Hi, Commit d3ce88431892b703b04769566338a89eda6b0477 (MIPS: Fix modpost error in modules attepting to use virt_addr_valid()) broke the 64-bit MIPS build: LD init/built-in.o kernel/built-in.o: In function `memory_bm_free': snapshot.c:(.text+0x3c76c): undefined reference to `__virt_addr_valid' snapshot.c:(.text+0x3c800): undefined reference to `__virt_addr_valid' kernel/built-in.o: In function `snapshot_write_next': (.text+0x3e094): undefined reference to `__virt_addr_valid' kernel/built-in.o: In function `snapshot_write_next': (.text+0x3e468): undefined reference to `__virt_addr_valid' make[4]: *** [vmlinux] Error 1 A quick workaround is to compile ioremap.c always, but it adds ~2KB unused code for 64-bit-only kernels... A.