From patchwork Tue Jan 26 09:57:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikolay Borisov X-Patchwork-Id: 12046057 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 CD9A6C433E0 for ; Tue, 26 Jan 2021 09:57:39 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6243722B37 for ; Tue, 26 Jan 2021 09:57:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6243722B37 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B139F8D00BD; Tue, 26 Jan 2021 04:57:38 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A9BCD8D00B0; Tue, 26 Jan 2021 04:57:38 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 989ED8D00BD; Tue, 26 Jan 2021 04:57:38 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0198.hostedemail.com [216.40.44.198]) by kanga.kvack.org (Postfix) with ESMTP id 7F69A8D00B0 for ; Tue, 26 Jan 2021 04:57:38 -0500 (EST) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 3D8A41190A for ; Tue, 26 Jan 2021 09:57:38 +0000 (UTC) X-FDA: 77747474196.09.jeans73_1e034af2758d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin09.hostedemail.com (Postfix) with ESMTP id 1566C1816BB70 for ; Tue, 26 Jan 2021 09:57:38 +0000 (UTC) X-HE-Tag: jeans73_1e034af2758d X-Filterd-Recvd-Size: 5046 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Tue, 26 Jan 2021 09:57:37 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1611655056; 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; bh=J2YAp00To6ZpTmtmXIBT0HsgLeWw1hqLdFG8qyuFsJk=; b=o8d6OPDjJ8WvdwDUWWca238nu1LDHE/fH6XPBf5ACGVb4AHFkEu+fw/Im6ok8FQLc6RulZ 06Vy0BVHHPwxufi98Mp1sPnQR1LKpnXKaMXY1TeJFGbIFGpKGKm7XaU8XYzoz8I5x4aT3T F8OPXN7ojwSM5glYJ0kiDrz9Em88M9E= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3D87CAE40; Tue, 26 Jan 2021 09:57:36 +0000 (UTC) From: Nikolay Borisov To: vbabka@suse.cz, linux-mm@kvack.org Cc: cl@linux.com, penberg@kernel.org, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, Nikolay Borisov Subject: [PATCH] mm: Remove ctor argument from kmem_cache_flags Date: Tue, 26 Jan 2021 11:57:33 +0200 Message-Id: <20210126095733.974665-1-nborisov@suse.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 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: This argument hasn't been used since e153362a50a3 ("slub: Remove objsize check in kmem_cache_flags()") so simply remove it. Signed-off-by: Nikolay Borisov Reviewed-by: Miaohe Lin Reviewed-by: Vlastimil Babka Acked-by: David Rientjes --- mm/slab.c | 3 +-- mm/slab.h | 6 ++---- mm/slab_common.c | 2 +- mm/slub.c | 9 +++------ 4 files changed, 7 insertions(+), 13 deletions(-) diff --git a/mm/slab.c b/mm/slab.c index d7c8da9319c7..e2d2044389ea 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1790,8 +1790,7 @@ static int __ref setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp) } slab_flags_t kmem_cache_flags(unsigned int object_size, - slab_flags_t flags, const char *name, - void (*ctor)(void *)) + slab_flags_t flags, const char *name) { return flags; } diff --git a/mm/slab.h b/mm/slab.h index 1a756a359fa8..9e83616bb5b4 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -110,8 +110,7 @@ __kmem_cache_alias(const char *name, unsigned int size, unsigned int align, slab_flags_t flags, void (*ctor)(void *)); slab_flags_t kmem_cache_flags(unsigned int object_size, - slab_flags_t flags, const char *name, - void (*ctor)(void *)); + slab_flags_t flags, const char *name); #else static inline struct kmem_cache * __kmem_cache_alias(const char *name, unsigned int size, unsigned int align, @@ -119,8 +118,7 @@ __kmem_cache_alias(const char *name, unsigned int size, unsigned int align, { return NULL; } static inline slab_flags_t kmem_cache_flags(unsigned int object_size, - slab_flags_t flags, const char *name, - void (*ctor)(void *)) + slab_flags_t flags, const char *name) { return flags; } diff --git a/mm/slab_common.c b/mm/slab_common.c index e981c80d216c..fef51f9401e4 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -197,7 +197,7 @@ struct kmem_cache *find_mergeable(unsigned int size, unsigned int align, size = ALIGN(size, sizeof(void *)); align = calculate_alignment(flags, align, size); size = ALIGN(size, align); - flags = kmem_cache_flags(size, flags, name, NULL); + flags = kmem_cache_flags(size, flags, name); if (flags & SLAB_NEVER_MERGE) return NULL; diff --git a/mm/slub.c b/mm/slub.c index 69742ab9a21d..9821470090f0 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1400,7 +1400,6 @@ __setup("slub_debug", setup_slub_debug); * @object_size: the size of an object without meta data * @flags: flags to set * @name: name of the cache - * @ctor: constructor function * * Debug option(s) are applied to @flags. In addition to the debug * option(s), if a slab name (or multiple) is specified i.e. @@ -1408,8 +1407,7 @@ __setup("slub_debug", setup_slub_debug); * then only the select slabs will receive the debug option(s). */ slab_flags_t kmem_cache_flags(unsigned int object_size, - slab_flags_t flags, const char *name, - void (*ctor)(void *)) + slab_flags_t flags, const char *name) { char *iter; size_t len; @@ -1474,8 +1472,7 @@ static inline void add_full(struct kmem_cache *s, struct kmem_cache_node *n, static inline void remove_full(struct kmem_cache *s, struct kmem_cache_node *n, struct page *page) {} slab_flags_t kmem_cache_flags(unsigned int object_size, - slab_flags_t flags, const char *name, - void (*ctor)(void *)) + slab_flags_t flags, const char *name) { return flags; } @@ -3783,7 +3780,7 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) static int kmem_cache_open(struct kmem_cache *s, slab_flags_t flags) { - s->flags = kmem_cache_flags(s->size, flags, s->name, s->ctor); + s->flags = kmem_cache_flags(s->size, flags, s->name); #ifdef CONFIG_SLAB_FREELIST_HARDENED s->random = get_random_long(); #endif