linux-kernel - Re: [PATCH] staging: zsmalloc: Fix link error on ARM

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Date:	Wed, 27 Mar 2013 10:09:47 +0900
From:	Minchan Kim <minchan.kim@....com>
To:	Joerg Roedel <joro@...tes.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH] staging: zsmalloc: Fix link error on ARM

On Wed, Mar 27, 2013 at 01:43:14AM +0100, Joerg Roedel wrote:
> On Wed, Mar 27, 2013 at 09:05:52AM +0900, Minchan Kim wrote:
> > And please Cc stable.
> 
> Okay, here it is. The result is compile-tested.
> 
> Changes since v1:
> 
> * Remove the module-export for unmap_kernel_range and make zsmalloc
>   built-in instead
> 
> Here is the patch:
> 
> >From 2b70502720b36909f9f39bdf27be21321a219c31 Mon Sep 17 00:00:00 2001
> From: Joerg Roedel <joro@...tes.org>
> Date: Tue, 26 Mar 2013 23:24:22 +0100
> Subject: [PATCH v2] staging: zsmalloc: Fix link error on ARM
> 
> Testing the arm chromebook config against the upstream
> kernel produces a linker error for the zsmalloc module from
> staging. The symbol flush_tlb_kernel_range is not available
> there. Fix this by removing the reimplementation of
> unmap_kernel_range in the zsmalloc module and using the
> function directly. The unmap_kernel_range function is not
> usable by modules, so also disallow building the driver as a
> module for now.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Joerg Roedel <joro@...tes.org>
Acked-by: Minchan Kim <minchan@...nel.org>

-- 
Kind regards,
Minchan Kim
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