Re: [PATCH v2 1/3] mm: highmem: export kmap_to_page for modules
From: Andrew Morton
Date: Mon Oct 22 2012 - 18:08:09 EST
On Fri, 19 Oct 2012 14:03:31 +0100
Will Deacon <will.deacon@xxxxxxx> wrote:
> Some virtio device drivers (9p) need to translate high virtual addresses
> to physical addresses, which are inserted into the virtqueue for
> processing by userspace.
> This patch exports the kmap_to_page symbol, so that the affected drivers
> can be compiled as modules.
> Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
> mm/highmem.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
> diff --git a/mm/highmem.c b/mm/highmem.c
> index d517cd1..2a07f97 100644
> --- a/mm/highmem.c
> +++ b/mm/highmem.c
> @@ -105,6 +105,7 @@ struct page *kmap_to_page(void *vaddr)
> return virt_to_page(addr);
Looks OK to me. Would generally prefer that an exported-to-modules
symbol have some documentation, but I guess this one is obvious enough.
Rusty, please include this if you grab the rest of the series.
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