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X-IronPort-AV: E=McAfee;i="6600,9927,10996"; a="14040460" X-IronPort-AV: E=Sophos;i="6.06,188,1705392000"; d="scan'208";a="14040460" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2024 08:29:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,188,1705392000"; d="scan'208";a="44608181" Received: from pbackus-mobl1.amr.corp.intel.com (HELO [10.246.114.227]) ([10.246.114.227]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2024 08:29:23 -0800 Message-ID: Date: Tue, 27 Feb 2024 09:29:20 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] dax: remove SLAB_MEM_SPREAD flag usage Content-Language: en-US To: chengming.zhou@linux.dev, dan.j.williams@intel.com, vishal.l.verma@intel.com Cc: nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, vbabka@suse.cz, roman.gushchin@linux.dev, Xiongwei.Song@windriver.com, Chengming Zhou References: <20240224134728.829289-1-chengming.zhou@linux.dev> From: Dave Jiang In-Reply-To: <20240224134728.829289-1-chengming.zhou@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: dejn7sqip4ytz73bzefuzq5x43ehexis X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 7B31D4001A X-HE-Tag: 1709051366-719120 X-HE-Meta: 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 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: List-Subscribe: List-Unsubscribe: On 2/24/24 6:47 AM, chengming.zhou@linux.dev wrote: > From: Chengming Zhou > > The SLAB_MEM_SPREAD flag is already a no-op as of 6.8-rc1, remove > its usage so we can delete it from slab. No functional change. Can you please provide a Link tag to the lore post that indicates SLAB_MEM_SPREAD flag is now a no-op? > > Signed-off-by: Chengming Zhou > --- > drivers/dax/super.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/dax/super.c b/drivers/dax/super.c > index 54e528779877..cff0a15b7236 100644 > --- a/drivers/dax/super.c > +++ b/drivers/dax/super.c > @@ -547,7 +547,7 @@ static int dax_fs_init(void) > > dax_cache = kmem_cache_create("dax_cache", sizeof(struct dax_device), 0, > (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT| > - SLAB_MEM_SPREAD|SLAB_ACCOUNT), > + SLAB_ACCOUNT), > init_once); > if (!dax_cache) > return -ENOMEM;