[tip:tmp.tmp2 336/364] arch/x86/include/asm/page_types.h:11: warning: "PAGE_SIZE" redefined

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.tmp2
head:   adcceb5eb7aee38e4a9c15bdf599655f0e1b1324
commit: 8ba52e725f44d3c1da94670a29614b683e286c5a [336/364] sched/headers, mm: Simplify <linux/slab.h>'s header file dependencies
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=8ba52e725f44d3c1da94670a29614b683e286c5a
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip tmp.tmp2
        git checkout 8ba52e725f44d3c1da94670a29614b683e286c5a
        # save the attached .config to linux build tree
        make W=1 ARCH=um SUBARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   arch/x86/um/user-offsets.c:18:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
      18 | void foo(void)
         |      ^~~
   In file included from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
>> arch/x86/include/asm/page_types.h:11: warning: "PAGE_SIZE" redefined
      11 | #define PAGE_SIZE  (_AC(1,UL) << PAGE_SHIFT)
         | 
   In file included from arch/um/include/asm/thread_info.h:15,
                    from include/linux/thread_info.h:52,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:18,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:3,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/page.h:14: note: this is the location of the previous definition
      14 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
         | 
   In file included from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
>> arch/x86/include/asm/page_types.h:36: warning: "PAGE_OFFSET" redefined
      36 | #define PAGE_OFFSET  ((unsigned long)__PAGE_OFFSET)
         | 
   In file included from arch/um/include/asm/thread_info.h:15,
                    from include/linux/thread_info.h:52,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:18,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:3,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/page.h:93: note: this is the location of the previous definition
      93 | #define PAGE_OFFSET (uml_physmem)
         | 
   In file included from arch/x86/include/asm/page_types.h:46,
                    from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
>> arch/x86/include/asm/page_64_types.h:15: warning: "THREAD_SIZE_ORDER" redefined
      15 | #define THREAD_SIZE_ORDER (2 + KASAN_STACK_ORDER)
         | 
   In file included from include/linux/thread_info.h:52,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:18,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:3,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/thread_info.h:9: note: this is the location of the previous definition
       9 | #define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER
         | 
   In file included from arch/x86/include/asm/page_types.h:46,
                    from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
>> arch/x86/include/asm/page_64_types.h:16: warning: "THREAD_SIZE" redefined
      16 | #define THREAD_SIZE  (PAGE_SIZE << THREAD_SIZE_ORDER)
         | 
   In file included from include/linux/thread_info.h:52,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:18,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:3,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/thread_info.h:10: note: this is the location of the previous definition
      10 | #define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE)
         | 
   In file included from ./arch/um/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:80,
                    from include/linux/spinlock.h:53,
                    from include/linux/swait.h:7,
                    from include/linux/completion.h:12,
                    from include/linux/crypto.h:21,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
   include/asm-generic/preempt.h: In function '__preempt_count_dec_and_test':
   include/asm-generic/preempt.h:69:36: error: implicit declaration of function 'tif_need_resched' [-Werror=implicit-function-declaration]
      69 |  return !--*preempt_count_ptr() && tif_need_resched();
         |                                    ^~~~~~~~~~~~~~~~
   In file included from arch/x86/um/asm/processor.h:41,
                    from include/linux/spinlock_up.h:8,
                    from include/linux/spinlock.h:93,
                    from include/linux/swait.h:7,
                    from include/linux/completion.h:12,
                    from include/linux/crypto.h:21,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/processor-generic.h: At top level:
>> arch/um/include/asm/processor-generic.h:71: warning: "TASK_SIZE" redefined
      71 | #define TASK_SIZE (task_size)
         | 
   In file included from arch/x86/include/asm/page_types.h:46,
                    from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/x86/include/asm/page_64_types.h:75: note: this is the location of the previous definition
      75 | #define TASK_SIZE  (test_thread_flag(TIF_ADDR32) ? \
         | 
   In file included from arch/um/kernel/asm-offsets.c:1:
   arch/x86/um/shared/sysdep/kernel-offsets.h:9:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
       9 | void foo(void)
         |      ^~~
   In file included from arch/x86/um/shared/sysdep/kernel-offsets.h:6,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/shared/common-offsets.h: In function 'foo':
   arch/um/include/shared/common-offsets.h:26:15: error: 'HZ' undeclared (first use in this function)
      26 | DEFINE(UM_HZ, HZ);
         |               ^~
   include/linux/kbuild.h:6:62: note: in definition of macro 'DEFINE'
       6 |  asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
         |                                                              ^~~
   arch/um/include/shared/common-offsets.h:26:15: note: each undeclared identifier is reported only once for each function it appears in
      26 | DEFINE(UM_HZ, HZ);
         |               ^~
   include/linux/kbuild.h:6:62: note: in definition of macro 'DEFINE'
       6 |  asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
         |                                                              ^~~
   cc1: some warnings being treated as errors
   make[2]: *** [scripts/Makefile.build:117: arch/um/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1232: prepare0] Error 2
   make[1]: Target 'modules_prepare' not remade because of errors.
   make: *** [Makefile:215: __sub-make] Error 2
   make: Target 'modules_prepare' not remade because of errors.
--
   arch/x86/um/user-offsets.c:18:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
      18 | void foo(void)
         |      ^~~
   In file included from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
>> arch/x86/include/asm/page_types.h:11: warning: "PAGE_SIZE" redefined
      11 | #define PAGE_SIZE  (_AC(1,UL) << PAGE_SHIFT)
         | 
   In file included from arch/um/include/asm/thread_info.h:15,
                    from include/linux/thread_info.h:52,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:18,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:3,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/page.h:14: note: this is the location of the previous definition
      14 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
         | 
   In file included from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
>> arch/x86/include/asm/page_types.h:36: warning: "PAGE_OFFSET" redefined
      36 | #define PAGE_OFFSET  ((unsigned long)__PAGE_OFFSET)
         | 
   In file included from arch/um/include/asm/thread_info.h:15,
                    from include/linux/thread_info.h:52,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:18,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:3,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/page.h:93: note: this is the location of the previous definition
      93 | #define PAGE_OFFSET (uml_physmem)
         | 
   In file included from arch/x86/include/asm/page_types.h:46,
                    from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
>> arch/x86/include/asm/page_64_types.h:15: warning: "THREAD_SIZE_ORDER" redefined
      15 | #define THREAD_SIZE_ORDER (2 + KASAN_STACK_ORDER)
         | 
   In file included from include/linux/thread_info.h:52,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:18,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:3,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/thread_info.h:9: note: this is the location of the previous definition
       9 | #define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER
         | 
   In file included from arch/x86/include/asm/page_types.h:46,
                    from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
>> arch/x86/include/asm/page_64_types.h:16: warning: "THREAD_SIZE" redefined
      16 | #define THREAD_SIZE  (PAGE_SIZE << THREAD_SIZE_ORDER)
         | 
   In file included from include/linux/thread_info.h:52,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:18,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:3,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/thread_info.h:10: note: this is the location of the previous definition
      10 | #define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE)
         | 
   In file included from ./arch/um/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:80,
                    from include/linux/spinlock.h:53,
                    from include/linux/swait.h:7,
                    from include/linux/completion.h:12,
                    from include/linux/crypto.h:21,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
   include/asm-generic/preempt.h: In function '__preempt_count_dec_and_test':
   include/asm-generic/preempt.h:69:36: error: implicit declaration of function 'tif_need_resched' [-Werror=implicit-function-declaration]
      69 |  return !--*preempt_count_ptr() && tif_need_resched();
         |                                    ^~~~~~~~~~~~~~~~
   In file included from arch/x86/um/asm/processor.h:41,
                    from include/linux/spinlock_up.h:8,
                    from include/linux/spinlock.h:93,
                    from include/linux/swait.h:7,
                    from include/linux/completion.h:12,
                    from include/linux/crypto.h:21,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/asm/processor-generic.h: At top level:
>> arch/um/include/asm/processor-generic.h:71: warning: "TASK_SIZE" redefined
      71 | #define TASK_SIZE (task_size)
         | 
   In file included from arch/x86/include/asm/page_types.h:46,
                    from include/linux/slab.h:20,
                    from include/linux/crypto.h:20,
                    from arch/x86/um/shared/sysdep/kernel-offsets.h:5,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/x86/include/asm/page_64_types.h:75: note: this is the location of the previous definition
      75 | #define TASK_SIZE  (test_thread_flag(TIF_ADDR32) ? \
         | 
   In file included from arch/um/kernel/asm-offsets.c:1:
   arch/x86/um/shared/sysdep/kernel-offsets.h:9:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
       9 | void foo(void)
         |      ^~~
   In file included from arch/x86/um/shared/sysdep/kernel-offsets.h:6,
                    from arch/um/kernel/asm-offsets.c:1:
   arch/um/include/shared/common-offsets.h: In function 'foo':
   arch/um/include/shared/common-offsets.h:26:15: error: 'HZ' undeclared (first use in this function)
      26 | DEFINE(UM_HZ, HZ);
         |               ^~
   include/linux/kbuild.h:6:62: note: in definition of macro 'DEFINE'
       6 |  asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
         |                                                              ^~~
   arch/um/include/shared/common-offsets.h:26:15: note: each undeclared identifier is reported only once for each function it appears in
      26 | DEFINE(UM_HZ, HZ);
         |               ^~
   include/linux/kbuild.h:6:62: note: in definition of macro 'DEFINE'
       6 |  asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
         |                                                              ^~~
   cc1: some warnings being treated as errors
   make[2]: *** [scripts/Makefile.build:117: arch/um/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1232: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:215: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +/PAGE_SIZE +11 arch/x86/include/asm/page_types.h

51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08   8  
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08   9  /* PAGE_SHIFT determines the page size */
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  10  #define PAGE_SHIFT		12
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08 @11  #define PAGE_SIZE		(_AC(1,UL) << PAGE_SHIFT)
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  12  #define PAGE_MASK		(~(PAGE_SIZE-1))
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  13  
70f1528747651b Kirill A. Shutemov  2015-11-30  14  #define PMD_PAGE_SIZE		(_AC(1, UL) << PMD_SHIFT)
70f1528747651b Kirill A. Shutemov  2015-11-30  15  #define PMD_PAGE_MASK		(~(PMD_PAGE_SIZE-1))
70f1528747651b Kirill A. Shutemov  2015-11-30  16  
70f1528747651b Kirill A. Shutemov  2015-11-30  17  #define PUD_PAGE_SIZE		(_AC(1, UL) << PUD_SHIFT)
70f1528747651b Kirill A. Shutemov  2015-11-30  18  #define PUD_PAGE_MASK		(~(PUD_PAGE_SIZE-1))
70f1528747651b Kirill A. Shutemov  2015-11-30  19  
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  20  #define __VIRTUAL_MASK		((1UL << __VIRTUAL_MASK_SHIFT) - 1)
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  21  
70f1528747651b Kirill A. Shutemov  2015-11-30  22  /* Cast *PAGE_MASK to a signed type so that it is sign-extended if
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  23     virtual addresses are 32-bits but physical addresses are larger
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  24     (ie, 32-bit PAE). */
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  25  #define PHYSICAL_PAGE_MASK	(((signed long)PAGE_MASK) & __PHYSICAL_MASK)
70f1528747651b Kirill A. Shutemov  2015-11-30  26  #define PHYSICAL_PMD_PAGE_MASK	(((signed long)PMD_PAGE_MASK) & __PHYSICAL_MASK)
70f1528747651b Kirill A. Shutemov  2015-11-30  27  #define PHYSICAL_PUD_PAGE_MASK	(((signed long)PUD_PAGE_MASK) & __PHYSICAL_MASK)
832102671855f7 Toshi Kani          2015-09-17  28  
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  29  #define HPAGE_SHIFT		PMD_SHIFT
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  30  #define HPAGE_SIZE		(_AC(1,UL) << HPAGE_SHIFT)
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  31  #define HPAGE_MASK		(~(HPAGE_SIZE - 1))
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  32  #define HUGETLB_PAGE_ORDER	(HPAGE_SHIFT - PAGE_SHIFT)
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  33  
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  34  #define HUGE_MAX_HSTATE 2
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  35  
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08 @36  #define PAGE_OFFSET		((unsigned long)__PAGE_OFFSET)
51c78eb3f0eb03 Jeremy Fitzhardinge 2009-02-08  37  

:::::: The code at line 11 was first introduced by commit
:::::: 51c78eb3f0eb033f9fb4f2316851df1d9b07b953 x86: create _types.h counterparts for page*.h

:::::: TO: Jeremy Fitzhardinge <jeremy@goop.org>
:::::: CC: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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