arch/mips/kernel/../../../fs/binfmt_elf.c:1419:2: error: implicit

Hi Denys,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
head:   69921c36f9e0e4e7952fa2583bf2d33713835eaf
commit: 0695d4b2814020d99191ba8b441ff8feeb92c878 [340/376] coredump: extend core dump note section to contain file names of mapped files
config: mips-fuloong2e_defconfig

[error]
arch/mips/kernel/../../../fs/binfmt_elf.c:1419:2: error: implicit declaration of function 'vmalloc' [-Werror=implicit-function-declaration] arch/mips/kernel/../../../fs/binfmt_elf.c:1419:7: error: assignment makes pointer from integer without a cast [-Werror] arch/mips/kernel/../../../fs/binfmt_elf.c:1437:5: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration]

vim +1419 arch/mips/kernel/../../../fs/binfmt_elf.c
1403 {
1404 struct vm_area_struct *vma;
1405 unsigned count, size, names_ofs, remaining, n;
1406 user_long_t *data;
1407 user_long_t *start_end_ofs;
1408 char *name_base, *name_curpos;
1409
1410 /* *Estimated* file count and total data size needed */
1411 count = current->mm->map_count;
1412 size = count * 64;
1413
1414 names_ofs = (2 + 3 * count) * sizeof(data[0]);
1415 alloc:
1416 if (size >= MAX_FILE_NOTE_SIZE) /* paranoia check */
1417 goto err;
1418 size = round_up(size, PAGE_SIZE);

1420 if (!data)
1421 goto err;
1422
1423 start_end_ofs = data + 2;
1424 name_base = name_curpos = ((char*)data) + names_ofs;
1425 remaining = size - names_ofs;
1426 count = 0;
1427 for (vma = current->mm->mmap; vma != NULL; vma = vma->vm_next) {

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0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu <[email protected]> Intel Corporation