linux-kernel - Re: [PATCH] dax: remove SLAB_MEM

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <b9966efa-8efe-4de7-b962-a6edcf2f6904@intel.com>
Date: Tue, 27 Feb 2024 09:29:20 -0700
From: Dave Jiang <dave.jiang@...el.com>
To: chengming.zhou@...ux.dev, dan.j.williams@...el.com,
 vishal.l.verma@...el.com
Cc: nvdimm@...ts.linux.dev, linux-cxl@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-mm@...ck.org, vbabka@...e.cz,
 roman.gushchin@...ux.dev, Xiongwei.Song@...driver.com,
 Chengming Zhou <zhouchengming@...edance.com>
Subject: Re: [PATCH] dax: remove SLAB_MEM_SPREAD flag usage



On 2/24/24 6:47 AM, chengming.zhou@...ux.dev wrote:
> From: Chengming Zhou <zhouchengming@...edance.com>
> 
> 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 <zhouchengming@...edance.com>
> ---
>  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;