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Message-ID: <202408280559.FIsoHAAc-lkp@intel.com>
Date: Wed, 28 Aug 2024 05:21:04 +0800
From: kernel test robot <lkp@...el.com>
To: Kees Cook <kees@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Vlastimil Babka <vbabka@...e.cz>
Subject: include/linux/slab.h:552:15: error: type defaults to 'int' in
declaration of 'kmem_buckets_create'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3ec3f5fc4a91e389ea56b111a73d97ffc94f19c6
commit: b32801d1255be1da62ea8134df3ed9f3331fba12 mm/slab: Introduce kmem_buckets_create() and family
date: 8 weeks ago
config: x86_64-randconfig-072-20240827 (https://download.01.org/0day-ci/archive/20240828/202408280559.FIsoHAAc-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240828/202408280559.FIsoHAAc-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408280559.FIsoHAAc-lkp@intel.com/
All errors (new ones prefixed by >>):
arch/x86/include/asm/fpu/types.h:355:22: note: in expansion of macro 'PAGE_SIZE'
355 | u8 __padding[PAGE_SIZE];
| ^~~~~~~~~
arch/x86/include/asm/page_types.h:10:33: warning: "CONFIG_PAGE_SHIFT" is not defined, evaluates to 0 [-Wundef]
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
arch/x86/include/asm/page_types.h:11:47: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
| ^~~~~~~~~~
include/linux/mm_types.h:531:6: note: in expansion of macro 'PAGE_SIZE'
531 | #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/list.h:9,
from include/linux/swait.h:5,
from include/linux/completion.h:12,
from include/linux/crypto.h:15,
from arch/x86/kernel/asm-offsets.c:9:
arch/x86/include/asm/page_types.h:10:33: 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:508:41: note: in expansion of macro '__ALIGN_MASK'
508 | #define PAGE_FRAG_CACHE_MAX_SIZE __ALIGN_MASK(32768, ~PAGE_MASK)
| ^~~~~~~~~~~~
arch/x86/include/asm/page_types.h:11:47: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
| ^~~~~~~~~~
arch/x86/include/asm/page_types.h:12:36: note: in expansion of macro 'PAGE_SIZE'
12 | #define PAGE_MASK (~(PAGE_SIZE-1))
| ^~~~~~~~~
include/linux/mm_types.h:508:62: note: in expansion of macro 'PAGE_MASK'
508 | #define PAGE_FRAG_CACHE_MAX_SIZE __ALIGN_MASK(32768, ~PAGE_MASK)
| ^~~~~~~~~
include/linux/mm_types.h:531:18: note: in expansion of macro 'PAGE_FRAG_CACHE_MAX_SIZE'
531 | #if (PAGE_SIZE < PAGE_FRAG_CACHE_MAX_SIZE)
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/page_types.h:10:33: 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:508:41: note: in expansion of macro '__ALIGN_MASK'
508 | #define PAGE_FRAG_CACHE_MAX_SIZE __ALIGN_MASK(32768, ~PAGE_MASK)
| ^~~~~~~~~~~~
arch/x86/include/asm/page_types.h:11:47: note: in expansion of macro 'PAGE_SHIFT'
11 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
| ^~~~~~~~~~
arch/x86/include/asm/page_types.h:12:36: note: in expansion of macro 'PAGE_SIZE'
12 | #define PAGE_MASK (~(PAGE_SIZE-1))
| ^~~~~~~~~
include/linux/mm_types.h:508:62: note: in expansion of macro 'PAGE_MASK'
508 | #define PAGE_FRAG_CACHE_MAX_SIZE __ALIGN_MASK(32768, ~PAGE_MASK)
| ^~~~~~~~~
include/linux/mm_types.h:531:18: note: in expansion of macro 'PAGE_FRAG_CACHE_MAX_SIZE'
531 | #if (PAGE_SIZE < PAGE_FRAG_CACHE_MAX_SIZE)
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/x86/include/asm/page.h:9,
from arch/x86/include/asm/thread_info.h:12,
from include/linux/thread_info.h:60,
from include/linux/spinlock.h:60,
from include/linux/swait.h:7,
from include/linux/completion.h:12,
from include/linux/crypto.h:15,
from arch/x86/kernel/asm-offsets.c:9:
arch/x86/include/asm/page_types.h:10:33: warning: "CONFIG_PAGE_SHIFT" is not defined, evaluates to 0 [-Wundef]
10 | #define PAGE_SHIFT CONFIG_PAGE_SHIFT
| ^~~~~~~~~~~~~~~~~
include/linux/mmzone.h:1757:23: note: in expansion of macro 'PAGE_SHIFT'
1757 | #if (MAX_PAGE_ORDER + PAGE_SHIFT) > SECTION_SIZE_BITS
| ^~~~~~~~~~
In file included from include/linux/crypto.h:17,
from arch/x86/kernel/asm-offsets.c:9:
include/linux/slab.h:431:21: error: type defaults to 'int' in declaration of 'kmalloc_caches' [-Werror=implicit-int]
431 | extern kmem_buckets kmalloc_caches[NR_KMALLOC_TYPES];
| ^~~~~~~~~~~~~~
In file included from include/linux/container_of.h:5,
from include/linux/list.h:5,
from include/linux/swait.h:5,
from include/linux/completion.h:12,
from include/linux/crypto.h:15,
from arch/x86/kernel/asm-offsets.c:9:
arch/x86/include/asm/page_types.h:10:33: 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:527:1: note: in expansion of macro 'static_assert'
527 | static_assert(PAGE_SHIFT <= 20);
| ^~~~~~~~~~~~~
include/linux/slab.h:527:15: note: in expansion of macro 'PAGE_SHIFT'
527 | static_assert(PAGE_SHIFT <= 20);
| ^~~~~~~~~~
In file included from include/linux/crypto.h:17,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/slab.h:552:15: error: type defaults to 'int' in declaration of 'kmem_buckets_create' [-Werror=implicit-int]
552 | kmem_buckets *kmem_buckets_create(const char *name, slab_flags_t flags,
| ^~~~~~~~~~~~~~~~~~~
include/linux/slab.h:612:33: warning: 'assume_aligned' attribute argument <erroneous-expression> is not an integer constant [-Wattributes]
612 | __assume_page_alignment __alloc_size(1);
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/slab.h:615:33: warning: 'assume_aligned' attribute argument <erroneous-expression> is not an integer constant [-Wattributes]
615 | __assume_page_alignment __alloc_size(1);
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/slab.h: In function 'kmalloc_noprof':
include/linux/slab.h:682:78: error: subscripted value is neither array nor pointer nor vector
682 | kmalloc_caches[kmalloc_type(flags, _RET_IP_)][index],
| ^
include/linux/slab.h:675:30: warning: variable 'index' set but not used [-Wunused-but-set-variable]
675 | unsigned int index;
| ^~~~~
include/linux/slab.h: In function 'kmalloc_node_noprof':
include/linux/slab.h:705:78: error: subscripted value is neither array nor pointer nor vector
705 | kmalloc_caches[kmalloc_type(flags, _RET_IP_)][index],
| ^
include/linux/slab.h:698:30: warning: variable 'index' set but not used [-Wunused-but-set-variable]
698 | unsigned int index;
| ^~~~~
In file included from include/linux/container_of.h:5,
from include/linux/list.h:5,
from include/linux/swait.h:5,
from include/linux/completion.h:12,
from include/linux/crypto.h:15,
from arch/x86/kernel/asm-offsets.c:9:
include/linux/highmem.h: In function 'memcpy_from_file_folio':
include/linux/minmax.h:31:9: error: first argument to '__builtin_choose_expr' not a constant
31 | __builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))), \
| ^~~~~~~~~~~~~~~~~~~~~
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/minmax.h:51:9: note: in expansion of macro 'static_assert'
51 | static_assert(__types_ok(x, y), \
| ^~~~~~~~~~~~~
include/linux/minmax.h:39:28: note: in expansion of macro '__is_signed'
39 | (__is_signed(x) == __is_signed(y) || \
| ^~~~~~~~~~~
include/linux/minmax.h:51:23: note: in expansion of macro '__types_ok'
51 | static_assert(__types_ok(x, y), \
| ^~~~~~~~~~
include/linux/minmax.h:58:17: note: in expansion of macro '__cmp_once'
58 | __cmp_once(op, x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y)))
| ^~~~~~~~~~
include/linux/minmax.h:161:33: note: in expansion of macro '__careful_cmp'
161 | #define min_t(type, x, y) __careful_cmp(min, (type)(x), (type)(y))
| ^~~~~~~~~~~~~
include/linux/highmem.h:596:23: note: in expansion of macro 'min_t'
596 | len = min_t(size_t, len, PAGE_SIZE - offset);
| ^~~~~
include/linux/minmax.h:31:9: error: first argument to '__builtin_choose_expr' not a constant
31 | __builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))), \
| ^~~~~~~~~~~~~~~~~~~~~
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/minmax.h:51:9: note: in expansion of macro 'static_assert'
51 | static_assert(__types_ok(x, y), \
| ^~~~~~~~~~~~~
include/linux/minmax.h:40:41: note: in expansion of macro '__is_signed'
40 | __is_signed((x) + 0) == __is_signed((y) + 0) || \
| ^~~~~~~~~~~
include/linux/minmax.h:51:23: note: in expansion of macro '__types_ok'
51 | static_assert(__types_ok(x, y), \
| ^~~~~~~~~~
include/linux/minmax.h:58:17: note: in expansion of macro '__cmp_once'
58 | __cmp_once(op, x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y)))
| ^~~~~~~~~~
include/linux/minmax.h:161:33: note: in expansion of macro '__careful_cmp'
161 | #define min_t(type, x, y) __careful_cmp(min, (type)(x), (type)(y))
| ^~~~~~~~~~~~~
include/linux/highmem.h:596:23: note: in expansion of macro 'min_t'
596 | len = min_t(size_t, len, PAGE_SIZE - offset);
| ^~~~~
include/linux/minmax.h:31:9: error: first argument to '__builtin_choose_expr' not a constant
31 | __builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))), \
| ^~~~~~~~~~~~~~~~~~~~~
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/minmax.h:51:9: note: in expansion of macro 'static_assert'
51 | static_assert(__types_ok(x, y), \
| ^~~~~~~~~~~~~
include/linux/minmax.h:36:53: note: in expansion of macro '__is_signed'
36 | (__builtin_choose_expr(__is_constexpr(x) && __is_signed(x), x, -1) >= 0)
| ^~~~~~~~~~~
include/linux/minmax.h:41:38: note: in expansion of macro '__is_noneg_int'
41 | __is_noneg_int(x) || __is_noneg_int(y))
| ^~~~~~~~~~~~~~
include/linux/minmax.h:51:23: note: in expansion of macro '__types_ok'
51 | static_assert(__types_ok(x, y), \
| ^~~~~~~~~~
include/linux/minmax.h:58:17: note: in expansion of macro '__cmp_once'
58 | __cmp_once(op, x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y)))
| ^~~~~~~~~~
include/linux/minmax.h:161:33: note: in expansion of macro '__careful_cmp'
161 | #define min_t(type, x, y) __careful_cmp(min, (type)(x), (type)(y))
vim +552 include/linux/slab.h
551
> 552 kmem_buckets *kmem_buckets_create(const char *name, slab_flags_t flags,
553 unsigned int useroffset, unsigned int usersize,
554 void (*ctor)(void *));
555
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