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Message-ID: <202211301736.iH7A4KHf-lkp@intel.com>
Date: Wed, 30 Nov 2022 17:31:17 +0800
From: kernel test robot <lkp@...el.com>
To: chengkaitao <pilgrimtao@...il.com>, tj@...nel.org,
lizefan.x@...edance.com, hannes@...xchg.org, corbet@....net,
mhocko@...nel.org, roman.gushchin@...ux.dev, shakeelb@...gle.com,
akpm@...ux-foundation.org, songmuchun@...edance.com
Cc: oe-kbuild-all@...ts.linux.dev, cgel.zte@...il.com,
ran.xiaokai@....com.cn, viro@...iv.linux.org.uk,
zhengqi.arch@...edance.com, ebiederm@...ssion.com,
Liam.Howlett@...cle.com, chengzhihao1@...wei.com,
pilgrimtao@...il.com, haolee.swjtu@...il.com, yuzhao@...gle.com,
willy@...radead.org, vasily.averin@...ux.dev, vbabka@...e.cz,
surenb@...gle.com, sfr@...b.auug.org.au, mcgrof@...nel.org,
sujiaxun@...ontech.com, feng.tang@...el.com,
cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: memcontrol: protect the memory in cgroup from being
oom killed
Hi chengkaitao,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/chengkaitao/mm-memcontrol-protect-the-memory-in-cgroup-from-being-oom-killed/20221130-150440
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20221130070158.44221-1-chengkaitao%40didiglobal.com
patch subject: [PATCH] mm: memcontrol: protect the memory in cgroup from being oom killed
config: i386-tinyconfig
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/d2e2f936cb254b6976abddb53b9f46dfc9c9a134
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review chengkaitao/mm-memcontrol-protect-the-memory-in-cgroup-from-being-oom-killed/20221130-150440
git checkout d2e2f936cb254b6976abddb53b9f46dfc9c9a134
# 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 where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
ld: init/do_mounts.o: in function `update_parent_oom_protection':
>> do_mounts.c:(.text+0x5): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: init/do_mounts.o: in function `get_task_eoom_protect':
>> do_mounts.c:(.text+0x6): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: init/do_mounts.o: in function `is_root_oom_protect':
>> do_mounts.c:(.text+0x9): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: init/do_mounts.o: in function `mem_cgroup_scan_tasks_update_eoom':
>> do_mounts.c:(.text+0xc): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/entry/vdso/vma.o: in function `update_parent_oom_protection':
vma.c:(.text+0x1db): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/entry/vdso/vma.o: in function `get_task_eoom_protect':
vma.c:(.text+0x1dc): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/entry/vdso/vma.o: in function `is_root_oom_protect':
vma.c:(.text+0x1df): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/entry/vdso/vma.o: in function `mem_cgroup_scan_tasks_update_eoom':
vma.c:(.text+0x1e2): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/kernel/setup.o: in function `update_parent_oom_protection':
setup.c:(.text+0x3): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/kernel/setup.o: in function `get_task_eoom_protect':
setup.c:(.text+0x4): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/kernel/setup.o: in function `is_root_oom_protect':
setup.c:(.text+0x7): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/kernel/setup.o: in function `mem_cgroup_scan_tasks_update_eoom':
setup.c:(.text+0xa): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/kernel/e820.o: in function `update_parent_oom_protection':
e820.c:(.text+0x134): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/kernel/e820.o: in function `get_task_eoom_protect':
e820.c:(.text+0x135): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/kernel/e820.o: in function `is_root_oom_protect':
e820.c:(.text+0x138): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/kernel/e820.o: in function `mem_cgroup_scan_tasks_update_eoom':
e820.c:(.text+0x13b): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/kernel/cpu/umwait.o: in function `update_parent_oom_protection':
umwait.c:(.text+0x2d): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/kernel/cpu/umwait.o: in function `get_task_eoom_protect':
umwait.c:(.text+0x2e): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/kernel/cpu/umwait.o: in function `is_root_oom_protect':
umwait.c:(.text+0x31): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/kernel/cpu/umwait.o: in function `mem_cgroup_scan_tasks_update_eoom':
umwait.c:(.text+0x34): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/kernel/reboot.o: in function `update_parent_oom_protection':
reboot.c:(.text+0x1a): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/kernel/reboot.o: in function `get_task_eoom_protect':
reboot.c:(.text+0x1b): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/kernel/reboot.o: in function `is_root_oom_protect':
reboot.c:(.text+0x1e): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/kernel/reboot.o: in function `mem_cgroup_scan_tasks_update_eoom':
reboot.c:(.text+0x21): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/mm/init.o: in function `update_parent_oom_protection':
init.c:(.text+0x0): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/mm/init.o: in function `get_task_eoom_protect':
init.c:(.text+0x1): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/mm/init.o: in function `is_root_oom_protect':
init.c:(.text+0x4): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/mm/init.o: in function `mem_cgroup_scan_tasks_update_eoom':
init.c:(.text+0x7): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/mm/init_32.o: in function `update_parent_oom_protection':
init_32.c:(.text+0x0): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/mm/init_32.o: in function `get_task_eoom_protect':
init_32.c:(.text+0x1): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/mm/init_32.o: in function `is_root_oom_protect':
init_32.c:(.text+0x4): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/mm/init_32.o: in function `mem_cgroup_scan_tasks_update_eoom':
init_32.c:(.text+0x7): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/mm/fault.o: in function `update_parent_oom_protection':
fault.c:(.text+0x8cd): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/mm/fault.o: in function `get_task_eoom_protect':
fault.c:(.text+0x8ce): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/mm/fault.o: in function `is_root_oom_protect':
fault.c:(.text+0x8d1): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/mm/fault.o: in function `mem_cgroup_scan_tasks_update_eoom':
fault.c:(.text+0x8d4): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/mm/ioremap.o: in function `update_parent_oom_protection':
ioremap.c:(.text+0x25c): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/mm/ioremap.o: in function `get_task_eoom_protect':
ioremap.c:(.text+0x25d): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/mm/ioremap.o: in function `is_root_oom_protect':
ioremap.c:(.text+0x260): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/mm/ioremap.o: in function `mem_cgroup_scan_tasks_update_eoom':
ioremap.c:(.text+0x263): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/mm/pgtable.o: in function `update_parent_oom_protection':
pgtable.c:(.text+0x4): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/mm/pgtable.o: in function `get_task_eoom_protect':
pgtable.c:(.text+0x5): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/mm/pgtable.o: in function `is_root_oom_protect':
pgtable.c:(.text+0x8): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/mm/pgtable.o: in function `mem_cgroup_scan_tasks_update_eoom':
pgtable.c:(.text+0xb): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: arch/x86/mm/pgtable_32.o: in function `update_parent_oom_protection':
pgtable_32.c:(.text+0x0): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: arch/x86/mm/pgtable_32.o: in function `get_task_eoom_protect':
pgtable_32.c:(.text+0x1): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: arch/x86/mm/pgtable_32.o: in function `is_root_oom_protect':
pgtable_32.c:(.text+0x4): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: arch/x86/mm/pgtable_32.o: in function `mem_cgroup_scan_tasks_update_eoom':
pgtable_32.c:(.text+0x7): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: kernel/fork.o: in function `update_parent_oom_protection':
fork.c:(.text+0x5bb): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: kernel/fork.o: in function `get_task_eoom_protect':
fork.c:(.text+0x5bc): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
ld: kernel/fork.o: in function `is_root_oom_protect':
fork.c:(.text+0x5bf): multiple definition of `is_root_oom_protect'; init/main.o:main.c:(.text+0x36): first defined here
ld: kernel/fork.o: in function `mem_cgroup_scan_tasks_update_eoom':
fork.c:(.text+0x5c2): multiple definition of `mem_cgroup_scan_tasks_update_eoom'; init/main.o:main.c:(.text+0x39): first defined here
ld: kernel/cpu.o: in function `update_parent_oom_protection':
cpu.c:(.text+0x161): multiple definition of `update_parent_oom_protection'; init/main.o:main.c:(.text+0x32): first defined here
ld: kernel/cpu.o: in function `get_task_eoom_protect':
cpu.c:(.text+0x162): multiple definition of `get_task_eoom_protect'; init/main.o:main.c:(.text+0x33): first defined here
--
In file included from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
>> include/linux/memcontrol.h:1228:6: warning: no previous prototype for 'update_parent_oom_protection' [-Wmissing-prototypes]
1228 | void update_parent_oom_protection(struct mem_cgroup *root,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1243:15: warning: no previous prototype for 'get_task_eoom_protect' [-Wmissing-prototypes]
1243 | unsigned long get_task_eoom_protect(struct task_struct *p, long points)
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1248:6: warning: no previous prototype for 'is_root_oom_protect' [-Wmissing-prototypes]
1248 | bool is_root_oom_protect(void)
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1372:5: warning: no previous prototype for 'mem_cgroup_scan_tasks_update_eoom' [-Wmissing-prototypes]
1372 | int mem_cgroup_scan_tasks_update_eoom(struct mem_cgroup *memcg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/rmap.h:12,
from init/main.c:62:
>> include/linux/memcontrol.h:1228:6: warning: no previous prototype for 'update_parent_oom_protection' [-Wmissing-prototypes]
1228 | void update_parent_oom_protection(struct mem_cgroup *root,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1243:15: warning: no previous prototype for 'get_task_eoom_protect' [-Wmissing-prototypes]
1243 | unsigned long get_task_eoom_protect(struct task_struct *p, long points)
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1248:6: warning: no previous prototype for 'is_root_oom_protect' [-Wmissing-prototypes]
1248 | bool is_root_oom_protect(void)
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1372:5: warning: no previous prototype for 'mem_cgroup_scan_tasks_update_eoom' [-Wmissing-prototypes]
1372 | int mem_cgroup_scan_tasks_update_eoom(struct mem_cgroup *memcg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
init/main.c:775:20: warning: no previous prototype for 'arch_post_acpi_subsys_init' [-Wmissing-prototypes]
775 | void __init __weak arch_post_acpi_subsys_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/swap.h:9,
from mm/shmem.c:36:
>> include/linux/memcontrol.h:1228:6: warning: no previous prototype for 'update_parent_oom_protection' [-Wmissing-prototypes]
1228 | void update_parent_oom_protection(struct mem_cgroup *root,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1243:15: warning: no previous prototype for 'get_task_eoom_protect' [-Wmissing-prototypes]
1243 | unsigned long get_task_eoom_protect(struct task_struct *p, long points)
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1248:6: warning: no previous prototype for 'is_root_oom_protect' [-Wmissing-prototypes]
1248 | bool is_root_oom_protect(void)
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1372:5: warning: no previous prototype for 'mem_cgroup_scan_tasks_update_eoom' [-Wmissing-prototypes]
1372 | int mem_cgroup_scan_tasks_update_eoom(struct mem_cgroup *memcg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/shmem.c:4148:13: warning: no previous prototype for 'shmem_init' [-Wmissing-prototypes]
4148 | void __init shmem_init(void)
| ^~~~~~~~~~
mm/shmem.c:4156:5: warning: no previous prototype for 'shmem_unuse' [-Wmissing-prototypes]
4156 | int shmem_unuse(unsigned int type)
| ^~~~~~~~~~~
mm/shmem.c:4161:5: warning: no previous prototype for 'shmem_lock' [-Wmissing-prototypes]
4161 | int shmem_lock(struct file *file, int lock, struct ucounts *ucounts)
| ^~~~~~~~~~
mm/shmem.c:4166:6: warning: no previous prototype for 'shmem_unlock_mapping' [-Wmissing-prototypes]
4166 | void shmem_unlock_mapping(struct address_space *mapping)
| ^~~~~~~~~~~~~~~~~~~~
mm/shmem.c:4171:15: warning: no previous prototype for 'shmem_get_unmapped_area' [-Wmissing-prototypes]
4171 | unsigned long shmem_get_unmapped_area(struct file *file,
| ^~~~~~~~~~~~~~~~~~~~~~~
mm/shmem.c:4179:6: warning: no previous prototype for 'shmem_truncate_range' [-Wmissing-prototypes]
4179 | void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend)
| ^~~~~~~~~~~~~~~~~~~~
mm/shmem.c:4239:14: warning: no previous prototype for 'shmem_kernel_file_setup' [-Wmissing-prototypes]
4239 | struct file *shmem_kernel_file_setup(const char *name, loff_t size, unsigned long flags)
| ^~~~~~~~~~~~~~~~~~~~~~~
mm/shmem.c:4250:14: warning: no previous prototype for 'shmem_file_setup' [-Wmissing-prototypes]
4250 | struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags)
| ^~~~~~~~~~~~~~~~
mm/shmem.c:4263:14: warning: no previous prototype for 'shmem_file_setup_with_mnt' [-Wmissing-prototypes]
4263 | struct file *shmem_file_setup_with_mnt(struct vfsmount *mnt, const char *name,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
mm/shmem.c:4274:5: warning: no previous prototype for 'shmem_zero_setup' [-Wmissing-prototypes]
4274 | int shmem_zero_setup(struct vm_area_struct *vma)
| ^~~~~~~~~~~~~~~~
mm/shmem.c:4312:14: warning: no previous prototype for 'shmem_read_mapping_page_gfp' [-Wmissing-prototypes]
4312 | struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from fs/pipe.c:26:
>> include/linux/memcontrol.h:1228:6: warning: no previous prototype for 'update_parent_oom_protection' [-Wmissing-prototypes]
1228 | void update_parent_oom_protection(struct mem_cgroup *root,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1243:15: warning: no previous prototype for 'get_task_eoom_protect' [-Wmissing-prototypes]
1243 | unsigned long get_task_eoom_protect(struct task_struct *p, long points)
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1248:6: warning: no previous prototype for 'is_root_oom_protect' [-Wmissing-prototypes]
1248 | bool is_root_oom_protect(void)
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1372:5: warning: no previous prototype for 'mem_cgroup_scan_tasks_update_eoom' [-Wmissing-prototypes]
1372 | int mem_cgroup_scan_tasks_update_eoom(struct mem_cgroup *memcg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/pipe.c:757:15: warning: no previous prototype for 'account_pipe_buffers' [-Wmissing-prototypes]
757 | unsigned long account_pipe_buffers(struct user_struct *user,
| ^~~~~~~~~~~~~~~~~~~~
fs/pipe.c:763:6: warning: no previous prototype for 'too_many_pipe_buffers_soft' [-Wmissing-prototypes]
763 | bool too_many_pipe_buffers_soft(unsigned long user_bufs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
fs/pipe.c:770:6: warning: no previous prototype for 'too_many_pipe_buffers_hard' [-Wmissing-prototypes]
770 | bool too_many_pipe_buffers_hard(unsigned long user_bufs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
fs/pipe.c:777:6: warning: no previous prototype for 'pipe_is_unprivileged_user' [-Wmissing-prototypes]
777 | bool pipe_is_unprivileged_user(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
fs/pipe.c:1253:5: warning: no previous prototype for 'pipe_resize_ring' [-Wmissing-prototypes]
1253 | int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots)
| ^~~~~~~~~~~~~~~~
--
In file included from include/net/sock.h:53,
from include/linux/tcp.h:19,
from include/linux/ipv6.h:93,
from include/net/addrconf.h:52,
from lib/vsprintf.c:40:
>> include/linux/memcontrol.h:1228:6: warning: no previous prototype for 'update_parent_oom_protection' [-Wmissing-prototypes]
1228 | void update_parent_oom_protection(struct mem_cgroup *root,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1243:15: warning: no previous prototype for 'get_task_eoom_protect' [-Wmissing-prototypes]
1243 | unsigned long get_task_eoom_protect(struct task_struct *p, long points)
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1248:6: warning: no previous prototype for 'is_root_oom_protect' [-Wmissing-prototypes]
1248 | bool is_root_oom_protect(void)
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1372:5: warning: no previous prototype for 'mem_cgroup_scan_tasks_update_eoom' [-Wmissing-prototypes]
1372 | int mem_cgroup_scan_tasks_update_eoom(struct mem_cgroup *memcg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/vsprintf.c: In function 'va_format':
lib/vsprintf.c:1685:9: warning: function 'va_format' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
1685 | buf += vsnprintf(buf, end > buf ? end - buf : 0, va_fmt->fmt, va);
| ^~~
--
In file included from include/linux/swap.h:9,
from include/asm-generic/tlb.h:15,
from arch/x86/include/asm/tlb.h:8,
from arch/x86/entry/vdso/vma.c:24:
>> include/linux/memcontrol.h:1228:6: warning: no previous prototype for 'update_parent_oom_protection' [-Wmissing-prototypes]
1228 | void update_parent_oom_protection(struct mem_cgroup *root,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1243:15: warning: no previous prototype for 'get_task_eoom_protect' [-Wmissing-prototypes]
1243 | unsigned long get_task_eoom_protect(struct task_struct *p, long points)
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1248:6: warning: no previous prototype for 'is_root_oom_protect' [-Wmissing-prototypes]
1248 | bool is_root_oom_protect(void)
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1372:5: warning: no previous prototype for 'mem_cgroup_scan_tasks_update_eoom' [-Wmissing-prototypes]
1372 | int mem_cgroup_scan_tasks_update_eoom(struct mem_cgroup *memcg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/entry/vdso/vma.c:35:19: warning: no previous prototype for 'arch_get_vdso_data' [-Wmissing-prototypes]
35 | struct vdso_data *arch_get_vdso_data(void *vvar_page)
| ^~~~~~~~~~~~~~~~~~
--
In file included from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from kernel/sched/build_policy.c:28:
>> include/linux/memcontrol.h:1228:6: warning: no previous prototype for 'update_parent_oom_protection' [-Wmissing-prototypes]
1228 | void update_parent_oom_protection(struct mem_cgroup *root,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1243:15: warning: no previous prototype for 'get_task_eoom_protect' [-Wmissing-prototypes]
1243 | unsigned long get_task_eoom_protect(struct task_struct *p, long points)
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1248:6: warning: no previous prototype for 'is_root_oom_protect' [-Wmissing-prototypes]
1248 | bool is_root_oom_protect(void)
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1372:5: warning: no previous prototype for 'mem_cgroup_scan_tasks_update_eoom' [-Wmissing-prototypes]
1372 | int mem_cgroup_scan_tasks_update_eoom(struct mem_cgroup *memcg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from kernel/sched/build_policy.c:45:
kernel/sched/rt.c:9:18: warning: 'max_rt_runtime' defined but not used [-Wunused-const-variable=]
9 | static const u64 max_rt_runtime = MAX_BW;
| ^~~~~~~~~~~~~~
--
In file included from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
>> include/linux/memcontrol.h:1228:6: warning: no previous prototype for 'update_parent_oom_protection' [-Wmissing-prototypes]
1228 | void update_parent_oom_protection(struct mem_cgroup *root,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1243:15: warning: no previous prototype for 'get_task_eoom_protect' [-Wmissing-prototypes]
1243 | unsigned long get_task_eoom_protect(struct task_struct *p, long points)
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1248:6: warning: no previous prototype for 'is_root_oom_protect' [-Wmissing-prototypes]
1248 | bool is_root_oom_protect(void)
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:1372:5: warning: no previous prototype for 'mem_cgroup_scan_tasks_update_eoom' [-Wmissing-prototypes]
1372 | int mem_cgroup_scan_tasks_update_eoom(struct mem_cgroup *memcg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
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