Hi David, [auto build test WARNING on: next-20151118] [also build test WARNING on: v4.4-rc1]
url: https://github.com/0day-ci/linux/commits/David-Rientjes/mm-vmalloc-remove-VM_VPAGES/20151119-083326 config: x86_64-randconfig-x015-11181928 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/linux/linkage.h:4:0, from include/linux/preempt.h:9, from include/linux/spinlock.h:50, from include/linux/vmalloc.h:4, from mm/vmalloc.c:11: mm/vmalloc.c: In function '__vunmap': mm/vmalloc.c:1484:21: error: 'VM_VPAGES' undeclared (first use in this function) if (area->flags & VM_VPAGES) ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> mm/vmalloc.c:1484:3: note: in expansion of macro 'if' if (area->flags & VM_VPAGES) ^ mm/vmalloc.c:1484:21: note: each undeclared identifier is reported only once for each function it appears in if (area->flags & VM_VPAGES) ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> mm/vmalloc.c:1484:3: note: in expansion of macro 'if' if (area->flags & VM_VPAGES) ^ vim +/if +1484 mm/vmalloc.c ^1da177e4 Linus Torvalds 2005-04-16 1468 return; ^1da177e4 Linus Torvalds 2005-04-16 1469 } ^1da177e4 Linus Torvalds 2005-04-16 1470 9a11b49a8 Ingo Molnar 2006-07-03 1471 debug_check_no_locks_freed(addr, area->size); 3ac7fe5a4 Thomas Gleixner 2008-04-30 1472 debug_check_no_obj_freed(addr, area->size); 9a11b49a8 Ingo Molnar 2006-07-03 1473 ^1da177e4 Linus Torvalds 2005-04-16 1474 if (deallocate_pages) { ^1da177e4 Linus Torvalds 2005-04-16 1475 int i; ^1da177e4 Linus Torvalds 2005-04-16 1476 ^1da177e4 Linus Torvalds 2005-04-16 1477 for (i = 0; i < area->nr_pages; i++) { bf53d6f8f Christoph Lameter 2008-02-04 1478 struct page *page = area->pages[i]; bf53d6f8f Christoph Lameter 2008-02-04 1479 bf53d6f8f Christoph Lameter 2008-02-04 1480 BUG_ON(!page); bf53d6f8f Christoph Lameter 2008-02-04 1481 __free_page(page); ^1da177e4 Linus Torvalds 2005-04-16 1482 } ^1da177e4 Linus Torvalds 2005-04-16 1483 8757d5fa6 Jan Kiszka 2006-07-14 @1484 if (area->flags & VM_VPAGES) ^1da177e4 Linus Torvalds 2005-04-16 1485 vfree(area->pages); ^1da177e4 Linus Torvalds 2005-04-16 1486 else ^1da177e4 Linus Torvalds 2005-04-16 1487 kfree(area->pages); ^1da177e4 Linus Torvalds 2005-04-16 1488 } ^1da177e4 Linus Torvalds 2005-04-16 1489 ^1da177e4 Linus Torvalds 2005-04-16 1490 kfree(area); ^1da177e4 Linus Torvalds 2005-04-16 1491 return; ^1da177e4 Linus Torvalds 2005-04-16 1492 } :::::: The code at line 1484 was first introduced by commit :::::: 8757d5fa6b75e8ea906baf0309d49b980e7f9bc9 [PATCH] mm: fix oom roll-back of __vmalloc_area_node :::::: TO: Jan Kiszka <jan.kis...@web.de> :::::: CC: Linus Torvalds <torva...@g5.osdl.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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