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@xxxxxxxxxxxxxx> 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); -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html