Hi Ingo, On Thu, 18 Oct 2012 20:29:53 +0200 Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > * Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > 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? > > Resolved it for now by excluding those changes, will put them > back in once they are fixed. It looks as though you have not gone back far enough - you removed a couple of merges of sched/numa, but there are more. I have two of the problems resolved with merge patches that supply pmd_pgprot() for s390 and mips, but there is another problem with mips (see Ralf's other email). Also, I suspect that if you do exclude all the sched/numa changes it will make a mess of Andrew's mmotm (as it basically sits on top of linux-next). -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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