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Date: Thu, 7 Oct 2021 07:24:48 +0800
From: kernel test robot <lkp@...el.com>
To: Mina Almasry <almasrymina@...gle.com>
Cc: kbuild-all@...ts.01.org, Mina Almasry <almasrymina@...gle.com>,
Mike Kravetz <mike.kravetz@...cle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
linux-kernel@...r.kernel.org, Ken Chen <kenchen@...gle.com>,
Chris Kennelly <ckennelly@...gle.com>,
Michal Hocko <mhocko@...e.com>,
Vlastimil Babka <vbabka@...e.cz>,
Kirill Shutemov <kirill@...temov.name>
Subject: Re: [PATCH v4 1/2] mm, hugepages: add mremap() support for hugepage
backed vma
Hi Mina,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on hnaz-mm/master]
url: https://github.com/0day-ci/linux/commits/Mina-Almasry/mm-hugepages-add-mremap-support-for-hugepage-backed-vma/20211007-034701
base: https://github.com/hnaz/linux-mm master
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://github.com/0day-ci/linux/commit/3829eb526dc386bfb3870172413086cd8f874738
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mina-Almasry/mm-hugepages-add-mremap-support-for-hugepage-backed-vma/20211007-034701
git checkout 3829eb526dc386bfb3870172413086cd8f874738
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
ld: kernel/sysctl.o: in function `hugetlb_vma_shareable':
>> sysctl.c:(.text+0x1dc0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/core.o: in function `hugetlb_vma_shareable':
core.c:(.text+0x7a0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/loadavg.o: in function `hugetlb_vma_shareable':
loadavg.c:(.text+0x0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/clock.o: in function `hugetlb_vma_shareable':
clock.c:(.text+0x20): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/cputime.o: in function `hugetlb_vma_shareable':
cputime.c:(.text+0x0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/idle.o: in function `hugetlb_vma_shareable':
idle.c:(.text+0x110): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/fair.o: in function `hugetlb_vma_shareable':
fair.c:(.text+0x2010): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/rt.o: in function `hugetlb_vma_shareable':
rt.c:(.text+0x1040): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/deadline.o: in function `hugetlb_vma_shareable':
deadline.c:(.text+0x2610): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/wait.o: in function `hugetlb_vma_shareable':
wait.c:(.text+0xa70): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/wait_bit.o: in function `hugetlb_vma_shareable':
wait_bit.c:(.text+0x240): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/swait.o: in function `hugetlb_vma_shareable':
swait.c:(.text+0x3f0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/completion.o: in function `hugetlb_vma_shareable':
completion.c:(.text+0x180): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/debug.o: in function `hugetlb_vma_shareable':
debug.c:(.text+0x0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/cpuacct.o: in function `hugetlb_vma_shareable':
cpuacct.c:(.text+0x400): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: kernel/sched/membarrier.o: in function `hugetlb_vma_shareable':
membarrier.c:(.text+0x0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/filemap.o: in function `hugetlb_vma_shareable':
filemap.c:(.text+0x47f0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/folio-compat.o: in function `hugetlb_vma_shareable':
folio-compat.c:(.text+0x2a0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/swap.o: in function `hugetlb_vma_shareable':
swap.c:(.text+0x1a30): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/vmscan.o: in function `hugetlb_vma_shareable':
vmscan.c:(.text+0x24c0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/shmem.o: in function `hugetlb_vma_shareable':
shmem.c:(.text+0x52b0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/util.o: in function `hugetlb_vma_shareable':
util.c:(.text+0xcb0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/compaction.o: in function `hugetlb_vma_shareable':
compaction.c:(.text+0x0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/debug.o: in function `hugetlb_vma_shareable':
debug.c:(.text+0x1b0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/gup.o: in function `hugetlb_vma_shareable':
gup.c:(.text+0x800): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/memory.o: in function `hugetlb_vma_shareable':
memory.c:(.text+0xc70): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/mincore.o: in function `hugetlb_vma_shareable':
mincore.c:(.text+0x2b0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/mlock.o: in function `hugetlb_vma_shareable':
mlock.c:(.text+0x740): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/mmap.o: in function `hugetlb_vma_shareable':
mmap.c:(.text+0xa20): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/mprotect.o: in function `hugetlb_vma_shareable':
mprotect.c:(.text+0x0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/mremap.o: in function `hugetlb_vma_shareable':
mremap.c:(.text+0x210): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/page_vma_mapped.o: in function `hugetlb_vma_shareable':
page_vma_mapped.c:(.text+0x0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/pagewalk.o: in function `hugetlb_vma_shareable':
pagewalk.c:(.text+0x5c0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/pgtable-generic.o: in function `hugetlb_vma_shareable':
pgtable-generic.c:(.text+0x0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/rmap.o: in function `hugetlb_vma_shareable':
rmap.c:(.text+0x7d0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/vmalloc.o: in function `hugetlb_vma_shareable':
vmalloc.c:(.text+0x2870): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/page_alloc.o: in function `hugetlb_vma_shareable':
page_alloc.c:(.text+0x1bb0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/madvise.o: in function `hugetlb_vma_shareable':
madvise.c:(.text+0x1770): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/swap_state.o: in function `hugetlb_vma_shareable':
swap_state.c:(.text+0x120): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/swapfile.o: in function `hugetlb_vma_shareable':
swapfile.c:(.text+0x1050): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: mm/memfd.o: in function `hugetlb_vma_shareable':
memfd.c:(.text+0x4a0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: fs/aio.o: in function `hugetlb_vma_shareable':
aio.c:(.text+0x37f0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: fs/io_uring.o: in function `hugetlb_vma_shareable':
io_uring.c:(.text+0xdb10): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: fs/binfmt_elf.o: in function `hugetlb_vma_shareable':
binfmt_elf.c:(.text+0x3190): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: fs/iomap/buffered-io.o: in function `hugetlb_vma_shareable':
buffered-io.c:(.text+0x3730): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: fs/proc/task_mmu.o: in function `hugetlb_vma_shareable':
task_mmu.c:(.text+0x1f90): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: fs/proc/array.o: in function `hugetlb_vma_shareable':
array.c:(.text+0x70): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: fs/proc/meminfo.o: in function `hugetlb_vma_shareable':
meminfo.c:(.text+0x50): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: fs/proc/page.o: in function `hugetlb_vma_shareable':
page.c:(.text+0x1c0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: ipc/shm.o: in function `hugetlb_vma_shareable':
shm.c:(.text+0x14c0): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
ld: security/commoncap.o: in function `hugetlb_vma_shareable':
commoncap.c:(.text+0x70): multiple definition of `hugetlb_vma_shareable'; kernel/fork.o:fork.c:(.text+0xc90): first defined here
--
In file included from kernel/fork.c:51:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/fork.c:161:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
161 | void __weak arch_release_task_struct(struct task_struct *tsk)
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/fork.c:814:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes]
814 | void __init __weak arch_task_cache_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~
kernel/fork.c:909:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
909 | int __weak arch_dup_task_struct(struct task_struct *dst,
| ^~~~~~~~~~~~~~~~~~~~
In file included from kernel/fork.c:51:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from kernel/sysctl.c:46:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
In file included from kernel/sysctl.c:46:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/core.c:13:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c: In function 'ttwu_stat':
kernel/sched/core.c:3482:13: warning: variable 'rq' set but not used [-Wunused-but-set-variable]
3482 | struct rq *rq;
| ^~
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/core.c:13:
At top level:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/fair.c:23:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:631:5: warning: no previous prototype for 'sched_update_scaling' [-Wmissing-prototypes]
631 | int sched_update_scaling(void)
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: In function 'update_curr':
kernel/sched/fair.c:860:28: warning: variable 'stats' set but not used [-Wunused-but-set-variable]
860 | struct sched_statistics *stats;
| ^~~~~
kernel/sched/fair.c: In function 'update_stats_wait_start_fair':
kernel/sched/fair.c:893:22: warning: variable 'p' set but not used [-Wunused-but-set-variable]
893 | struct task_struct *p = NULL;
| ^
kernel/sched/fair.c:892:27: warning: variable 'stats' set but not used [-Wunused-but-set-variable]
892 | struct sched_statistics *stats;
| ^~~~~
kernel/sched/fair.c: In function 'update_stats_wait_end_fair':
kernel/sched/fair.c:910:22: warning: variable 'p' set but not used [-Wunused-but-set-variable]
910 | struct task_struct *p = NULL;
| ^
kernel/sched/fair.c:909:27: warning: variable 'stats' set but not used [-Wunused-but-set-variable]
909 | struct sched_statistics *stats;
| ^~~~~
kernel/sched/fair.c: In function 'update_stats_enqueue_sleeper_fair':
kernel/sched/fair.c:936:22: warning: variable 'tsk' set but not used [-Wunused-but-set-variable]
936 | struct task_struct *tsk = NULL;
| ^~~
kernel/sched/fair.c:935:27: warning: variable 'stats' set but not used [-Wunused-but-set-variable]
935 | struct sched_statistics *stats;
| ^~~~~
kernel/sched/fair.c: In function 'set_next_entity':
kernel/sched/fair.c:4451:28: warning: variable 'stats' set but not used [-Wunused-but-set-variable]
4451 | struct sched_statistics *stats;
| ^~~~~
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/fair.c:23:
At top level:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/rt.c:6:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/rt.c:669:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
669 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/rt.c: In function 'update_stats_wait_start_rt':
kernel/sched/rt.c:1292:22: warning: variable 'p' set but not used [-Wunused-but-set-variable]
1292 | struct task_struct *p = NULL;
| ^
kernel/sched/rt.c: In function 'update_stats_enqueue_sleeper_rt':
kernel/sched/rt.c:1311:22: warning: variable 'p' set but not used [-Wunused-but-set-variable]
1311 | struct task_struct *p = NULL;
| ^
kernel/sched/rt.c: In function 'update_stats_wait_end_rt':
kernel/sched/rt.c:1341:22: warning: variable 'p' set but not used [-Wunused-but-set-variable]
1341 | struct task_struct *p = NULL;
| ^
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/rt.c:6:
At top level:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/deadline.c:18:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/deadline.c: In function 'update_stats_wait_start_dl':
kernel/sched/deadline.c:1486:27: warning: variable 'stats' set but not used [-Wunused-but-set-variable]
1486 | struct sched_statistics *stats;
| ^~~~~
kernel/sched/deadline.c: In function 'update_stats_wait_end_dl':
kernel/sched/deadline.c:1498:27: warning: variable 'stats' set but not used [-Wunused-but-set-variable]
1498 | struct sched_statistics *stats;
| ^~~~~
kernel/sched/deadline.c: In function 'update_stats_enqueue_sleeper_dl':
kernel/sched/deadline.c:1510:27: warning: variable 'stats' set but not used [-Wunused-but-set-variable]
1510 | struct sched_statistics *stats;
| ^~~~~
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/deadline.c:18:
At top level:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/debug.c:9:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/debug.c: In function 'print_cfs_group_stats':
kernel/sched/debug.c:466:41: warning: unused variable 'stats' [-Wunused-variable]
466 | struct sched_statistics *stats = __schedstats_from_se(se);
| ^~~~~
In file included from include/linux/migrate.h:8,
from kernel/sched/sched.h:53,
from kernel/sched/debug.c:9:
At top level:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from mm/vmalloc.c:40:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
mm/vmalloc.c:1654:6: warning: no previous prototype for 'set_iounmap_nonlazy' [-Wmissing-prototypes]
1654 | void set_iounmap_nonlazy(void)
| ^~~~~~~~~~~~~~~~~~~
In file included from mm/vmalloc.c:40:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from include/linux/migrate.h:8,
from mm/page_alloc.c:61:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:3802:15: warning: no previous prototype for 'should_fail_alloc_page' [-Wmissing-prototypes]
3802 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/migrate.h:8,
from mm/page_alloc.c:61:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
--
In file included from fs/io_uring.c:71:
>> include/linux/hugetlb.h:417:6: warning: no previous prototype for 'hugetlb_vma_shareable' [-Wmissing-prototypes]
417 | bool hugetlb_vma_shareable(struct vm_area_struct *vma, unsigned long addr)
| ^~~~~~~~~~~~~~~~~~~~~
fs/io_uring.c: In function 'io_queue_async_work':
fs/io_uring.c:1491:61: warning: parameter 'locked' set but not used [-Wunused-but-set-parameter]
1491 | static void io_queue_async_work(struct io_kiocb *req, bool *locked)
| ~~~~~~^~~~~~
fs/io_uring.c: In function '__io_submit_flush_completions':
fs/io_uring.c:2334:33: warning: variable 'prev' set but not used [-Wunused-but-set-variable]
2334 | struct io_wq_work_node *node, *prev;
| ^~~~
In file included from fs/io_uring.c:71:
At top level:
include/linux/hugetlb.h:240:12: warning: 'huge_pmd_shared' defined but not used [-Wunused-function]
240 | static int huge_pmd_shared(struct vm_area_struct *vma, pte_t *ptep)
| ^~~~~~~~~~~~~~~
..
---
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