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 ABBCC1F30A4 for ; Tue, 29 Jul 2025 15:09:34 +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=1753801775; cv=none; b=g0beRkhg/5vwqPpvmhQowEXkSLo3aY1Sycr/dcHjE4TbDRexYHNhutXaPbCbCVspE2zikp6zRTmzi1D+ii0WQANPWUuOK70DjUo05CWys1BQyZeorN4GdybrUQBOFiowiT15xNqH/WJSCcZkUKY3pPGC+vJMLkDvsePYkEceSZc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753801775; c=relaxed/simple; bh=98P6IJpyzAAt1v2NuERK4BMtgJTCzEIVZeLUvgjLpHY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=DVfsSaqUo1VkQY2DcRrJQW7ZOc0F0bPGe1igNPHhc0EIybH7PZmenY4dQ4Un6962YCQQ8o+JOrLDav4cFaQjk/pMP4RnXlR4M93gqCpNgSDTC+3qUOTqndqLZHg5J7a4WI3+tljMQp7OXJJ8KC4GujZAJL+9zA3Pm6uB8N3fiho= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OoIFqOfa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OoIFqOfa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD09CC4CEEF; Tue, 29 Jul 2025 15:09:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753801774; bh=98P6IJpyzAAt1v2NuERK4BMtgJTCzEIVZeLUvgjLpHY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OoIFqOfafH1WXAsX3aMi8c3Vtzfgt4Jx1rZZsS7S/khuK14vJJpM6+DOP5dk0YBtW EHSiux/h7CY3APVKX4oIXPlnQR/QzKHw6bpbWQOv5EA7709pnHUfTWHn/ZkD1oNuXZ bclBNyK4LIMHEA7tfkBjxkF6vybm7vczxuvy3+4VBKiH+AnE3YekNB4TlJUpEN1+Mr yUcryUF93kTp5iMc1KDHrn7rFkvMkqnX2aIpuEe2KPrtSmTt9i1h1RaBgLr9h1kmX9 jhDH4XOcbO1rxVYmuNvruh6AfWzzCIP7fOBJCMqrQ7GLgKBQwBGoOnwkuiUeOkdBAT OWiL/EK9tr4Og== From: Sasha Levin To: stable@vger.kernel.org Cc: Miaohe Lin , Sergey Senozhatsky , Minchan Kim , Andrew Morton , Linus Torvalds , Sasha Levin Subject: [PATCH 5.10.y 1/2] mm/zsmalloc.c: convert to use kmem_cache_zalloc in cache_alloc_zspage() Date: Tue, 29 Jul 2025 11:09:28 -0400 Message-Id: <20250729150929.2729341-1-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <2025072810-footgear-grumpily-4fd5@gregkh> References: <2025072810-footgear-grumpily-4fd5@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- mm/zsmalloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index c18dc8e61d35..5f314ec2ff81 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -357,7 +357,7 @@ static void cache_free_handle(struct zs_pool *pool, unsigned long handle) 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(struct zs_pool *pool, if (!zspage) return NULL; - memset(zspage, 0, sizeof(struct zspage)); zspage->magic = ZSPAGE_MAGIC; migrate_lock_init(zspage); -- 2.39.5