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

From: kernel test robot
Date: Sun Jun 13 2021 - 16:45:34 EST

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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@xxxxxxxxx>

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@xxxxxxxx>
:::::: CC: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

---
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