arch/m68k/include/asm/page.h:10:25: error: 'CONFIG_PAGE_SHIFT' undeclared; did you mean 'CONFIG_LOG_BUF_SHIFT'?

From: kernel test robot
Date: Sun Oct 13 2024 - 09:21:58 EST

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Hi Arnd,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 36c254515dc6592c44db77b84908358979dd6b50
commit: 5394f1e9b687bcf26595cabf83483e568676128d arch: define CONFIG_PAGE_SIZE_*KB on all architectures
date: 7 months ago
config: m68k-alldefconfig (https://download.01.org/0day-ci/archive/20241013/202410132124.tvD4WAOX-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241013/202410132124.tvD4WAOX-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410132124.tvD4WAOX-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

In file included from arch/m68k/include/asm/thread_info.h:6,
from include/linux/thread_info.h:60,
from include/asm-generic/preempt.h:5,
from ./arch/m68k/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:79,
from arch/m68k/include/asm/processor.h:11,
from include/linux/sched.h:13,
from arch/m68k/kernel/asm-offsets.c:15:
arch/m68k/include/asm/page_mm.h: In function 'virt_to_pfn':
>> arch/m68k/include/asm/page.h:10:25: error: 'CONFIG_PAGE_SHIFT' undeclared (first use in this function); did you mean 'CONFIG_LOG_BUF_SHIFT'?
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/m68k/include/asm/page_mm.h:125:31: note: in expansion of macro 'PAGE_SHIFT'
125 | return __pa(kaddr) >> PAGE_SHIFT;
| ^~~~~~~~~~
arch/m68k/include/asm/page.h:10:25: note: each undeclared identifier is reported only once for each function it appears in
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/m68k/include/asm/page_mm.h:125:31: note: in expansion of macro 'PAGE_SHIFT'
125 | return __pa(kaddr) >> PAGE_SHIFT;
| ^~~~~~~~~~
arch/m68k/include/asm/page_mm.h: In function 'pfn_to_virt':
>> arch/m68k/include/asm/page.h:10:25: error: 'CONFIG_PAGE_SHIFT' undeclared (first use in this function); did you mean 'CONFIG_LOG_BUF_SHIFT'?
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/m68k/include/asm/page_mm.h:130:28: note: in expansion of macro 'PAGE_SHIFT'
130 | return __va(pfn << PAGE_SHIFT);
| ^~~~~~~~~~
include/asm-generic/getorder.h: In function 'get_order':
>> arch/m68k/include/asm/page.h:10:25: error: 'CONFIG_PAGE_SHIFT' undeclared (first use in this function); did you mean 'CONFIG_LOG_BUF_SHIFT'?
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
include/asm-generic/getorder.h:33:48: note: in expansion of macro 'PAGE_SHIFT'
33 | return BITS_PER_LONG - PAGE_SHIFT;
| ^~~~~~~~~~
arch/m68k/include/asm/thread_info.h: At top level:
arch/m68k/include/asm/page.h:10:25: warning: "CONFIG_PAGE_SHIFT" is not defined, evaluates to 0 [-Wundef]
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/m68k/include/asm/thread_info.h:13:5: note: in expansion of macro 'PAGE_SHIFT'
13 | #if PAGE_SHIFT < 13
| ^~~~~~~~~~
arch/m68k/include/asm/page.h:10:25: warning: "CONFIG_PAGE_SHIFT" is not defined, evaluates to 0 [-Wundef]
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/m68k/include/asm/page.h:11:40: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
| ^~~~~~~~~~
include/linux/mm_types_task.h:40:30: note: in expansion of macro 'PAGE_SIZE'
40 | #if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536)
| ^~~~~~~~~
arch/m68k/include/asm/page.h:10:25: warning: "CONFIG_PAGE_SHIFT" is not defined, evaluates to 0 [-Wundef]
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/m68k/include/asm/page.h:11:40: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
| ^~~~~~~~~~
include/linux/mm_types.h:502:6: note: in expansion of macro 'PAGE_SIZE'
502 | #if (PAGE_SIZE < PAGE_FRAG_CACHE_MAX_SIZE)
| ^~~~~~~~~
In file included from include/vdso/const.h:5,
from include/linux/const.h:4,
from include/linux/bits.h:5,
from include/linux/ratelimit_types.h:5,
from include/linux/printk.h:9,
from include/asm-generic/bug.h:22,
from arch/m68k/include/asm/bug.h:32,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13:
arch/m68k/include/asm/page.h:10:25: warning: "CONFIG_PAGE_SHIFT" is not defined, evaluates to 0 [-Wundef]
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
include/uapi/linux/const.h:32:50: note: in definition of macro '__ALIGN_KERNEL_MASK'
32 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
| ^~~~
include/linux/mm_types.h:479:41: note: in expansion of macro '__ALIGN_MASK'
479 | #define PAGE_FRAG_CACHE_MAX_SIZE __ALIGN_MASK(32768, ~PAGE_MASK)
| ^~~~~~~~~~~~
arch/m68k/include/asm/page.h:11:40: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
| ^~~~~~~~~~
arch/m68k/include/asm/page.h:12:28: note: in expansion of macro 'PAGE_SIZE'
12 | #define PAGE_MASK (~(PAGE_SIZE-1))
| ^~~~~~~~~
include/linux/mm_types.h:479:62: note: in expansion of macro 'PAGE_MASK'
479 | #define PAGE_FRAG_CACHE_MAX_SIZE __ALIGN_MASK(32768, ~PAGE_MASK)
| ^~~~~~~~~
include/linux/mm_types.h:502:18: note: in expansion of macro 'PAGE_FRAG_CACHE_MAX_SIZE'
502 | #if (PAGE_SIZE < PAGE_FRAG_CACHE_MAX_SIZE)
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/m68k/include/asm/page.h:10:25: warning: "CONFIG_PAGE_SHIFT" is not defined, evaluates to 0 [-Wundef]
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
include/uapi/linux/const.h:32:61: note: in definition of macro '__ALIGN_KERNEL_MASK'
32 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
| ^~~~
include/linux/mm_types.h:479:41: note: in expansion of macro '__ALIGN_MASK'
479 | #define PAGE_FRAG_CACHE_MAX_SIZE __ALIGN_MASK(32768, ~PAGE_MASK)
| ^~~~~~~~~~~~
arch/m68k/include/asm/page.h:11:40: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
| ^~~~~~~~~~
arch/m68k/include/asm/page.h:12:28: note: in expansion of macro 'PAGE_SIZE'
12 | #define PAGE_MASK (~(PAGE_SIZE-1))
| ^~~~~~~~~
include/linux/mm_types.h:479:62: note: in expansion of macro 'PAGE_MASK'
479 | #define PAGE_FRAG_CACHE_MAX_SIZE __ALIGN_MASK(32768, ~PAGE_MASK)
| ^~~~~~~~~
include/linux/mm_types.h:502:18: note: in expansion of macro 'PAGE_FRAG_CACHE_MAX_SIZE'
502 | #if (PAGE_SIZE < PAGE_FRAG_CACHE_MAX_SIZE)
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmalloc.h: In function 'arch_vmap_pte_range_map_size':
>> arch/m68k/include/asm/page.h:10:25: error: 'CONFIG_PAGE_SHIFT' undeclared (first use in this function); did you mean 'CONFIG_LOG_BUF_SHIFT'?
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/m68k/include/asm/page.h:11:40: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
| ^~~~~~~~~~
include/linux/vmalloc.h:109:16: note: in expansion of macro 'PAGE_SIZE'
109 | return PAGE_SIZE;
| ^~~~~~~~~
include/linux/vmalloc.h: In function 'arch_vmap_pte_supported_shift':
>> arch/m68k/include/asm/page.h:10:25: error: 'CONFIG_PAGE_SHIFT' undeclared (first use in this function); did you mean 'CONFIG_LOG_BUF_SHIFT'?
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
include/linux/vmalloc.h:116:16: note: in expansion of macro 'PAGE_SHIFT'
116 | return PAGE_SHIFT;
| ^~~~~~~~~~
include/linux/vmalloc.h: In function 'get_vm_area_size':
>> arch/m68k/include/asm/page.h:10:25: error: 'CONFIG_PAGE_SHIFT' undeclared (first use in this function); did you mean 'CONFIG_LOG_BUF_SHIFT'?
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/m68k/include/asm/page.h:11:40: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
| ^~~~~~~~~~
include/linux/vmalloc.h:200:37: note: in expansion of macro 'PAGE_SIZE'
200 | return area->size - PAGE_SIZE;
| ^~~~~~~~~
include/linux/slab.h: At top level:
>> arch/m68k/include/asm/page.h:10:25: error: 'CONFIG_PAGE_SHIFT' undeclared here (not in a function); did you mean 'CONFIG_LOG_BUF_SHIFT'?
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
include/linux/slab.h:309:34: note: in expansion of macro 'PAGE_SHIFT'
309 | #define KMALLOC_SHIFT_HIGH (PAGE_SHIFT + 1)
| ^~~~~~~~~~
include/linux/slab.h:379:34: note: in expansion of macro 'KMALLOC_SHIFT_HIGH'
379 | kmalloc_caches[NR_KMALLOC_TYPES][KMALLOC_SHIFT_HIGH + 1];
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/init.h:5,
from include/linux/printk.h:6:
>> arch/m68k/include/asm/page.h:10:25: error: expression in static assertion is not an integer
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/slab.h:475:1: note: in expansion of macro 'static_assert'
475 | static_assert(PAGE_SHIFT <= 20);
| ^~~~~~~~~~~~~
include/linux/slab.h:475:15: note: in expansion of macro 'PAGE_SHIFT'
475 | static_assert(PAGE_SHIFT <= 20);
| ^~~~~~~~~~
In file included from include/linux/irq.h:21,
from include/asm-generic/hardirq.h:17,
from ./arch/m68k/include/generated/asm/hardirq.h:1,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/kernel_stat.h:9,
from arch/m68k/kernel/asm-offsets.c:16:
include/linux/slab.h:522:47: warning: 'assume_aligned' attribute argument <erroneous-expression> is not an integer constant [-Wattributes]
522 | __alloc_size(1);
| ^~~~~~~~~~~~
include/linux/slab.h:525:62: warning: 'assume_aligned' attribute argument <erroneous-expression> is not an integer constant [-Wattributes]
525 | __alloc_size(1);
| ^~~~~~~~~~~~
include/linux/slab.h: In function 'kmalloc':
include/linux/slab.h:584:30: warning: variable 'index' set but not used [-Wunused-but-set-variable]
584 | unsigned int index;
| ^~~~~
include/linux/slab.h: In function 'kmalloc_node':
include/linux/slab.h:600:30: warning: variable 'index' set but not used [-Wunused-but-set-variable]
600 | unsigned int index;
| ^~~~~
make[3]: *** [scripts/Makefile.build:116: arch/m68k/kernel/asm-offsets.s] Error 1
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1199: prepare0] Error 2
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:240: __sub-make] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:240: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.

vim +10 arch/m68k/include/asm/page.h

8
9 /* PAGE_SHIFT determines the page size */
> 10 #define PAGE_SHIFT CONFIG_PAGE_SHIFT
11 #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
12 #define PAGE_MASK (~(PAGE_SIZE-1))
13 #define PAGE_OFFSET (PAGE_OFFSET_RAW)
14

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