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Date:   Mon, 10 May 2021 12:08:14 +0200
From:   Oscar Salvador <osalvador@suse.de>
To:     Muchun Song <songmuchun@bytedance.com>
Cc:     corbet@lwn.net, mike.kravetz@oracle.com, tglx@linutronix.de,
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Subject: Re: [PATCH v23 8/9] mm: memory_hotplug: disable memmap_on_memory
 when hugetlb_free_vmemmap enabled
Message-ID: <20210510100809.GA22664@linux>
References: <20210510030027.56044-1-songmuchun@bytedance.com>
 <20210510030027.56044-9-songmuchun@bytedance.com>
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On Mon, May 10, 2021 at 11:00:26AM +0800, Muchun Song wrote:
> diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
> index 8cc195c4c861..0d7f595ee441 100644
> --- a/drivers/acpi/acpi_memhotplug.c
> +++ b/drivers/acpi/acpi_memhotplug.c
> @@ -15,6 +15,7 @@
>  #include <linux/acpi.h>
>  #include <linux/memory.h>
>  #include <linux/memory_hotplug.h>
> +#include <linux/hugetlb.h>
>  
>  #include "internal.h"

Uhm, I am confused.
Why do we need this here? AFAICS, we do not.

The function is in memory_hotplug.c, and that alrady has that include.
What am I missing?


-- 
Oscar Salvador
SUSE L3