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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 02F77C433B4 for ; Fri, 7 May 2021 01:02:16 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A543B610FA for ; Fri, 7 May 2021 01:02:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A543B610FA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 456086B0074; Thu, 6 May 2021 21:02:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 42CDA6B0075; Thu, 6 May 2021 21:02:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3447B6B0078; Thu, 6 May 2021 21:02:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0221.hostedemail.com [216.40.44.221]) by kanga.kvack.org (Postfix) with ESMTP id 1B30B6B0074 for ; Thu, 6 May 2021 21:02:15 -0400 (EDT) Received: from smtpin34.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id CA3333620 for ; Fri, 7 May 2021 01:02:14 +0000 (UTC) X-FDA: 78112633788.34.B3EE34A Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf03.hostedemail.com (Postfix) with ESMTP id 30632C0007CE for ; Fri, 7 May 2021 01:02:07 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 99DF6611EE; Fri, 7 May 2021 01:02:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1620349333; bh=KhSCk+ZQc5ZKoaI/8/FZbZd7J8mNBUiVzpO9VoBdA30=; h=Date:From:To:Subject:In-Reply-To:From; b=irmUPySYSIuExOEOx6k6JBHWEZuRSvP91D4KgN5Is0vER795LR5irxcQ2MZd9bTOq niah9cwKR58E7bvJIWV+b9674stlpk6Mu8REpAR4FLywCCCp4WrZA42whE8S72qi23 AxpqqOCconUyi/RBJGp3MHEj/S58ukcTbMbCbrTY= Date: Thu, 06 May 2021 18:02:13 -0700 From: Andrew Morton To: adobriyan@gmail.com, akpm@linux-foundation.org, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 04/91] proc: save LOC in __xlate_proc_name() Message-ID: <20210507010213.V8MhqooKS%akpm@linux-foundation.org> In-Reply-To: <20210506180126.03e1baee7ca52bedb6cc6003@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 30632C0007CE Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=irmUPySY; dmarc=none; spf=pass (imf03.hostedemail.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Rspamd-Server: rspam04 X-Stat-Signature: 4xcqy6iuu6xjx1e5mkwwosaqawh8oz38 Received-SPF: none (linux-foundation.org>: No applicable sender policy available) receiver=imf03; identity=mailfrom; envelope-from=""; helo=mail.kernel.org; client-ip=198.145.29.99 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1620349327-337938 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Alexey Dobriyan Subject: proc: save LOC in __xlate_proc_name() Can't look at this verbosity anymore. Link: https://lkml.kernel.org/r/YFYXAp/fgq405qcy@localhost.localdomain Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton --- fs/proc/generic.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) --- a/fs/proc/generic.c~proc-save-loc-in-__xlate_proc_name +++ a/fs/proc/generic.c @@ -166,15 +166,8 @@ static int __xlate_proc_name(const char const char *cp = name, *next; struct proc_dir_entry *de; - de = *ret; - if (!de) - de = &proc_root; - - while (1) { - next = strchr(cp, '/'); - if (!next) - break; - + de = *ret ?: &proc_root; + while ((next = strchr(cp, '/'))) { de = pde_subdir_find(de, cp, next - cp); if (!de) { WARN(1, "name '%s'\n", name); _