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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 91D23C432C0 for ; Sun, 1 Dec 2019 01:49:37 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 49C432086A for ; Sun, 1 Dec 2019 01:49:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="TS8twS18" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 49C432086A 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 F266D6B026C; Sat, 30 Nov 2019 20:49:36 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id EAC776B026D; Sat, 30 Nov 2019 20:49:36 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D9C216B026E; Sat, 30 Nov 2019 20:49:36 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0167.hostedemail.com [216.40.44.167]) by kanga.kvack.org (Postfix) with ESMTP id B51516B026C for ; Sat, 30 Nov 2019 20:49:36 -0500 (EST) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 77ED72A87 for ; Sun, 1 Dec 2019 01:49:36 +0000 (UTC) X-FDA: 76214890752.07.tank54_8e0f377011234 X-HE-Tag: tank54_8e0f377011234 X-Filterd-Recvd-Size: 2822 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf33.hostedemail.com (Postfix) with ESMTP for ; Sun, 1 Dec 2019 01:49:36 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2C13B2084E; Sun, 1 Dec 2019 01:49:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575164975; bh=aC3UXHsLJBaoXZvVZuJ5ZHBRDyl7oCuZnjX4Fv4bwp4=; h=Date:From:To:Subject:From; b=TS8twS18zGxIvxnu3lfMawKwr+7QhKbCE4+B3w0YxT6Ps2/nTmZ7AQGMiV0UrXJot YTGNLhmJ7AdJ4071mzVEMIkG4WYVsN+iwkzXVrVajgi91UIWT1OY40s4wcQF39YlvK NYeuc7MJlouchjPnKN8cvAw3GtD4X4tfj82og0oc= Date: Sat, 30 Nov 2019 17:49:34 -0800 From: akpm@linux-foundation.org To: akpm@linux-foundation.org, cl@linux.com, iamjoonsoo.kim@lge.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, penberg@kernel.org, rientjes@google.com, torvalds@linux-foundation.org, yuzhao@google.com Subject: [patch 009/158] mm/slub.c: update comments Message-ID: <20191201014934.ftAafosqZ%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 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: Yu Zhao Subject: mm/slub.c: update comments Slub doesn't use PG_active and PG_error anymore. Link: http://lkml.kernel.org/r/20191007222023.162256-1-yuzhao@google.com Signed-off-by: Yu Zhao Reviewed-by: Andrew Morton Acked-by: David Rientjes Cc: Christoph Lameter Cc: Pekka Enberg Cc: Joonsoo Kim Signed-off-by: Andrew Morton --- mm/slub.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/mm/slub.c~mm-update-comments-in-slubc +++ a/mm/slub.c @@ -93,9 +93,7 @@ * minimal so we rely on the page allocators per cpu caches for * fast frees and allocs. * - * Overloading of page flags that are otherwise used for LRU management. - * - * PageActive The slab is frozen and exempt from list processing. + * page->frozen The slab is frozen and exempt from list processing. * This means that the slab is dedicated to a purpose * such as satisfying allocations for a specific * processor. Objects may be freed in the slab while @@ -111,7 +109,7 @@ * free objects in addition to the regular freelist * that requires the slab lock. * - * PageError Slab requires special handling due to debug + * SLAB_DEBUG_FLAGS Slab requires special handling due to debug * options set. This moves slab handling out of * the fast path and disables lockless freelists. */ _