[mingo-tip:sched/headers 2151/2340] net/ceph/messenger.c:537:3: error: implicit declaration of function '__free_page'

From: kernel test robot
Date: Wed Feb 23 2022 - 12:53:47 EST


tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head: 97c5eeb4de3ad324ed2a4656b46465299cfd010a
commit: d7899a3cb5a99cae76ab9cec969146e459e7deff [2151/2340] headers/deps: mm: Optimize <linux/mm_api.h> dependencies, remove <linux/gfp_api.h> inclusion
config: i386-randconfig-a015 (https://download.01.org/0day-ci/archive/20220224/202202240158.V9IDShLu-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=d7899a3cb5a99cae76ab9cec969146e459e7deff
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 d7899a3cb5a99cae76ab9cec969146e459e7deff
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

Note: the mingo-tip/sched/headers HEAD 97c5eeb4de3ad324ed2a4656b46465299cfd010a builds fine.
It only hurts bisectability.

All errors (new ones prefixed by >>):

In file included from net/ceph/messenger.c:40:
In file included from include/linux/ceph/libceph.h:16:
include/linux/pagemap.h:362:9: error: implicit declaration of function 'folio_alloc' [-Werror,-Wimplicit-function-declaration]
return folio_alloc(gfp, order);
^
include/linux/pagemap.h:362:9: note: did you mean 'bio_alloc'?
include/linux/bio.h:427:27: note: 'bio_alloc' declared here
static inline struct bio *bio_alloc(gfp_t gfp_mask, unsigned short nr_iovecs)
^
In file included from net/ceph/messenger.c:40:
In file included from include/linux/ceph/libceph.h:16:
include/linux/pagemap.h:362:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct folio *' [-Wint-conversion]
return folio_alloc(gfp, order);
^~~~~~~~~~~~~~~~~~~~~~~
>> net/ceph/messenger.c:537:3: error: implicit declaration of function '__free_page' [-Werror,-Wimplicit-function-declaration]
__free_page(con->bounce_page);
^
1 warning and 2 errors generated.


vim +/__free_page +537 net/ceph/messenger.c

31b8006e1d79e1 fs/ceph/messenger.c Sage Weil 2009-10-06 520
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 521 static void ceph_con_reset_protocol(struct ceph_connection *con)
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 522 {
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 523 dout("%s con %p\n", __func__, con);
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 524
6503e0b69c9d4d net/ceph/messenger.c Ilya Dryomov 2020-11-09 525 ceph_con_close_socket(con);
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 526 if (con->in_msg) {
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 527 WARN_ON(con->in_msg->con != con);
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 528 ceph_msg_put(con->in_msg);
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 529 con->in_msg = NULL;
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 530 }
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 531 if (con->out_msg) {
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 532 WARN_ON(con->out_msg->con != con);
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 533 ceph_msg_put(con->out_msg);
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 534 con->out_msg = NULL;
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 535 }
038b8d1d1ab1cc net/ceph/messenger.c Ilya Dryomov 2021-12-30 536 if (con->bounce_page) {
038b8d1d1ab1cc net/ceph/messenger.c Ilya Dryomov 2021-12-30 @537 __free_page(con->bounce_page);
038b8d1d1ab1cc net/ceph/messenger.c Ilya Dryomov 2021-12-30 538 con->bounce_page = NULL;
038b8d1d1ab1cc net/ceph/messenger.c Ilya Dryomov 2021-12-30 539 }
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 540
cd1a677cad9940 net/ceph/messenger.c Ilya Dryomov 2020-11-19 541 if (ceph_msgr2(from_msgr(con->msgr)))
cd1a677cad9940 net/ceph/messenger.c Ilya Dryomov 2020-11-19 542 ceph_con_v2_reset_protocol(con);
cd1a677cad9940 net/ceph/messenger.c Ilya Dryomov 2020-11-19 543 else
566050e17e53db net/ceph/messenger.c Ilya Dryomov 2020-11-12 544 ceph_con_v1_reset_protocol(con);
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 545 }
3596f4c1241d3c net/ceph/messenger.c Ilya Dryomov 2020-11-06 546

:::::: The code at line 537 was first introduced by commit
:::::: 038b8d1d1ab1cce11a158d30bf080ff41a2cfd15 libceph: optionally use bounce buffer on recv path in crc mode

:::::: TO: Ilya Dryomov <idryomov@xxxxxxxxx>
:::::: CC: Ilya Dryomov <idryomov@xxxxxxxxx>

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