtQuK66ppyT7jP4W3dkQa0qYURt iPpkD+Bq/OPBVaAMp2aO9GjhIDB3ojr6qEDFPFGVap+RvNpGdV76Gf9ccGhjQkDlwcIf s8u2gong6LBQUDTpNJH1tNPX8FOewUOrxZLnnf9xvYaOIyNmWBIQiK5cFSdioTVriCrE 8abqiDTSmDIyXoWF/pjfNs3Azucw2936WFtd8a8e+RPMDBy3F0FVf+DhSFKqjetdOBu7 T0Qg== X-Forwarded-Encrypted: i=1; AJvYcCWviVpzSnIBn8JRpwPnd+vBn9EIUMBzPvTGzUxaFdlTCCZu3seEwCgnlDoYQzdBNOg+H6F+8x/OpYtq@vger.kernel.org X-Gm-Message-State: AOJu0Yy4tm1CfpOKZBjwrbPizS2lSGK0vEtGadpigiX0wW1FTE11J1Qo enR68DVAqMot3o6bjxm1nTIFw7y8toMQGR+iODYmXDJhxP8Jh1cNYoeXGqX9Pua3HP8= X-Gm-Gg: ASbGncspYMLFQoD3PCeu/otCuGjEZMK+grQjw7UHOqLH4VMwVeyx5gSOVnA2h/pGyIH hwqUOqoHC6AoQMpGubiU5zbGbtDJLwDgzwCPyBtexVxCmHhF1oZdbWLd1xqDg1YZGus9vJOd1L2 OK8U8HPvcLJykeda+kpCAeoSaluRFclbiPF5SKLQXOAY9O4zrdf63eQyMhieDv43JnFOH46Rv/o 2s9ixhTU3Ay7OhLd9nBPjv5AvoE8aETFYHfQakaaXvwRvpK+IxguYcXUKdHuY+s8kNpaArL4OmD +WLQDmqJtSNDm8nka/tI978cDMrkJev+34ZD3cpfr/lBA31J7zM0ncNHD4EJxEqkk3yDA9YfWdE 56H/ihg3ZXNesTqkbFhUhIw7DLlJ0+wjSNbi9oftnyYR/2xdazU6aJmm4Xqp401HoKXfvWaP+nF RtTjwgns5BLWfuOyZX0e3nLQ== X-Google-Smtp-Source: AGHT+IFcANB8/RcKkowYdOQH/ARcgHa8um9z86mmrwre3BImDNI7cpbMntnFRJto6276WFxuuld4Aw== X-Received: by 2002:a17:906:6a27:b0:b04:302c:fe14 with SMTP id a640c23a62f3a-b04302d0545mr375148766b.21.1756759845048; Mon, 01 Sep 2025 13:50:45 -0700 (PDT) Received: from raven.intern.cm-ag (p200300dc6f1d0f00023064fffe740809.dip0.t-ipconnect.de. [2003:dc:6f1d:f00:230:64ff:fe74:809]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-afefcbd9090sm937339066b.69.2025.09.01.13.50.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Sep 2025 13:50:44 -0700 (PDT) From: Max Kellermann To: akpm@linux-foundation.org, david@redhat.com, axelrasmussen@google.com, yuanchu@google.com, willy@infradead.org, hughd@google.com, mhocko@suse.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, vishal.moola@gmail.com, linux@armlinux.org.uk, James.Bottomley@HansenPartnership.com, deller@gmx.de, agordeev@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, davem@davemloft.net, andreas@gaisler.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, chris@zankel.net, jcmvbkbc@gmail.com, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, weixugc@google.com, baolin.wang@linux.alibaba.com, rientjes@google.com, shakeel.butt@linux.dev, max.kellermann@ionos.com, thuth@redhat.com, broonie@kernel.org, osalvador@suse.de, jfalempe@redhat.com, mpe@ellerman.id.au, nysal@linux.ibm.com, linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v6 09/12] mm: constify ptdesc_pmd_pts_count() and folio_get_private() Date: Mon, 1 Sep 2025 22:50:18 +0200 Message-ID: <20250901205021.3573313-10-max.kellermann@ionos.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250901205021.3573313-1-max.kellermann@ionos.com> References: <20250901205021.3573313-1-max.kellermann@ionos.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit These functions from mm_types.h are trivial getters that should never write to the given pointers. Signed-off-by: Max Kellermann Reviewed-by: Vishal Moola (Oracle) Reviewed-by: Lorenzo Stoakes Acked-by: David Hildenbrand --- include/linux/mm_types.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index d934a3a5b443..275e8060d918 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -632,7 +632,7 @@ static inline void ptdesc_pmd_pts_dec(struct ptdesc *ptdesc) atomic_dec(&ptdesc->pt_share_count); } -static inline int ptdesc_pmd_pts_count(struct ptdesc *ptdesc) +static inline int ptdesc_pmd_pts_count(const struct ptdesc *ptdesc) { return atomic_read(&ptdesc->pt_share_count); } @@ -660,7 +660,7 @@ static inline void set_page_private(struct page *page, unsigned long private) page->private = private; } -static inline void *folio_get_private(struct folio *folio) +static inline void *folio_get_private(const struct folio *folio) { return folio->private; } -- 2.47.2