linux-kernel - Re: [PATCH 1/1] kernfs: Allocating memory for kernfs_iattrs with kmem

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Date:   Thu, 31 Jan 2019 13:32:05 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ayush Mittal <ayush.m@...sung.com>
Cc:     tj@...nel.org, linux-kernel@...r.kernel.org, pankaj.m@...sung.com,
        a.sahrawat@...sung.com, v.narang@...sung.com
Subject: Re: [PATCH 1/1] kernfs: Allocating memory for kernfs_iattrs with
 kmem_cache.

On Thu, Jan 31, 2019 at 03:13:05PM +0530, Ayush Mittal wrote:
> @@ -414,4 +414,9 @@ void __init kernfs_init(void)
>  					      0,
>  					      SLAB_PANIC | SLAB_TYPESAFE_BY_RCU,
>  					      NULL);
> +	kernfs_iattrs_cache  = kmem_cache_create("kernfs_iattrs_cache",
> +					      sizeof(struct kernfs_iattrs),
> +					      0,
> +					      SLAB_PANIC | SLAB_TYPESAFE_BY_RCU,
> +					      NULL);
>  }

Are you sure the comment above this holds true for this new cache as
well?  Please document it as well as the other one was, and remove the
SLAB_ flags as needed.

thanks,

greg k-h