Re: linux-next: build failure after merge of the final tree(tip/s390 trees related)

[Ingo Molnar]

* Gerald Schaefer <gerald.schaefer@xxxxxxxxxx> wrote:

> On Thu, 18 Oct 2012 17:22:01 +1100
> Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> 
> > Hi all,
> > 
> > After merging the final tree, today's linux-next build (s390 allyesconfig)
> > failed like this:
> > 
> > mm/huge_memory.c:1424:2: error: implicit declaration of function 'pmd_pgprot' [-Werror=implicit-function-declaration]
> > mm/huge_memory.c:1424:7: error: incompatible types when assigning to type 'pgprot_t' from type 'int'
> > 
> > (see http://kisskb.ellerman.id.au/kisskb/buildresult/7383823/)
> > 
> > Caused by commit 35d3d3427314 ("s390/thp: select
> > HAVE_ARCH_TRANSPARENT_HUGEPAGE") from the s390 tree interacting with
> > commit 93c9d633bd9e ("mm/thp: Preserve pgprot across huge page split")
> > from the tip tree.
> > 
> > N.B. Mips also selects HAVE_ARCH_TRANSPARENT_HUGEPAGE as of commit
> > e21a828a1bba ("MIPS: Transparent Huge Pages support") from the mips tree
> > and so will be broken in some configs now as well.
> > 
> > Anyone have suggested merge fix patches I can apply?
> 
> Subject: [PATCH] s390/thp: implement pmd_pgprot() for s390

Thanks Gerald! I'll merge this as well so that the semantic 
conflict disappears from linux-next.

Thanks,

	Ingo
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