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Re: [HMM 10/16] mm/hmm/mirror: helper to snapshot CPU page table v2

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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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[HMM 10/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Jérôme Glisse <jglisse@redhat.com> - 2017-04-05 22:50 +0200
  Re: [HMM 10/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Michal Hocko <mhocko@kernel.org> - 2017-04-10 10:40 +0200
  Re: [HMM 10/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Michal Hocko <mhocko@kernel.org> - 2017-04-10 10:50 +0200
    Re: [HMM 10/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Andrew Morton <akpm@linux-foundation.org> - 2017-04-11 00:20 +0200
      Re: [HMM 10/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Jerome Glisse <jglisse@redhat.com> - 2017-04-11 03:40 +0200
        Re: [HMM 10/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Andrew Morton <akpm@linux-foundation.org> - 2017-04-11 22:40 +0200

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