There are more for alpha allmodconfig
=== Config /home/mhocko/work/build-test/configs/alpha/allmodconfig
mm/hmm.c: In function 'hmm_vma_walk_pmd':
mm/hmm.c:370:4: error: implicit declaration of function 'pmd_pfn' [-Werror=implicit-function-declaration]
unsigned long pfn = pmd_pfn(pmd) + pte_index(addr);
^
mm/hmm.c:370:4: error: implicit declaration of function 'pte_index' [-Werror=implicit-function-declaration]
mm/hmm.c: In function 'hmm_devmem_radix_release':
mm/hmm.c:784:30: error: 'PA_SECTION_SHIFT' undeclared (first use in this function)
#define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
^
mm/hmm.c:790:36: note: in expansion of macro 'SECTION_SIZE'
align_start = resource->start & ~(SECTION_SIZE - 1);
^
mm/hmm.c:784:30: note: each undeclared identifier is reported only once for each function it appears in
#define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
^
mm/hmm.c:790:36: note: in expansion of macro 'SECTION_SIZE'
align_start = resource->start & ~(SECTION_SIZE - 1);
^
mm/hmm.c: In function 'hmm_devmem_release':
mm/hmm.c:784:30: error: 'PA_SECTION_SHIFT' undeclared (first use in this function)
#define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
^
mm/hmm.c:812:36: note: in expansion of macro 'SECTION_SIZE'
align_start = resource->start & ~(SECTION_SIZE - 1);
^
mm/hmm.c:816:2: error: implicit declaration of function 'arch_remove_memory' [-Werror=implicit-function-declaration]
arch_remove_memory(align_start, align_size, devmem->pagemap.type);
^
mm/hmm.c: In function 'hmm_devmem_find':
mm/hmm.c:827:54: error: 'PA_SECTION_SHIFT' undeclared (first use in this function)
return radix_tree_lookup(&hmm_devmem_radix, phys >> PA_SECTION_SHIFT);
^
mm/hmm.c: In function 'hmm_devmem_pages_create':
mm/hmm.c:784:30: error: 'PA_SECTION_SHIFT' undeclared (first use in this function)
#define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
^
mm/hmm.c:838:44: note: in expansion of macro 'SECTION_SIZE'
align_start = devmem->resource->start & ~(SECTION_SIZE - 1);
^
In file included from ./include/linux/cache.h:4:0,
from ./include/linux/printk.h:8,
from ./include/linux/kernel.h:13,
from ./include/asm-generic/bug.h:13,
from ./arch/alpha/include/asm/bug.h:22,
from ./include/linux/bug.h:4,
from ./include/linux/mmdebug.h:4,
from ./include/linux/mm.h:8,
from mm/hmm.c:20:
mm/hmm.c: In function 'hmm_devmem_add':
mm/hmm.c:784:30: error: 'PA_SECTION_SHIFT' undeclared (first use in this function)
#define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
^
./include/uapi/linux/kernel.h:10:47: note: in definition of macro '__ALIGN_KERNEL_MASK'
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
^
./include/linux/kernel.h:49:22: note: in expansion of macro '__ALIGN_KERNEL'
#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
^
mm/hmm.c:982:9: note: in expansion of macro 'ALIGN'
size = ALIGN(size, SECTION_SIZE);
^
mm/hmm.c:982:21: note: in expansion of macro 'SECTION_SIZE'
size = ALIGN(size, SECTION_SIZE);
^
mm/hmm.c: In function 'hmm_devmem_find':
mm/hmm.c:828:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
cc1: some warnings being treated as errors
make[1]: *** [mm/hmm.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [mm] Error 2
make: *** Waiting for unfinished jobs....
--
Michal Hocko
SUSE Labs
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