This is a note to let you know that I've just added the patch titled
mm: highmem: export kmap_to_page for modules
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mm-highmem-export-kmap_to_page-for-modules.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8bc528cece6bc1adf4524eaab7bb82aa66438c4a Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@xxxxxxx>
Date: Fri, 19 Oct 2012 14:03:31 +0100
Subject: mm: highmem: export kmap_to_page for modules
From: Will Deacon <will.deacon@xxxxxxx>
commit f0263d2d222e9e25f2587e51a9dc58c6fb2a9352 upstream.
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>
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: Yijing Wang <wangyijing@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
mm/highmem.c | 1 +
1 file changed, 1 insertion(+)
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -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)
{
Patches currently in stable-queue which might be from will.deacon@xxxxxxx are
queue-3.4/usb-avoid-runtime-suspend-loops-for-hcds-that-can-t-handle-suspend-resume.patch
queue-3.4/mm-highmem-export-kmap_to_page-for-modules.patch
queue-3.4/virtio-9p-correctly-pass-physical-address-to-userspace-for-high-pages.patch
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