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=-18.8 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,USER_AGENT_GIT 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 C3C1BC433EF for ; Sat, 4 Sep 2021 10:50:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABDCB60F21 for ; Sat, 4 Sep 2021 10:50:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351210AbhIDKvd (ORCPT ); Sat, 4 Sep 2021 06:51:33 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:41768 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351050AbhIDKvM (ORCPT ); Sat, 4 Sep 2021 06:51:12 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 5F37120043; Sat, 4 Sep 2021 10:50:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1630752610; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PfHGUcxOtQcpRocYMBeT8o2Jhck+B4VvflfszUTFIlo=; b=L8wBa14+6rOBmdxbqli0ZAEKt9XtYziwjLPqQFiZHjnwXYBt0uVSmpdsBeWGwIpfK5JrWH vR3H3QJIRTrNy/0aT1rjOPLh/03GY2B+Ht1mTqTli6XHFt9SpmO4d3kCLkxP0ujoz037bp 76zVwhRm36oQTTLGSydm/CTSRNyYs78= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1630752610; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PfHGUcxOtQcpRocYMBeT8o2Jhck+B4VvflfszUTFIlo=; b=iKrVkmIiNZs5sbxcg8kn7mtq04xuKTxWF/4M8MCxIUIO23zZbCOdeqLGzJZIurq53JnDPx NT/j2hyIM+VCFUDg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 35D9C1348A; Sat, 4 Sep 2021 10:50:10 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id oNuQDGJPM2HoUQAAMHmgww (envelope-from ); Sat, 04 Sep 2021 10:50:10 +0000 From: Vlastimil Babka To: linux-mm@kvack.org, Christoph Lameter , David Rientjes , Pekka Enberg , Joonsoo Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, Mike Galbraith , Sebastian Andrzej Siewior , Thomas Gleixner , Mel Gorman , Vlastimil Babka Subject: [PATCH v6 06/33] mm, slub: extract get_partial() from new_slab_objects() Date: Sat, 4 Sep 2021 12:49:36 +0200 Message-Id: <20210904105003.11688-7-vbabka@suse.cz> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210904105003.11688-1-vbabka@suse.cz> References: <20210904105003.11688-1-vbabka@suse.cz> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1720; h=from:subject; bh=kYxcK2mGmSvDL/oEhPAmYyZKFYaxCLv8j4pwx4P+nVc=; b=owEBbQGS/pANAwAIAeAhynPxiakQAcsmYgBhM08Vu1Gk0CUPDhgyTeaHd2tVrIAHgUC+VFDy5d8p y45osPKJATMEAAEIAB0WIQSNS5MBqTXjGL5IXszgIcpz8YmpEAUCYTNPFQAKCRDgIcpz8YmpEPiYB/ 9z/GmUQcFqBuhe+YVBkVJwa3H7gYbISl/qWC7cemv9ov2E/wG3p5f821e1sg3QS0kZ/hrBzeaHUxCS NyAEspLAIcLWT9YQm9MPViS0dQtBIKUGheoFH7VZ9PUXHHse4Qo3FtFjTyAT0L5T7T7kSd5Y5v7mnE jDF86N0iZn8eTH7FMUdXPh2qGtSdCqz6dnXBcnhIwXWmnveOI94dyD7PK/DYOrR8vMx9YkgvicWQxz ysOT8KUb4PBLGR+I9wC2G1Gvb89IvIpCO5aRUVCSCtK3WgIJxyyXjNZzOSl/jqVmdN8rwVU1jkUwPJ I8oBaXZWM+Lqw/Rl+f2/HbHxYR10QJ X-Developer-Key: i=vbabka@suse.cz; a=openpgp; fpr=A940D434992C2E8E99103D50224FA7E7CC82A664 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The later patches will need more fine grained control over individual actions in ___slab_alloc(), the only caller of new_slab_objects(), so this is a first preparatory step with no functional change. This adds a goto label that appears unnecessary at this point, but will be useful for later changes. Signed-off-by: Vlastimil Babka Acked-by: Christoph Lameter --- mm/slub.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 79e53303844c..cd6aeeec4417 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2613,17 +2613,12 @@ slab_out_of_memory(struct kmem_cache *s, gfp_t gfpflags, int nid) static inline void *new_slab_objects(struct kmem_cache *s, gfp_t flags, int node, struct kmem_cache_cpu **pc) { - void *freelist; + void *freelist = NULL; struct kmem_cache_cpu *c = *pc; struct page *page; WARN_ON_ONCE(s->ctor && (flags & __GFP_ZERO)); - freelist = get_partial(s, flags, node, c); - - if (freelist) - return freelist; - page = new_slab(s, flags, node); if (page) { c = raw_cpu_ptr(s->cpu_slab); @@ -2787,6 +2782,10 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, goto redo; } + freelist = get_partial(s, gfpflags, node, c); + if (freelist) + goto check_new_page; + freelist = new_slab_objects(s, gfpflags, node, &c); if (unlikely(!freelist)) { @@ -2794,6 +2793,7 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, return NULL; } +check_new_page: page = c->page; if (likely(!kmem_cache_debug(s) && pfmemalloc_match(page, gfpflags))) goto load_freelist; -- 2.33.0