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Message-ID: <4AF06911.6040200@gmail.com>
Date: Tue, 03 Nov 2009 12:32:01 -0500
From: Gregory Haskins <gregory.haskins@gmail.com>
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To: "Michael S. Tsirkin" <mst@redhat.com>
CC: netdev@vger.kernel.org, virtualization@lists.linux-foundation.org,
       kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@elte.hu,
       linux-mm@kvack.org, akpm@linux-foundation.org, hpa@zytor.com,
       Rusty Russell <rusty@rustcorp.com.au>, s.hetze@linux-ag.com
Subject: Re: [PATCHv7 2/3] mm: export use_mm/unuse_mm to modules
References: <cover.1257267892.git.mst@redhat.com> <20091103172411.GC5591@redhat.com>
In-Reply-To: <20091103172411.GC5591@redhat.com>
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Michael S. Tsirkin wrote:
> vhost net module wants to do copy to/from user from a kernel thread,
> which needs use_mm. Export it to modules.
>=20
> Acked-by: Andrea Arcangeli <aarcange@redhat.com>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

I need this too:

Acked-by: Gregory Haskins <ghaskins@novell.com>

> ---
>  mm/mmu_context.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
>=20
> diff --git a/mm/mmu_context.c b/mm/mmu_context.c
> index ded9081..0777654 100644
> --- a/mm/mmu_context.c
> +++ b/mm/mmu_context.c
> @@ -5,6 +5,7 @@
> =20
>  #include <linux/mm.h>
>  #include <linux/mmu_context.h>
> +#include <linux/module.h>
>  #include <linux/sched.h>
> =20
>  #include <asm/mmu_context.h>
> @@ -37,6 +38,7 @@ void use_mm(struct mm_struct *mm)
>  	if (active_mm !=3D mm)
>  		mmdrop(active_mm);
>  }
> +EXPORT_SYMBOL_GPL(use_mm);
> =20
>  /*
>   * unuse_mm
> @@ -56,3 +58,4 @@ void unuse_mm(struct mm_struct *mm)
>  	enter_lazy_tlb(mm, tsk);
>  	task_unlock(tsk);
>  }
> +EXPORT_SYMBOL_GPL(unuse_mm);


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