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Message-ID: <202204210643.llJ4EjxK-lkp@intel.com>
Date: Thu, 21 Apr 2022 14:43:39 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 2360/2579] include/linux/huge_mm.h:207:17:
error: implicit declaration of function 'pmd_none'; did you mean 'p4d_none'?
tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head: 49e1ec6c70a6eb4b7de9250a455b8b63eb42afbe
commit: e43870d97c8fb5c656b4592457df87ac2ee05f7a [2360/2579] headers/deps: mm: Optimize <linux/mm_api.h> dependencies, remove <linux/mmzone_api.h> dependency
config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20220421/202204210643.llJ4EjxK-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=e43870d97c8fb5c656b4592457df87ac2ee05f7a
git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
git fetch --no-tags mingo-tip sched/headers
git checkout e43870d97c8fb5c656b4592457df87ac2ee05f7a
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from sound/core/pcm_native.c:14:
include/linux/huge_mm.h: In function 'is_swap_pmd':
>> include/linux/huge_mm.h:207:17: error: implicit declaration of function 'pmd_none'; did you mean 'p4d_none'? [-Werror=implicit-function-declaration]
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~
| p4d_none
>> include/linux/huge_mm.h:207:35: error: implicit declaration of function 'pmd_present'; did you mean 'p4d_present'? [-Werror=implicit-function-declaration]
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~~~~
| p4d_present
include/linux/huge_mm.h: In function 'pmd_trans_huge_lock':
>> include/linux/huge_mm.h:214:34: error: implicit declaration of function 'pmd_trans_huge'; did you mean 'pmd_trans_huge_lock'? [-Werror=implicit-function-declaration]
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~~~~~
| pmd_trans_huge_lock
>> include/linux/huge_mm.h:214:58: error: implicit declaration of function 'pmd_devmap' [-Werror=implicit-function-declaration]
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~
include/linux/huge_mm.h: In function 'pud_trans_huge_lock':
>> include/linux/huge_mm.h:222:13: error: implicit declaration of function 'pud_trans_huge'; did you mean 'pud_trans_huge_lock'? [-Werror=implicit-function-declaration]
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~~~~~
| pud_trans_huge_lock
>> include/linux/huge_mm.h:222:37: error: implicit declaration of function 'pud_devmap'; did you mean 'pud_val'? [-Werror=implicit-function-declaration]
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~
| pud_val
include/linux/huge_mm.h: In function 'is_huge_zero_pmd':
>> include/linux/huge_mm.h:254:44: error: implicit declaration of function 'pmd_pfn' [-Werror=implicit-function-declaration]
254 | return READ_ONCE(huge_zero_pfn) == pmd_pfn(pmd) && pmd_present(pmd);
| ^~~~~~~
In file included from include/linux/pgtable_api.h:19,
from sound/core/pcm_native.c:14:
arch/x86/include/asm/pgtable.h: At top level:
>> arch/x86/include/asm/pgtable.h:209:29: error: conflicting types for 'pmd_pfn'; have 'long unsigned int(pmd_t)'
209 | static inline unsigned long pmd_pfn(pmd_t pmd)
| ^~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from sound/core/pcm_native.c:14:
include/linux/huge_mm.h:254:44: note: previous implicit declaration of 'pmd_pfn' with type 'int()'
254 | return READ_ONCE(huge_zero_pfn) == pmd_pfn(pmd) && pmd_present(pmd);
| ^~~~~~~
In file included from include/linux/pgtable_api.h:19,
from sound/core/pcm_native.c:14:
arch/x86/include/asm/pgtable.h:250:19: error: static declaration of 'pmd_trans_huge' follows non-static declaration
250 | static inline int pmd_trans_huge(pmd_t pmd)
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from sound/core/pcm_native.c:14:
include/linux/huge_mm.h:214:34: note: previous implicit declaration of 'pmd_trans_huge' with type 'int()'
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~~~~~
In file included from include/linux/pgtable_api.h:19,
from sound/core/pcm_native.c:14:
arch/x86/include/asm/pgtable.h:744:19: error: static declaration of 'pmd_present' follows non-static declaration
744 | static inline int pmd_present(pmd_t pmd)
| ^~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from sound/core/pcm_native.c:14:
include/linux/huge_mm.h:207:35: note: previous implicit declaration of 'pmd_present' with type 'int()'
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~~~~
In file included from include/linux/pgtable_api.h:19,
from sound/core/pcm_native.c:14:
arch/x86/include/asm/pgtable.h:773:19: error: static declaration of 'pmd_none' follows non-static declaration
773 | static inline int pmd_none(pmd_t pmd)
| ^~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from sound/core/pcm_native.c:14:
include/linux/huge_mm.h:207:17: note: previous implicit declaration of 'pmd_none' with type 'int()'
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~
In file included from sound/core/pcm_native.c:14:
include/linux/pgtable_api.h:1201:19: error: static declaration of 'pmd_devmap' follows non-static declaration
1201 | static inline int pmd_devmap(pmd_t pmd)
| ^~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from sound/core/pcm_native.c:14:
include/linux/huge_mm.h:214:58: note: previous implicit declaration of 'pmd_devmap' with type 'int()'
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~
In file included from sound/core/pcm_native.c:14:
include/linux/pgtable_api.h:1205:19: error: static declaration of 'pud_devmap' follows non-static declaration
1205 | static inline int pud_devmap(pud_t pud)
| ^~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from sound/core/pcm_native.c:14:
include/linux/huge_mm.h:222:37: note: previous implicit declaration of 'pud_devmap' with type 'int()'
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~
In file included from sound/core/pcm_native.c:14:
include/linux/pgtable_api.h:1218:19: error: static declaration of 'pud_trans_huge' follows non-static declaration
1218 | static inline int pud_trans_huge(pud_t pud)
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from sound/core/pcm_native.c:14:
include/linux/huge_mm.h:222:13: note: previous implicit declaration of 'pud_trans_huge' with type 'int()'
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from drivers/pci/pci.c:47:
include/linux/huge_mm.h: In function 'is_swap_pmd':
>> include/linux/huge_mm.h:207:17: error: implicit declaration of function 'pmd_none'; did you mean 'p4d_none'? [-Werror=implicit-function-declaration]
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~
| p4d_none
>> include/linux/huge_mm.h:207:35: error: implicit declaration of function 'pmd_present'; did you mean 'p4d_present'? [-Werror=implicit-function-declaration]
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~~~~
| p4d_present
include/linux/huge_mm.h: In function 'pmd_trans_huge_lock':
>> include/linux/huge_mm.h:214:34: error: implicit declaration of function 'pmd_trans_huge'; did you mean 'pmd_trans_huge_lock'? [-Werror=implicit-function-declaration]
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~~~~~
| pmd_trans_huge_lock
>> include/linux/huge_mm.h:214:58: error: implicit declaration of function 'pmd_devmap' [-Werror=implicit-function-declaration]
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~
include/linux/huge_mm.h: In function 'pud_trans_huge_lock':
>> include/linux/huge_mm.h:222:13: error: implicit declaration of function 'pud_trans_huge'; did you mean 'pud_trans_huge_lock'? [-Werror=implicit-function-declaration]
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~~~~~
| pud_trans_huge_lock
include/linux/huge_mm.h:222:37: error: implicit declaration of function 'pud_devmap' [-Werror=implicit-function-declaration]
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~
include/linux/huge_mm.h: In function 'is_huge_zero_pmd':
>> include/linux/huge_mm.h:254:44: error: implicit declaration of function 'pmd_pfn' [-Werror=implicit-function-declaration]
254 | return READ_ONCE(huge_zero_pfn) == pmd_pfn(pmd) && pmd_present(pmd);
| ^~~~~~~
In file included from include/linux/pgtable_api.h:19,
from drivers/pci/pci.c:47:
arch/x86/include/asm/pgtable.h: At top level:
>> arch/x86/include/asm/pgtable.h:209:29: error: conflicting types for 'pmd_pfn'; have 'long unsigned int(pmd_t)'
209 | static inline unsigned long pmd_pfn(pmd_t pmd)
| ^~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from drivers/pci/pci.c:47:
include/linux/huge_mm.h:254:44: note: previous implicit declaration of 'pmd_pfn' with type 'int()'
254 | return READ_ONCE(huge_zero_pfn) == pmd_pfn(pmd) && pmd_present(pmd);
| ^~~~~~~
In file included from include/linux/pgtable_api.h:19,
from drivers/pci/pci.c:47:
arch/x86/include/asm/pgtable.h:250:19: error: static declaration of 'pmd_trans_huge' follows non-static declaration
250 | static inline int pmd_trans_huge(pmd_t pmd)
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from drivers/pci/pci.c:47:
include/linux/huge_mm.h:214:34: note: previous implicit declaration of 'pmd_trans_huge' with type 'int()'
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~~~~~
In file included from include/linux/pgtable_api.h:19,
from drivers/pci/pci.c:47:
arch/x86/include/asm/pgtable.h:744:19: error: static declaration of 'pmd_present' follows non-static declaration
744 | static inline int pmd_present(pmd_t pmd)
| ^~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from drivers/pci/pci.c:47:
include/linux/huge_mm.h:207:35: note: previous implicit declaration of 'pmd_present' with type 'int()'
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~~~~
In file included from include/linux/pgtable_api.h:19,
from drivers/pci/pci.c:47:
arch/x86/include/asm/pgtable.h:773:19: error: static declaration of 'pmd_none' follows non-static declaration
773 | static inline int pmd_none(pmd_t pmd)
| ^~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from drivers/pci/pci.c:47:
include/linux/huge_mm.h:207:17: note: previous implicit declaration of 'pmd_none' with type 'int()'
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~
In file included from drivers/pci/pci.c:47:
include/linux/pgtable_api.h:1201:19: error: static declaration of 'pmd_devmap' follows non-static declaration
1201 | static inline int pmd_devmap(pmd_t pmd)
| ^~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from drivers/pci/pci.c:47:
include/linux/huge_mm.h:214:58: note: previous implicit declaration of 'pmd_devmap' with type 'int()'
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~
In file included from drivers/pci/pci.c:47:
include/linux/pgtable_api.h:1205:19: error: static declaration of 'pud_devmap' follows non-static declaration
1205 | static inline int pud_devmap(pud_t pud)
| ^~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from drivers/pci/pci.c:47:
include/linux/huge_mm.h:222:37: note: previous implicit declaration of 'pud_devmap' with type 'int()'
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~
In file included from drivers/pci/pci.c:47:
include/linux/pgtable_api.h:1218:19: error: static declaration of 'pud_trans_huge' follows non-static declaration
1218 | static inline int pud_trans_huge(pud_t pud)
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from drivers/pci/pci.c:47:
include/linux/huge_mm.h:222:13: note: previous implicit declaration of 'pud_trans_huge' with type 'int()'
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from kernel/trace/trace.c:25:
include/linux/huge_mm.h: In function 'is_swap_pmd':
>> include/linux/huge_mm.h:207:17: error: implicit declaration of function 'pmd_none'; did you mean 'p4d_none'? [-Werror=implicit-function-declaration]
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~
| p4d_none
>> include/linux/huge_mm.h:207:35: error: implicit declaration of function 'pmd_present'; did you mean 'p4d_present'? [-Werror=implicit-function-declaration]
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~~~~
| p4d_present
include/linux/huge_mm.h: In function 'pmd_trans_huge_lock':
>> include/linux/huge_mm.h:214:34: error: implicit declaration of function 'pmd_trans_huge'; did you mean 'pmd_trans_huge_lock'? [-Werror=implicit-function-declaration]
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~~~~~
| pmd_trans_huge_lock
>> include/linux/huge_mm.h:214:58: error: implicit declaration of function 'pmd_devmap' [-Werror=implicit-function-declaration]
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~
include/linux/huge_mm.h: In function 'pud_trans_huge_lock':
>> include/linux/huge_mm.h:222:13: error: implicit declaration of function 'pud_trans_huge'; did you mean 'pud_trans_huge_lock'? [-Werror=implicit-function-declaration]
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~~~~~
| pud_trans_huge_lock
>> include/linux/huge_mm.h:222:37: error: implicit declaration of function 'pud_devmap'; did you mean 'pud_val'? [-Werror=implicit-function-declaration]
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~
| pud_val
include/linux/huge_mm.h: In function 'is_huge_zero_pmd':
>> include/linux/huge_mm.h:254:44: error: implicit declaration of function 'pmd_pfn' [-Werror=implicit-function-declaration]
254 | return READ_ONCE(huge_zero_pfn) == pmd_pfn(pmd) && pmd_present(pmd);
| ^~~~~~~
In file included from include/linux/pgtable_api.h:19,
from kernel/trace/trace.c:25:
arch/x86/include/asm/pgtable.h: At top level:
>> arch/x86/include/asm/pgtable.h:209:29: error: conflicting types for 'pmd_pfn'; have 'long unsigned int(pmd_t)'
209 | static inline unsigned long pmd_pfn(pmd_t pmd)
| ^~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from kernel/trace/trace.c:25:
include/linux/huge_mm.h:254:44: note: previous implicit declaration of 'pmd_pfn' with type 'int()'
254 | return READ_ONCE(huge_zero_pfn) == pmd_pfn(pmd) && pmd_present(pmd);
| ^~~~~~~
In file included from include/linux/pgtable_api.h:19,
from kernel/trace/trace.c:25:
arch/x86/include/asm/pgtable.h:250:19: error: static declaration of 'pmd_trans_huge' follows non-static declaration
250 | static inline int pmd_trans_huge(pmd_t pmd)
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from kernel/trace/trace.c:25:
include/linux/huge_mm.h:214:34: note: previous implicit declaration of 'pmd_trans_huge' with type 'int()'
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~~~~~
In file included from include/linux/pgtable_api.h:19,
from kernel/trace/trace.c:25:
arch/x86/include/asm/pgtable.h:744:19: error: static declaration of 'pmd_present' follows non-static declaration
744 | static inline int pmd_present(pmd_t pmd)
| ^~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from kernel/trace/trace.c:25:
include/linux/huge_mm.h:207:35: note: previous implicit declaration of 'pmd_present' with type 'int()'
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~~~~
In file included from include/linux/pgtable_api.h:19,
from kernel/trace/trace.c:25:
arch/x86/include/asm/pgtable.h:773:19: error: static declaration of 'pmd_none' follows non-static declaration
773 | static inline int pmd_none(pmd_t pmd)
| ^~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from kernel/trace/trace.c:25:
include/linux/huge_mm.h:207:17: note: previous implicit declaration of 'pmd_none' with type 'int()'
207 | return !pmd_none(pmd) && !pmd_present(pmd);
| ^~~~~~~~
In file included from kernel/trace/trace.c:25:
include/linux/pgtable_api.h:1201:19: error: static declaration of 'pmd_devmap' follows non-static declaration
1201 | static inline int pmd_devmap(pmd_t pmd)
| ^~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from kernel/trace/trace.c:25:
include/linux/huge_mm.h:214:58: note: previous implicit declaration of 'pmd_devmap' with type 'int()'
214 | if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
| ^~~~~~~~~~
In file included from kernel/trace/trace.c:25:
include/linux/pgtable_api.h:1205:19: error: static declaration of 'pud_devmap' follows non-static declaration
1205 | static inline int pud_devmap(pud_t pud)
| ^~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from kernel/trace/trace.c:25:
include/linux/huge_mm.h:222:37: note: previous implicit declaration of 'pud_devmap' with type 'int()'
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~
In file included from kernel/trace/trace.c:25:
include/linux/pgtable_api.h:1218:19: error: static declaration of 'pud_trans_huge' follows non-static declaration
1218 | static inline int pud_trans_huge(pud_t pud)
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_api.h:393,
from arch/x86/include/asm/tlbflush.h:5,
from arch/x86/include/asm/highmem.h:26,
from include/linux/mmzone_api.h:33,
from include/linux/pgtable_api.h:15,
from kernel/trace/trace.c:25:
include/linux/huge_mm.h:222:13: note: previous implicit declaration of 'pud_trans_huge' with type 'int()'
222 | if (pud_trans_huge(*pud) || pud_devmap(*pud))
| ^~~~~~~~~~~~~~
kernel/trace/trace.c: In function 'trace_check_vprintf':
kernel/trace/trace.c:3868:17: warning: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
3868 | trace_seq_vprintf(&iter->seq, iter->fmt, ap);
| ^~~~~~~~~~~~~~~~~
kernel/trace/trace.c:3935:17: warning: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
3935 | trace_seq_vprintf(&iter->seq, p, ap);
| ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
..
vim +207 include/linux/huge_mm.h
84c3fc4e9c563d8 Zi Yan 2017-09-08 204
84c3fc4e9c563d8 Zi Yan 2017-09-08 205 static inline int is_swap_pmd(pmd_t pmd)
84c3fc4e9c563d8 Zi Yan 2017-09-08 206 {
84c3fc4e9c563d8 Zi Yan 2017-09-08 @207 return !pmd_none(pmd) && !pmd_present(pmd);
84c3fc4e9c563d8 Zi Yan 2017-09-08 208 }
84c3fc4e9c563d8 Zi Yan 2017-09-08 209
c1e8d7c6a7a682e Michel Lespinasse 2020-06-08 210 /* mmap_lock must be held on entry */
b6ec57f4b92e9ba Kirill A. Shutemov 2016-01-21 211 static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd,
b6ec57f4b92e9ba Kirill A. Shutemov 2016-01-21 212 struct vm_area_struct *vma)
025c5b2451e42c9 Naoya Horiguchi 2012-03-21 213 {
84c3fc4e9c563d8 Zi Yan 2017-09-08 @214 if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
b6ec57f4b92e9ba Kirill A. Shutemov 2016-01-21 215 return __pmd_trans_huge_lock(pmd, vma);
025c5b2451e42c9 Naoya Horiguchi 2012-03-21 216 else
969e8d7e47f93ef Chen Gang 2016-04-01 217 return NULL;
025c5b2451e42c9 Naoya Horiguchi 2012-03-21 218 }
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 219 static inline spinlock_t *pud_trans_huge_lock(pud_t *pud,
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 220 struct vm_area_struct *vma)
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 221 {
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 @222 if (pud_trans_huge(*pud) || pud_devmap(*pud))
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 223 return __pud_trans_huge_lock(pud, vma);
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 224 else
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 225 return NULL;
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 226 }
6ffbb45826f5d9a Matthew Wilcox (Oracle 2020-08-14 227)
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 228) /**
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 229) * folio_test_pmd_mappable - Can we map this folio with a PMD?
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 230) * @folio: The folio to test
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 231) */
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 232) static inline bool folio_test_pmd_mappable(struct folio *folio)
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 233) {
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 234) return folio_order(folio) >= HPAGE_PMD_ORDER;
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 235) }
5bf34d7c7ffe773 Matthew Wilcox (Oracle 2021-11-28 236)
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 237 struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr,
df06b37ffe5a442 Keith Busch 2018-10-26 238 pmd_t *pmd, int flags, struct dev_pagemap **pgmap);
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 239 struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr,
df06b37ffe5a442 Keith Busch 2018-10-26 240 pud_t *pud, int flags, struct dev_pagemap **pgmap);
a00cc7d9dd93d66 Matthew Wilcox 2017-02-24 241
5db4f15c4fd7ae7 Yang Shi 2021-06-30 242 vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf);
d10e63f29488b0f Mel Gorman 2012-10-25 243
56873f43abdcd57 Wang, Yalin 2015-02-11 244 extern struct page *huge_zero_page;
3b77e8c8cde581d Hugh Dickins 2021-06-15 245 extern unsigned long huge_zero_pfn;
56873f43abdcd57 Wang, Yalin 2015-02-11 246
56873f43abdcd57 Wang, Yalin 2015-02-11 247 static inline bool is_huge_zero_page(struct page *page)
56873f43abdcd57 Wang, Yalin 2015-02-11 248 {
6aa7de059173a98 Mark Rutland 2017-10-23 249 return READ_ONCE(huge_zero_page) == page;
56873f43abdcd57 Wang, Yalin 2015-02-11 250 }
56873f43abdcd57 Wang, Yalin 2015-02-11 251
fc43704437ebe40 Matthew Wilcox 2015-09-08 252 static inline bool is_huge_zero_pmd(pmd_t pmd)
fc43704437ebe40 Matthew Wilcox 2015-09-08 253 {
3b77e8c8cde581d Hugh Dickins 2021-06-15 @254 return READ_ONCE(huge_zero_pfn) == pmd_pfn(pmd) && pmd_present(pmd);
fc43704437ebe40 Matthew Wilcox 2015-09-08 255 }
fc43704437ebe40 Matthew Wilcox 2015-09-08 256
:::::: The code at line 207 was first introduced by commit
:::::: 84c3fc4e9c563d8fb91cfdf5948da48fe1af34d3 mm: thp: check pmd migration entry in common path
:::::: TO: Zi Yan <zi.yan@...rutgers.edu>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
--
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