Messages in this thread Patch in this message | | | Date | Thu, 18 Oct 2012 16:51:01 +0200 | From | Ralf Baechle <> | Subject | Re: linux-next: build failure after merge of the final tree (tip/s390 trees related) |
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On Thu, Oct 18, 2012 at 05:22:01PM +1100, Stephen Rothwell 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?
See below. There's further MIPS breakage in -next; more on than in a separate email.
Ralf
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 252202d..5f7c615 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -534,6 +534,8 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) return pmd; } +#define pmd_pgprot(x) __pgprot(pmd_val(x) & ~_PAGE_CHG_MASK) + static inline pmd_t pmd_mknotpresent(pmd_t pmd) { pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY);
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