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(un)register_hotcpu_notifier is obsolete

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v4.9-12228-g530e9b76ae8f Drops all (un)register_(hot)cpu_notifier()
API functions. From here on we need to use the new cpuhp_* API.

We avoid this entirely for now, at the cost of leaking pages until
the filesystem is unmounted.

Signed-off-by: Auke Kok <auke.kok@versity.com>
This commit is contained in:
Auke Kok
2023-10-09 15:35:40 -04:00
parent ec50e66fff
commit e88845d185
2 changed files with 18 additions and 0 deletions
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kmod/src/Makefile.kernelcompat
+10
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@@ -194,3 +194,13 @@ endif
ifneq (,$(shell grep 'extern struct timespec64 current_time' include/linux/fs.h))
ccflags-y += -DKC_CURRENT_TIME_INODE=1
endif
#
# v4.9-12228-g530e9b76ae8f
#
# register_cpu_notifier and family were all removed and to be
# replaced with cpuhp_* API calls.
#
ifneq (,$(shell grep 'define register_hotcpu_notifier' include/linux/cpu.h))
ccflags-y += -DKC_CPU_NOTIFIER
endif