On 2021/11/25 15:53, Stephen Rothwell wrote:

Hi Naresh,

On Thu, 25 Nov 2021 12:43:41 +0530 Naresh Kamboju [off-list ref] wrote:

quoted

[ Please ignore this email if it is already reported ]

While building Linux next 20211125 x86 with CONFIG_KASAN=y gcc-11
following warnings / errors noticed.

mm/kasan/shadow.c: In function 'kasan_module_alloc':
mm/kasan/shadow.c:528:33: error: 'VM_DELAY_KMEMLEAK' undeclared (first
use in this function); did you mean 'VM_DEFER_KMEMLEAK'?
   528 |                 if (vm->flags & VM_DELAY_KMEMLEAK)
       |                                 ^~~~~~~~~~~~~~~~~
       |                                 VM_DEFER_KMEMLEAK
mm/kasan/shadow.c:528:33: note: each undeclared identifier is reported
only once for each function it appears in
make[3]: *** [scripts/Makefile.build:288: mm/kasan/shadow.o] Error 1

Build config:
https://builds.tuxbuild.com/21OjEyx87iCX9bqOwJrZdl1wFFj/config


Reported-by: Linux Kernel Functional Testing <redacted>

meta data:
-----------
     git describe: next-20211125
     git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
     git_sha: f81e94e91878bded599cc60f2881cfd50991aeb9
     git_short_log: f81e94e91878 (\"Add linux-next specific files for 20211125\")
     target_arch: x86
     toolchain: gcc-11

steps to reproduce:
tuxmake --runtime podman --target-arch x86_64 --toolchain gcc-11
--kconfig defconfig \
--kconfig-add https://builds.tuxbuild.com/21OjEyx87iCX9bqOwJrZdl1wFFj/config

https://builds.tuxbuild.com/21OjEyx87iCX9bqOwJrZdl1wFFj/tuxmake_reproducer.sh

--
Linaro LKFT
https://lkft.linaro.org

Caused by commit

   f61bc9ffcab1 ("mm: defer kmemleak object creation of module_alloc()")

from the akpm-current tree.  The define is VM_DEFER_KMEMLEAK :-(

Resend a new one, sorry for missing macro change when v3 version use new 
name.