linux-kernel - Re: [PATCH] mm/slab_common: Use kmem_cache

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Message-ID: <alpine.DEB.2.10.1502101351210.18749@chino.kir.corp.google.com>
Date:	Tue, 10 Feb 2015 13:51:34 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Vaishali Thakkar <vthakkar1994@...il.com>
cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/slab_common: Use kmem_cache_free

On Mon, 9 Feb 2015, Vaishali Thakkar wrote:

> Here, free memory is allocated using kmem_cache_zalloc.
> So, use kmem_cache_free instead of kfree.
> 
> This is done using Coccinelle and semantic patch used
> is as follows:
> 
> @@
> expression x,E,c;
> @@
> 
>  x = \(kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache_alloc_node\)(c,...)
>  ... when != x = E
>      when != &x
> ?-kfree(x)
> +kmem_cache_free(c,x)
> 
> Signed-off-by: Vaishali Thakkar <vthakkar1994@...il.com>

Acked-by: David Rientjes <rientjes@...gle.com>
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