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=-4.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, PDS_TONAME_EQ_TOLOCAL_VSHORT,SPF_HELO_NONE,SPF_PASS autolearn=no 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 A2DE7C07E95 for ; Sun, 4 Jul 2021 09:24:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 850BD613DD for ; Sun, 4 Jul 2021 09:24:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229543AbhGDJVQ (ORCPT ); Sun, 4 Jul 2021 05:21:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229492AbhGDJVQ (ORCPT ); Sun, 4 Jul 2021 05:21:16 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D633BC061762 for ; Sun, 4 Jul 2021 02:18:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ia2Yrz2eLprWC3bTz7vKqcsI8jsgfQIiOUZrEoYqeB4=; b=DrQSe0m32TupCg8vyy8C75tqQB lpx9SqMfuNiV/DWS0RLYRuvAlv8g70tNs9kdfFe0z+OJQTltH5vFyMnwFkGSYs95S/1iVaQSO3bwV Dh4qwgNmiKxtGVjwnixoKbm3qmJRgorRCfY+c/OKGuvKy0LbF84T6FUwBN/wKBVhfk7SGaDXC/f8R 3776KP5MXguIaEJgQof68qHKcwnZgn5C9u/+lMlS0p+Y0iUmtwVuj6Mrt2Tnld8Y+VRv0acZf6W51 y43mRGRgjAVJVduisQKICvFs4n63ZN7NDeiCWs9wr6GMZoZxc7JYI9qZ7eq4DpzgrtQdpnKzxC2Ds CTZO9GeQ==; Received: from hch by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1lzyF5-009CHg-6s; Sun, 04 Jul 2021 09:16:58 +0000 Date: Sun, 4 Jul 2021 10:16:47 +0100 From: Christoph Hellwig To: "wuqiang.matt" Cc: naveen.n.rao@linux.ibm.com, anil.s.keshavamurthy@intel.com, davem@davemloft.net, mhiramat@kernel.org, mingo@kernel.org, peterz@infradead.org, linux-kernel@vger.kernel.org, mattwu@163.com Subject: Re: [PATCH] kretprobe scalability improvement Message-ID: References: <20210703102818.20766-1-wuqiang.matt@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210703102818.20766-1-wuqiang.matt@bytedance.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Would it make sense to just reuse kernel/bpf/percpu_freelist.c for kretprobes?