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,URIBL_BLOCKED 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 66F86C43331 for ; Thu, 2 Apr 2020 04:04:19 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2B02A206E9 for ; Thu, 2 Apr 2020 04:04:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="E8yDKMGd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B02A206E9 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 D41688E0008; Thu, 2 Apr 2020 00:04:18 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CF2AD8E0007; Thu, 2 Apr 2020 00:04:18 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C096B8E0008; Thu, 2 Apr 2020 00:04:18 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0224.hostedemail.com [216.40.44.224]) by kanga.kvack.org (Postfix) with ESMTP id A8E9A8E0007 for ; Thu, 2 Apr 2020 00:04:18 -0400 (EDT) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 708BD8248047 for ; Thu, 2 Apr 2020 04:04:18 +0000 (UTC) X-FDA: 76661572596.19.stem81_2591f85182f61 X-HE-Tag: stem81_2591f85182f61 X-Filterd-Recvd-Size: 2691 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf23.hostedemail.com (Postfix) with ESMTP for ; Thu, 2 Apr 2020 04:04:17 +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 020A420747; Thu, 2 Apr 2020 04:04:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585800257; bh=juniIhhjB2qqx1EO9VlZXWfN4RE04U1gS8nadnp3azU=; h=Date:From:To:Subject:In-Reply-To:From; b=E8yDKMGd/QX/GDz1o8RVQhBvyZc5p+QDxkcNJgv1jECgM9Y9rZGgaJPnA3EvQ+qgi stoCatLiN4xUwCAWPUMFyXbBiu4rFrXFPrlXEr26vEfRQZFuUtqNEflLseguyVxIDO pz8DezsAKtZ4iD9NZ7qNwC22+UEXcMDdCLSibuOQ= Date: Wed, 01 Apr 2020 21:04:16 -0700 From: Andrew Morton To: akpm@linux-foundation.org, chenqiwu@xiaomi.com, 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 Subject: [patch 022/155] mm/slub.c: replace cpu_slab->partial with wrapped APIs Message-ID: <20200402040416.1PpRnkdgc%akpm@linux-foundation.org> In-Reply-To: <20200401210155.09e3b9742e1c6e732f5a7250@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: chenqiwu Subject: mm/slub.c: replace cpu_slab->partial with wrapped APIs There are slub_percpu_partial() and slub_set_percpu_partial() APIs to wrap kmem_cache->cpu_partial. This patch will use the two to replace cpu_slab->partial in slub code. Link: http://lkml.kernel.org/r/1581951895-3038-1-git-send-email-qiwuchen55@gmail.com Signed-off-by: chenqiwu Reviewed-by: Andrew Morton Cc: Christoph Lameter Cc: Pekka Enberg Cc: David Rientjes Cc: Joonsoo Kim Signed-off-by: Andrew Morton --- mm/slub.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/slub.c~mm-slubc-replace-cpu_slab-partial-with-wrapped-apis +++ a/mm/slub.c @@ -2205,11 +2205,11 @@ static void unfreeze_partials(struct kme struct kmem_cache_node *n = NULL, *n2 = NULL; struct page *page, *discard_page = NULL; - while ((page = c->partial)) { + while ((page = slub_percpu_partial(c))) { struct page new; struct page old; - c->partial = page->next; + slub_set_percpu_partial(c, page); n2 = get_node(s, page_to_nid(page)); if (n != n2) { _