From patchwork Mon Feb 10 08:52:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 11372791 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 336FD109A for ; Mon, 10 Feb 2020 08:53:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1E90A21739 for ; Mon, 10 Feb 2020 08:53:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727477AbgBJIxA (ORCPT ); Mon, 10 Feb 2020 03:53:00 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:59939 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727121AbgBJIxA (ORCPT ); Mon, 10 Feb 2020 03:53:00 -0500 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1j14oK-0006s0-CM; Mon, 10 Feb 2020 08:52:56 +0000 From: Colin King To: "Rafael J . Wysocki" , Len Brown , Bjorn Helgaas , linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] PCI/ACPI: make array pcie_to_hpx3_type static const, makes object smaller Date: Mon, 10 Feb 2020 08:52:56 +0000 Message-Id: <20200210085256.319424-1-colin.king@canonical.com> X-Mailer: git-send-email 2.25.0 MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Colin Ian King Don't populate the array pcie_to_hpx3_type on the stack but instead make it static const. Makes the object code smaller by 6 bytes: Before: text data bss dec hex filename 19247 3048 64 22359 5757 drivers/pci/pci-acpi.o After: text data bss dec hex filename 19177 3112 64 22353 5751 drivers/pci/pci-acpi.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King --- drivers/pci/pci-acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 0c02d500158f..d914f8bc31ea 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -439,7 +439,7 @@ enum hpx_type3_dev_type { static u16 hpx3_device_type(struct pci_dev *dev) { u16 pcie_type = pci_pcie_type(dev); - const int pcie_to_hpx3_type[] = { + static const int pcie_to_hpx3_type[] = { [PCI_EXP_TYPE_ENDPOINT] = HPX_TYPE_ENDPOINT, [PCI_EXP_TYPE_LEG_END] = HPX_TYPE_LEG_END, [PCI_EXP_TYPE_RC_END] = HPX_TYPE_RC_END,