$ git log --oneline -1
37624b58542f (HEAD, tag: v5.1-rc7, stable/master, rdma/master,
acpi/master) Linux 5.1-rc7
$ make ARCH=s390 CROSS_COMPILE=s390x-linux-gnu-
KCONFIG_CONFIG=../kernel-4.18.0-s390x.config all
CALL scripts/checksyscalls.sh
CALL scripts/atomic/check-atomics.sh
CHK include/generated/compile.h
LD [M] drivers/infiniband/core/ib_core.o
LD [M] drivers/infiniband/core/ib_cm.o
LD [M] drivers/infiniband/core/iw_cm.o
LD [M] drivers/infiniband/core/rdma_cm.o
CC [M] drivers/infiniband/core/uverbs_main.o
In file included from ./arch/s390/include/asm/page.h:180:0,
from ./arch/s390/include/asm/thread_info.h:26,
from ./include/linux/thread_info.h:38,
from ./arch/s390/include/asm/preempt.h:6,
from ./include/linux/preempt.h:78,
from ./include/linux/spinlock.h:51,
from ./include/linux/seqlock.h:36,
from ./include/linux/time.h:6,
from ./include/linux/stat.h:19,
from ./include/linux/module.h:10,
from drivers/infiniband/core/uverbs_main.c:37:
drivers/infiniband/core/uverbs_main.c: In function ‘rdma_umap_fault’:
drivers/infiniband/core/uverbs_main.c:898:28: error: ‘struct vm_fault’
has no member named ‘vm_start’
vmf->page = ZERO_PAGE(vmf->vm_start);
^
./include/asm-generic/memory_model.h:54:40: note: in definition of macro
‘__pfn_to_page’
#define __pfn_to_page(pfn) (vmemmap + (pfn))
^
./arch/s390/include/asm/page.h:162:29: note: in expansion of macro ‘__pa’
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
^
./arch/s390/include/asm/page.h:166:41: note: in expansion of macro
‘virt_to_pfn’
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
^
./arch/s390/include/asm/pgtable.h:60:3: note: in expansion of macro
‘virt_to_page’
(virt_to_page((void *)(empty_zero_page + \
^
drivers/infiniband/core/uverbs_main.c:898:15: note: in expansion of
macro ‘ZERO_PAGE’
vmf->page = ZERO_PAGE(vmf->vm_start);
^
make[4]: *** [drivers/infiniband/core/uverbs_main.o] Error 1
make[3]: *** [drivers/infiniband/core] Error 2
make[2]: *** [drivers/infiniband] Error 2
make[1]: *** [drivers] Error 2
make: *** [sub-make] Error 2
