CC: [email protected]
CC: Linux Memory Management List <[email protected]>
TO: Michal Hocko <[email protected]>
CC: "Uladzislau Rezki (Sony)" <[email protected]>
CC: Andrew Morton <[email protected]>
CC: Linux Memory Management List <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 
master
head:   048aeae86c3967f4c40666cd26f2c1eb73a4b805
commit: 232323e9a580d6b34f3a513602b21359a79a09dd [4042/4626] mm: allow 
!GFP_KERNEL allocations for kvmalloc
:::::: branch date: 10 hours ago
:::::: commit date: 2 days ago
config: arm-randconfig-m031-20211128 
(https://download.01.org/0day-ci/archive/20211201/[email protected]/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>

New smatch warnings:
net/ceph/messenger_v2.c:311 alloc_conn_buf() error: kvmalloc() only makes sense 
with GFP_KERNEL
net/ceph/osdmap.c:983 alloc_workspace() error: kvmalloc() only makes sense with 
GFP_KERNEL
net/ceph/osdmap.c:1193 osdmap_set_max_osd() error: kvmalloc() only makes sense 
with GFP_KERNEL
net/ceph/osdmap.c:1506 set_primary_affinity() error: kvmalloc() only makes 
sense with GFP_KERNEL

Old smatch warnings:
net/ceph/osdmap.c:1194 osdmap_set_max_osd() error: kvmalloc() only makes sense 
with GFP_KERNEL
net/ceph/osdmap.c:1195 osdmap_set_max_osd() error: kvmalloc() only makes sense 
with GFP_KERNEL
net/ceph/osdmap.c:1225 osdmap_set_max_osd() error: kvmalloc() only makes sense 
with GFP_KERNEL

vim +311 net/ceph/messenger_v2.c

cd1a677cad9940 Ilya Dryomov 2020-11-19  301  
cd1a677cad9940 Ilya Dryomov 2020-11-19  302  static void *alloc_conn_buf(struct 
ceph_connection *con, int len)
cd1a677cad9940 Ilya Dryomov 2020-11-19  303  {
cd1a677cad9940 Ilya Dryomov 2020-11-19  304     void *buf;
cd1a677cad9940 Ilya Dryomov 2020-11-19  305  
cd1a677cad9940 Ilya Dryomov 2020-11-19  306     dout("%s con %p len %d\n", 
__func__, con, len);
cd1a677cad9940 Ilya Dryomov 2020-11-19  307  
cd1a677cad9940 Ilya Dryomov 2020-11-19  308     if 
(WARN_ON(con->v2.conn_buf_cnt >= ARRAY_SIZE(con->v2.conn_bufs)))
cd1a677cad9940 Ilya Dryomov 2020-11-19  309             return NULL;
cd1a677cad9940 Ilya Dryomov 2020-11-19  310  
232323e9a580d6 Michal Hocko 2021-11-30 @311     buf = kvmalloc(len, GFP_NOIO);
cd1a677cad9940 Ilya Dryomov 2020-11-19  312     if (!buf)
cd1a677cad9940 Ilya Dryomov 2020-11-19  313             return NULL;
cd1a677cad9940 Ilya Dryomov 2020-11-19  314  
cd1a677cad9940 Ilya Dryomov 2020-11-19  315     
con->v2.conn_bufs[con->v2.conn_buf_cnt++] = buf;
cd1a677cad9940 Ilya Dryomov 2020-11-19  316     return buf;
cd1a677cad9940 Ilya Dryomov 2020-11-19  317  }
cd1a677cad9940 Ilya Dryomov 2020-11-19  318  

---
0-DAY CI Kernel Test Service, Intel Corporation
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