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mm: highmem: export kmap_to_page for modules 

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.

Cc: stable@kernel.org
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Will Deacon 2012-10-19 14:03:31 +01:00 committed by Rusty Russell
parent dd8e8c4a2c
commit f0263d2d22
1 changed files with 1 additions and 0 deletions
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mm/highmem.c
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@ -105,6 +105,7 @@ struct page *kmap_to_page(void *vaddr)
return virt_to_page(addr);
}
EXPORT_SYMBOL(kmap_to_page);
static void flush_all_zero_pkmaps(void)
{