From nobody Mon Oct 6 17:06:24 2025 Received: from forward202d.mail.yandex.net (forward202d.mail.yandex.net [178.154.239.219]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9B69A194C86; Sun, 20 Jul 2025 09:55:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.219 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753005334; cv=none; b=QHr+HZw7bol9tbrywK8owUDQ+h6Zj6qi0dIOoYYmiqw2Yi6JEn3SEC8Lc+1rs6vKKIPb+D9OsmuQhTrUcW2FfWmd88YxFxXF6qQD5f3xk2hU2hBJ/+/7ALpYHvfoezByc4to5UA4IH/WYpoZJCC8lLxBVGxIef4ke5gXb87rIDQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753005334; c=relaxed/simple; bh=WkctRXxzP5UMPWQHUPe1aihz7uhRCVep2tbjby4NWu8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NK3oPy/PpbNBZuiNcrgCgI5K1I44/5hU5x+hehLAnemUDqlhOo8vsO1rnjn2ic8B+ARSGMNPk77w7kmnBgJswPtbjfIYJRVMFmSS2DzSfDQppbsAm95qShdahCSvkfxiIWb6wUw/9INCUYSvcM+MkJ4XNFJPjFsbGDKh2cV318M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=onurozkan.dev; spf=pass smtp.mailfrom=onurozkan.dev; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b=leUnF6WZ; arc=none smtp.client-ip=178.154.239.219 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b="leUnF6WZ" Received: from forward102d.mail.yandex.net (forward102d.mail.yandex.net [IPv6:2a02:6b8:c41:1300:1:45:d181:d102]) by forward202d.mail.yandex.net (Yandex) with ESMTPS id 078288AE08; Sun, 20 Jul 2025 12:49:05 +0300 (MSK) Received: from mail-nwsmtp-smtp-production-main-88.klg.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-88.klg.yp-c.yandex.net [IPv6:2a02:6b8:c42:e0cb:0:640:3e34:0]) by forward102d.mail.yandex.net (Yandex) with ESMTPS id 4A7E4C0085; Sun, 20 Jul 2025 12:48:55 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-88.klg.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id emMPSZxMxuQ0-qXoac0t1; Sun, 20 Jul 2025 12:48:54 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=mail; t=1753004934; bh=nElTx2N3XFovKfeAcDgMHY9SjrcZHcGdMY2vfvVQocA=; h=Cc:Message-ID:References:Date:In-Reply-To:Subject:To:From; b=leUnF6WZXVuUzVjrCN4LL64aALukOmc+Bc1MyenHcxzjhkHs1MCWQaM2L0fq3t6x2 0t7wFoa6dh5vZuDJ0i95XAYz8OeARpnG/HVwfT/LYuF02tAV9JQhLQKuxSIgUBDUJp tfCtDqiJPejwsMr3VGPBSUBwg+onegncDOOqTACo= Authentication-Results: mail-nwsmtp-smtp-production-main-88.klg.yp-c.yandex.net; dkim=pass header.i=@onurozkan.dev From: =?UTF-8?q?Onur=20=C3=96zkan?= To: rust-for-linux@vger.kernel.org Cc: dakr@kernel.org, ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, linux-kernel@vger.kernel.org, =?UTF-8?q?Onur=20=C3=96zkan?= Subject: [PATCH v1 1/3] rust: make `allocator::aligned_size` a `const fn` Date: Sun, 20 Jul 2025 12:48:36 +0300 Message-ID: <20250720094838.29530-2-work@onurozkan.dev> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250720094838.29530-1-work@onurozkan.dev> References: <20250720094838.29530-1-work@onurozkan.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Makes `allocator::aligned_size` a `const fn` to allow compile-time evaluation. Signed-off-by: Onur =C3=96zkan --- rust/kernel/alloc/allocator.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rust/kernel/alloc/allocator.rs b/rust/kernel/alloc/allocator.rs index aa2dfa9dca4c..aa2957fd585b 100644 --- a/rust/kernel/alloc/allocator.rs +++ b/rust/kernel/alloc/allocator.rs @@ -44,7 +44,7 @@ pub struct KVmalloc; /// Returns a proper size to alloc a new object aligned to `new_layout`'s = alignment. -fn aligned_size(new_layout: Layout) -> usize { +const fn aligned_size(new_layout: Layout) -> usize { // Customized layouts from `Layout::from_size_align()` can have size <= align, so pad first. let layout =3D new_layout.pad_to_align(); -- 2.50.0