linux-kernel - Re: [PATCH] xen/tmem: Pass page instead of pfn to xen_tmem_get

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Date:	Wed, 19 Aug 2015 17:23:55 -0700
From:	Julien Grall <julien.grall@...rix.com>
To:	Murilo Opsfelder Araujo <mopsfelder@...il.com>,
	<linux-kernel@...r.kernel.org>, <xen-devel@...ts.xenproject.org>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	David Vrabel <david.vrabel@...rix.com>
Subject: Re: [PATCH] xen/tmem: Pass page instead of pfn to xen_tmem_get_page()

Hi,

On 19/08/2015 06:25, Murilo Opsfelder Araujo wrote:
> The commit 091208a676dfdabb2b8fe86ee155c6fc80081b69 "xen/tmem: Use
> xen_page_to_gfn rather than pfn_to_gfn" left behind a call to
> xen_tmem_get_page() receiving pfn instead of page.
>
> This change also fixes the following build warning:
>
> drivers/xen/tmem.c: In function ‘tmem_cleancache_get_page’:
> drivers/xen/tmem.c:194:47: warning: passing argument 4 of ‘xen_tmem_get_page’ makes pointer from integer without a cast
>    ret = xen_tmem_get_page((u32)pool, oid, ind, pfn);
>                                                 ^
> drivers/xen/tmem.c:138:12: note: expected ‘struct page *’ but argument is of type ‘long unsigned int’
>   static int xen_tmem_get_page(u32 pool_id, struct tmem_oid oid,
>              ^
>
> Signed-off-by: Murilo Opsfelder Araujo <mopsfelder@...il.com>

Sorry for the breakage, I haven't spot it because CONFIG_CLEANCACHE is 
not enabled on my config.

Reviewed-by: Julien Grall <julien.grall@...rix.com>

Regards,

-- 
Julien Grall
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