From nobody Mon Feb 9 04:39:09 2026 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DC92758AA8 for ; Thu, 21 Mar 2024 13:23:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711027408; cv=none; b=hzWu2xnNTgWhqCZd1jwe2KPYxXMfCTiYRKI2xj6IyNNrowPSxbRkSJv0G9nhBD6Q2+PTkTpb5BaCmhGbZcIScCjXlDL41Oyl4PYc/Tf4rlTNN8CEfHoLqEt2u7tSE/kP23VJjiiJMgyXgWGYaFgihYaM0FhIwbPMjOKxml8QZO0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711027408; c=relaxed/simple; bh=q7+HFeVPV5wCPZnCZJ1tlU5gT8zKONBd02F6Aa8xQY4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=rV/ZGWQi81vmPFDDLrl/z4Ot/VSpUEnw5XXVkiUTpoiXHAW9edjBdeFvdkxA99M5agBY8CWI/X7S8sMd8YCYyPHGmXy655JcYxBBrdHJZpaEOTnLgIuP7+uGmpwF4pdp5vkqP2BsBZWGDhoClDYeJxhABhha+ECf8ugBXc7C29o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4V0mNx3ShVz4f3mJM for ; Thu, 21 Mar 2024 21:23:13 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id 6FD881A0175 for ; Thu, 21 Mar 2024 21:23:21 +0800 (CST) Received: from huaweicloud.com (unknown [10.67.174.26]) by APP1 (Coremail) with SMTP id cCh0CgBHGBHINPxlPY+PHg--.33576S4; Thu, 21 Mar 2024 21:23:21 +0800 (CST) From: Xiu Jianfeng To: cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, vbabka@suse.cz, roman.gushchin@linux.dev, 42.hyeyoo@gmail.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, xiujianfeng@huawei.com Subject: [PATCH v2 -next] mm/slub: remove dummy slabinfo functions Date: Thu, 21 Mar 2024 13:17:33 +0000 Message-Id: <20240321131733.268615-1-xiujianfeng@huaweicloud.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: cCh0CgBHGBHINPxlPY+PHg--.33576S4 X-Coremail-Antispam: 1UD129KBjvJXoW7tFyrCrW3Wr43Gw4UWw47twb_yoW8uw1DpF 4fKw1fGa48Kr1vgr4DGF48Z34Sg3ZFkFW5GrZ2qasavr1UJw1vgrn5t3ykZ3y5WFyku397 Xw4v9FyrX34DJrDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkYb4IE77IF4wAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4 vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7Cj xVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxV AFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2 j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7x kEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACI402YVCY1x02628vn2kIc2xKxwCF04k20xvY 0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I 0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAI cVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcV CF04k26cxKx2IYs7xG6rW3Jr0E3s1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280 aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU1zuWJUUUUU== X-CM-SenderInfo: x0lxyxpdqiv03j6k3tpzhluzxrxghudrp/ Content-Type: text/plain; charset="utf-8" From: Xiu Jianfeng The SLAB implementation has been removed since 6.8, so there is no other version of slabinfo_show_stats() and slabinfo_write(), then we can remove these two dummy functions. Signed-off-by: Xiu Jianfeng Acked-by: David Rientjes --- v2: correct removed version --- mm/slab.h | 3 --- mm/slab_common.c | 2 -- mm/slub.c | 10 ---------- 3 files changed, 15 deletions(-) diff --git a/mm/slab.h b/mm/slab.h index d2bc9b191222..78e205b46e19 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -496,9 +496,6 @@ struct slabinfo { }; =20 void get_slabinfo(struct kmem_cache *s, struct slabinfo *sinfo); -void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *s); -ssize_t slabinfo_write(struct file *file, const char __user *buffer, - size_t count, loff_t *ppos); =20 #ifdef CONFIG_SLUB_DEBUG #ifdef CONFIG_SLUB_DEBUG_ON diff --git a/mm/slab_common.c b/mm/slab_common.c index f5234672f03c..67c03d6bd26c 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1078,7 +1078,6 @@ static void cache_show(struct kmem_cache *s, struct s= eq_file *m) sinfo.limit, sinfo.batchcount, sinfo.shared); seq_printf(m, " : slabdata %6lu %6lu %6lu", sinfo.active_slabs, sinfo.num_slabs, sinfo.shared_avail); - slabinfo_show_stats(m, s); seq_putc(m, '\n'); } =20 @@ -1155,7 +1154,6 @@ static const struct proc_ops slabinfo_proc_ops =3D { .proc_flags =3D PROC_ENTRY_PERMANENT, .proc_open =3D slabinfo_open, .proc_read =3D seq_read, - .proc_write =3D slabinfo_write, .proc_lseek =3D seq_lseek, .proc_release =3D seq_release, }; diff --git a/mm/slub.c b/mm/slub.c index 1bb2a93cf7b6..cc7e68fbdbba 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -7099,14 +7099,4 @@ void get_slabinfo(struct kmem_cache *s, struct slabi= nfo *sinfo) sinfo->objects_per_slab =3D oo_objects(s->oo); sinfo->cache_order =3D oo_order(s->oo); } - -void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *s) -{ -} - -ssize_t slabinfo_write(struct file *file, const char __user *buffer, - size_t count, loff_t *ppos) -{ - return -EIO; -} #endif /* CONFIG_SLUB_DEBUG */ --=20 2.34.1