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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 352A6ECAAA1 for ; Mon, 19 Sep 2022 21:33:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229846AbiISVd4 (ORCPT ); Mon, 19 Sep 2022 17:33:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229698AbiISVdz (ORCPT ); Mon, 19 Sep 2022 17:33:55 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7CE04D4E3 for ; Mon, 19 Sep 2022 14:33:54 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 6256AB81BC2 for ; Mon, 19 Sep 2022 21:33:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 283D0C433D6; Mon, 19 Sep 2022 21:33:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1663623232; bh=elpTJ/5nc4FdxUXgq2Ub2tJRjEkBIznCvyqusWFrtq0=; h=Date:To:From:Subject:From; b=ahj1QF2ja7+wcYpz2KZNkMOKPtRhC/Fz1GNWZeXwXUEvlT4t2hgiVV6sOHb/r4/pO F3wCCkwsN2UzZ5V2tcsccz3lBx95oAZIhuU1I92W6tis61RKSbVMM66Jzsq4pdg6DH ehOiNLNd4BrvMu4y2HDY5MrKlTwjw4ODsMNJ1qQ4= Date: Mon, 19 Sep 2022 14:33:43 -0700 To: mm-commits@vger.kernel.org, mgorman@techsingularity.net, ran.xiaokai@zte.com.cn, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-page_alloc-update-comments-for-rmqueue.patch added to mm-unstable branch Message-Id: <20220919213351.283D0C433D6@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/page_alloc: update comments for rmqueue() has been added to the -mm mm-unstable branch. Its filename is mm-page_alloc-update-comments-for-rmqueue.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-update-comments-for-rmqueue.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Ran Xiaokai Subject: mm/page_alloc: update comments for rmqueue() Date: Sun, 18 Sep 2022 02:56:40 +0000 Since commit 44042b449872 ("mm/page_alloc: allow high-order pages to be stored on the per-cpu lists"), the per-cpu page allocators (PCP) is not only for order-0 pages. Update the comments. Link: https://lkml.kernel.org/r/20220918025640.208586-1-ran.xiaokai@zte.com.cn Signed-off-by: Ran Xiaokai Cc: Mel Gorman Signed-off-by: Andrew Morton --- --- a/mm/page_alloc.c~mm-page_alloc-update-comments-for-rmqueue +++ a/mm/page_alloc.c @@ -3810,7 +3810,8 @@ static struct page *rmqueue_pcplist(stru } /* - * Allocate a page from the given zone. Use pcplists for order-0 allocations. + * Allocate a page from the given zone. + * Use pcplists for THP or "cheap" high-order allocations. */ /* _ Patches currently in -mm which might be from ran.xiaokai@zte.com.cn are mm-page_alloc-update-comments-for-rmqueue.patch