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 B14C8C43331 for ; Thu, 2 Apr 2020 04:04:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 71EE920747 for ; Thu, 2 Apr 2020 04:04:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="DHWAjPIy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71EE920747 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 21F788E000B; Thu, 2 Apr 2020 00:04:22 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1CEE78E0007; Thu, 2 Apr 2020 00:04:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 10CFD8E000B; Thu, 2 Apr 2020 00:04:22 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0116.hostedemail.com [216.40.44.116]) by kanga.kvack.org (Postfix) with ESMTP id ED5FF8E0007 for ; Thu, 2 Apr 2020 00:04:21 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id B66DA482A for ; Thu, 2 Apr 2020 04:04:21 +0000 (UTC) X-FDA: 76661572722.08.queen66_2609bac5ee329 X-HE-Tag: queen66_2609bac5ee329 X-Filterd-Recvd-Size: 3494 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf49.hostedemail.com (Postfix) with ESMTP for ; Thu, 2 Apr 2020 04:04:21 +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 367D720776; Thu, 2 Apr 2020 04:04:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585800260; bh=aCkOt5nnyZBEqzmfNxOsS1azBa59GtHfXQ8RuJQDkJ4=; h=Date:From:To:Subject:In-Reply-To:From; b=DHWAjPIyGzJcgW0IqbL2UL5qXmwIwKE2Z3CJsdl9jQloGIFz/Ylw8BcuU0qMHG6sD 31ZElWaDlCHdY9ZVl0fQNWmMxxMrOmvKFfvs8ZvKUhIsb0KQ6qEerbZRX6VyY9a9Y9 iWlHrJSWyOePi2lgaaDPqV4XI08ScFnwwOY0mook= Date: Wed, 01 Apr 2020 21:04:19 -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 023/155] mm/slub.c: replace kmem_cache->cpu_partial with wrapped APIs Message-ID: <20200402040419.bP0XlMVpa%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 kmem_cache->cpu_partial with wrapped APIs There are slub_cpu_partial() and slub_set_cpu_partial() APIs to wrap kmem_cache->cpu_partial. This patch will use the two APIs to replace kmem_cache->cpu_partial in slub code. Link: http://lkml.kernel.org/r/1582079562-17980-1-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 | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) --- a/mm/slub.c~mm-slubc-replace-kmem_cache-cpu_partial-with-wrapped-apis +++ a/mm/slub.c @@ -2282,7 +2282,7 @@ static void put_cpu_partial(struct kmem_ if (oldpage) { pobjects = oldpage->pobjects; pages = oldpage->pages; - if (drain && pobjects > s->cpu_partial) { + if (drain && pobjects > slub_cpu_partial(s)) { unsigned long flags; /* * partial array is full. Move the existing @@ -2307,7 +2307,7 @@ static void put_cpu_partial(struct kmem_ } while (this_cpu_cmpxchg(s->cpu_slab->partial, oldpage, page) != oldpage); - if (unlikely(!s->cpu_partial)) { + if (unlikely(!slub_cpu_partial(s))) { unsigned long flags; local_irq_save(flags); @@ -3512,15 +3512,15 @@ static void set_cpu_partial(struct kmem_ * 50% to keep some capacity around for frees. */ if (!kmem_cache_has_cpu_partial(s)) - s->cpu_partial = 0; + slub_set_cpu_partial(s, 0); else if (s->size >= PAGE_SIZE) - s->cpu_partial = 2; + slub_set_cpu_partial(s, 2); else if (s->size >= 1024) - s->cpu_partial = 6; + slub_set_cpu_partial(s, 6); else if (s->size >= 256) - s->cpu_partial = 13; + slub_set_cpu_partial(s, 13); else - s->cpu_partial = 30; + slub_set_cpu_partial(s, 30); #endif } _