Re: [RFC] avoid indirect calls for DMA direct mappings v2

[Christoph Hellwig <hch@xxxxxx>]

On Mon, Dec 10, 2018 at 01:51:13PM -0800, Luck, Tony wrote:
> But the ia64 build fails with:

Yes, I just got the same complaint form the buildbot, unfortunately
I don't have a good ia64 cross compiler locally given that Debian
is lacking one, and the one provided by the buildbot doesn't build on
Debian either..

This should fix it:

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 2c51733f1dfd..a007afaa556c 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -8,6 +8,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 
+#include <linux/dma-noncoherent.h>
 #include <linux/efi.h>
 #include <linux/elf.h>
 #include <linux/memblock.h>