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Date:   Tue, 5 Mar 2019 16:41:55 -0500
From:   Alex Ghiti <>
To:     Mike Kravetz <>
Cc:     Naoya Horiguchi <>,
        Oscar Salvador <>,
        David Rientjes <>,
        Jing Xiangfeng <>,
        "" <>,
        "" <>,
        "" <>,
        Andrea Arcangeli <>,
        "" <>,,
        Andrew Morton <>
Subject: Re: [PATCH v4] mm/hugetlb: Fix unsigned overflow in

On 3/5/19 4:35 PM, Mike Kravetz wrote:
> On 3/5/19 1:16 PM, Andrew Morton wrote:
>> On Mon, 4 Mar 2019 20:15:40 -0800 Mike Kravetz <> wrote:
>>> Andrew, this is on top of Alexandre Ghiti's "hugetlb: allow to free gigantic
>>> pages regardless of the configuration" patch.  Both patches modify
>>> __nr_hugepages_store_common().  Alex's patch is going to change slightly
>>> in this area.
>> OK, thanks, I missed that.  Are the changes significant?
> No, changes should be minor.  IIRC, just checking for a condition in an
> error path.
I will send the v5 of this patch tomorrow, I was waiting for architecture
maintainer remarks. I still miss sh, but I'm confident on this change.


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