From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D575C433E0 for ; Mon, 18 Jan 2021 22:54:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22C6722241 for ; Mon, 18 Jan 2021 22:54:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389880AbhARWys (ORCPT ); Mon, 18 Jan 2021 17:54:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731791AbhARWyj (ORCPT ); Mon, 18 Jan 2021 17:54:39 -0500 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34DF9C061573 for ; Mon, 18 Jan 2021 14:53:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=j91181JSgYI8g1sA6WaGkpGkvJ3oK1sV+oKNbvr6sd0=; b=w1XpGYdDUt/+bruJS1bJr7pVKo rPBKxJ7D3y5Hw0V12q0ZbxD3+meXB62oluAmJiCVtYSzARHIcdLgEEzD+mH9K+m9YiMN69Nu6xqMY igbLeuwxoiIy8/qOnPnVV9PUAgbKhpMFlu5rdXFeFfoyfE46RN8XkHP4iWCCTE5fWSb45YOioiwq8 ixvcq4sKNHpgivKViqVCbiHDg8hlTCo1LzDCO3+nMr2YBOJOagpZ1IQ/iDt6Bf+gKZs47J0mzqalh 9vHOb8FYEowLJC39bKo5cvQJuiJm6TjJw0+p37UEHKhYG0/81/NFqsTy1y7qL9dT9CBoiqXAo10Ri NIvaZvZQ==; Received: from [2601:1c0:6280:3f0::9abc] by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1l1dPC-0004l9-4s; Mon, 18 Jan 2021 22:53:50 +0000 Subject: Re: [PATCH v5 1/2] lib: stackdepot: Add support to configure STACK_HASH_SIZE To: vjitta@codeaurora.org, minchan@kernel.org, glider@google.com, akpm@linux-foundation.org, dan.j.williams@intel.com, broonie@kernel.org, mhiramat@kernel.org Cc: linux-kernel@vger.kernel.org, ylal@codeaurora.org, vinmenon@codeaurora.org, Vineet Gupta , "linux-snps-arc@lists.infradead.org" References: <1610963802-11042-1-git-send-email-vjitta@codeaurora.org> From: Randy Dunlap Message-ID: <2f12a84c-132b-7141-a89e-9e19de0e4b90@infradead.org> Date: Mon, 18 Jan 2021 14:53:43 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <1610963802-11042-1-git-send-email-vjitta@codeaurora.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/18/21 1:56 AM, vjitta@codeaurora.org wrote: > From: Yogesh Lal > > Use CONFIG_STACK_HASH_ORDER to configure STACK_HASH_SIZE. > > Aim is to have configurable value for STACK_HASH_SIZE, > so depend on use case one can configure it. > > One example is of Page Owner, default value of > STACK_HASH_SIZE lead stack depot to consume 8MB of static memory. > Making it configurable and use lower value helps to enable features like > CONFIG_PAGE_OWNER without any significant overhead. > > Signed-off-by: Yogesh Lal > Signed-off-by: Vinayak Menon > Signed-off-by: Vijayanand Jitta Hi, Did you see https://lore.kernel.org/lkml/202101050729.cwTd47Yw-lkp@intel.com/ It seems that arch/arc/ does not have: arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks': (.text+0x6): undefined reference to `__irqentry_text_start' >> arc-elf-ld: (.text+0x6): undefined reference to `__irqentry_text_start' >> arc-elf-ld: (.text+0x26): undefined reference to `__irqentry_text_end' >> arc-elf-ld: (.text+0x26): undefined reference to `__irqentry_text_end' >> arc-elf-ld: (.text+0x34): undefined reference to `__softirqentry_text_start' >> arc-elf-ld: (.text+0x34): undefined reference to `__softirqentry_text_start' >> arc-elf-ld: (.text+0x3c): undefined reference to `__softirqentry_text_end' >> arc-elf-ld: (.text+0x3c): undefined reference to `__softirqentry_text_end' -- ~Randy You can't do anything without having to do something else first. -- Belefant's Law