Messages in this thread | | | Date | Thu, 1 Oct 2020 14:51:44 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH V4 1/3] arm64/mm/hotplug: Register boot memory hot remove notifier earlier |
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On Tue, Sep 29, 2020 at 07:24:45PM +0530, Anshuman Khandual wrote: > This moves memory notifier registration earlier in the boot process from > device_initcall() to early_initcall() which will help in guarding against > potential early boot memory offline requests. Even though there should not > be any actual offlinig requests till memory block devices are initialized > with memory_dev_init() but then generic init sequence might just change in > future. Hence an early registration for the memory event notifier would be > helpful. While here, just skip the registration if CONFIG_MEMORY_HOTREMOVE > is not enabled and also call out when memory notifier registration fails. > > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Marc Zyngier <maz@kernel.org> > Cc: Steve Capper <steve.capper@arm.com> > Cc: Mark Brown <broonie@kernel.org> > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Reviewed-by: Gavin Shan <gshan@redhat.com> > Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
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