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From: Anshuman Khandual <khandual@linux.vnet.ibm.com>
To: "Jérôme Glisse" <jglisse@redhat.com>, linux-mm@kvack.org
Cc: Michal Hocko <mhocko@suse.com>, Dan Williams <dan.j.williams@intel.com>
Subject: Re: [PATCH] mm, memory_hotplug: fix devm_memremap_pages() after memory_hotplug rework
Date: Wed, 5 Apr 2017 16:05:23 +0530	[thread overview]
Message-ID: <a9d6e8d2-7bd9-abf1-9323-d175f10f7559@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170404165144.29791-1-jglisse@redhat.com>

On 04/04/2017 10:21 PM, JA(C)rA'me Glisse wrote:
> Just a trivial fix.
> 
> Signed-off-by: JA(C)rA'me Glisse <jglisse@redhat.com>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Dan Williams <dan.j.williams@intel.com>
> ---
>  kernel/memremap.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/kernel/memremap.c b/kernel/memremap.c
> index faa9276..bbbe646 100644
> --- a/kernel/memremap.c
> +++ b/kernel/memremap.c
> @@ -366,7 +366,8 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
>  	error = arch_add_memory(nid, align_start, align_size);
>  	if (!error)
>  		move_pfn_range_to_zone(&NODE_DATA(nid)->node_zones[ZONE_DEVICE],
> -				align_start, align_size);
> +					align_start >> PAGE_SHIFT,
> +					align_size >> PAGE_SHIFT);

All this while it was taking up addresses instead of PFNs ? Then
how it was working correctly before ?

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  parent reply	other threads:[~2017-04-05 10:35 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-04 16:51 [PATCH] mm, memory_hotplug: fix devm_memremap_pages() after memory_hotplug rework Jérôme Glisse
2017-04-04 16:57 ` Michal Hocko
2017-04-05 10:35 ` Anshuman Khandual [this message]
2017-04-05 10:49   ` Michal Hocko
2017-04-06  5:34     ` Anshuman Khandual
2017-04-06  6:41       ` Michal Hocko

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