From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7B7F535AAA3; Tue, 26 Aug 2025 14:42:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756219323; cv=none; b=TNzNYv9QFTd+R8HdyQb8V4J1GwpaRXAF7oDuI/odIAYbFcohtLvgAuOuIutFNX/RqrO4z73M5YRtfwP6VReRk5jWJZWYHoLBv3TFZT5mhYlGOiJiLD5Y+KEJzxc01uHS2GW0noiDrI8xEKBD35C64YhQOMps/VGD7Q6YGf/YLwM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756219323; c=relaxed/simple; bh=DeEOE73FH5WpgzGjmbZ5yfGauThmv+40xDNYO6WkagM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PbHQIF1JzXx8NS7S5ygv2hb2+xOqLSOMmltdWhcIGLJfCSkh/68rkRi5e02eDwg2pflbZtY/zh9OzwC5KtfHuYGqAiAHli2JLRl/4Rnz/ZAVYnUswJy3Dk1ir129kKhlfczdscAzR2k8PBTDFBqiMmpSKzQIAGiPnfkbg469r8I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=nPLX9/4s; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="nPLX9/4s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C9C4C113CF; Tue, 26 Aug 2025 14:42:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756219323; bh=DeEOE73FH5WpgzGjmbZ5yfGauThmv+40xDNYO6WkagM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nPLX9/4sM1aRYfr/NugtSnTOr3CyULyvcFMOtcBfc/klS4JLhHy4OZ6V2eyaJ5FeL kO2kHtARjqSDeAnMtverPkyrXA+NtK6OA4EpGeabPPvervnhP7L3NrjnW29Sf60J0l h4hd15MJCVKG0j2wXqdqJ5KLobGdF5O/gsNLRJu8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Miaohe Lin , Sergey Senozhatsky , Minchan Kim , Andrew Morton , Linus Torvalds , Sasha Levin Subject: [PATCH 5.4 337/403] mm/zsmalloc.c: convert to use kmem_cache_zalloc in cache_alloc_zspage() Date: Tue, 26 Aug 2025 13:11:03 +0200 Message-ID: <20250826110916.159224885@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110905.607690791@linuxfoundation.org> References: <20250826110905.607690791@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Miaohe Lin [ Upstream commit f0231305acd53375c6cf736971bf5711105dd6bb ] We always memset the zspage allocated via cache_alloc_zspage. So it's more convenient to use kmem_cache_zalloc in cache_alloc_zspage than caller do it manually. Link: https://lkml.kernel.org/r/20210114120032.25885-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: Sergey Senozhatsky Cc: Minchan Kim Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Stable-dep-of: 694d6b99923e ("mm/zsmalloc: do not pass __GFP_MOVABLE if CONFIG_COMPACTION=n") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- mm/zsmalloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -357,7 +357,7 @@ static void cache_free_handle(struct zs_ static struct zspage *cache_alloc_zspage(struct zs_pool *pool, gfp_t flags) { - return kmem_cache_alloc(pool->zspage_cachep, + return kmem_cache_zalloc(pool->zspage_cachep, flags & ~(__GFP_HIGHMEM|__GFP_MOVABLE)); } @@ -1067,7 +1067,6 @@ static struct zspage *alloc_zspage(struc if (!zspage) return NULL; - memset(zspage, 0, sizeof(struct zspage)); zspage->magic = ZSPAGE_MAGIC; migrate_lock_init(zspage);