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Subject: Re: [PATCH] mm: slub: Convert sys slab alloc_calls, free_calls to bin
 attribute
To:     Matthew Wilcox <willy@infradead.org>
Cc:     cl@linux.com, penberg@kernel.org, rientjes@google.com,
        iamjoonsoo.kim@lge.com, akpm@linux-foundation.org,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        vinmenon@codeaurora.org
References: <1610443287-23933-1-git-send-email-faiyazm@codeaurora.org>
 <20210112122245.GK35215@casper.infradead.org>
From:   Faiyaz Mohammed <faiyazm@codeaurora.org>
Message-ID: <5d0c8891-40ea-2860-555a-570494993397@codeaurora.org>
Date:   Wed, 13 Jan 2021 11:17:51 +0530
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On 1/12/2021 5:52 PM, Matthew Wilcox wrote:
> On Tue, Jan 12, 2021 at 02:51:27PM +0530, Faiyaz Mohammed wrote:
>> @@ -5180,6 +5187,7 @@ static int any_slab_objects(struct kmem_cache *s)
>>  
>>  struct slab_attribute {
>>  	struct attribute attr;
>> +	struct bin_attribute bin_attr;
>>  	ssize_t (*show)(struct kmem_cache *s, char *buf);
>>  	ssize_t (*store)(struct kmem_cache *s, const char *x, size_t count);
>>  };
> 
> I'd rather you added a struct slab_bin_attribute.  If that's even
> needed ..  I think you could just use the bin_attribute directly instead
> of embedding it in this struct.
> 

Okay, I will use bin_attribute directly, but I added the bin_attribute
inside the slab_attribute to maintain similar code like sysfs attribute
and slab_attribute is embedded with it's all slab attributes.