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authorRandy Dunlap <rdunlap@infradead.org>2023-07-31 06:07:40 +0300
committerPeter Zijlstra <peterz@infradead.org>2023-08-02 17:19:25 +0300
commit98dfdd9ee93995a408192dbbf3dd219ba23e3738 (patch)
tree91b24c32a32e14df3f50504940200a7d9197050b /init
parent4efcc8bc7e08c09c58a2f5cbc2096fbda5b7cf5e (diff)
downloadlinux-98dfdd9ee93995a408192dbbf3dd219ba23e3738.tar.xz
sched/psi: Select KERNFS as needed
Users of KERNFS should select it to enforce its being built, so do this to prevent a build error. In file included from ../kernel/sched/build_utility.c:97: ../kernel/sched/psi.c: In function 'psi_trigger_poll': ../kernel/sched/psi.c:1479:17: error: implicit declaration of function 'kernfs_generic_poll' [-Werror=implicit-function-declaration] 1479 | kernfs_generic_poll(t->of, wait); Fixes: aff037078eca ("sched/psi: use kernfs polling functions for PSI trigger polling") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Suren Baghdasaryan <surenb@google.com> Link: lore.kernel.org/r/202307310732.r65EQFY0-lkp@intel.com
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index f7f65af4ee12..5e7d4885d1bf 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -629,6 +629,7 @@ config TASK_IO_ACCOUNTING
config PSI
bool "Pressure stall information tracking"
+ select KERNFS
help
Collect metrics that indicate how overcommitted the CPU, memory,
and IO capacity are in the system.