On 03/16/2015, 10:06 AM, Naoya Horiguchi wrote:
> On Wed, Mar 11, 2015 at 02:35:10PM +0100, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
>> ------------------ original commit in Linus's tree ------------------
>>
>> From e66f17ff71772b209eed39de35aaa99ba819c93d Mon Sep 17 00:00:00 2001
>> From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
>> Date: Wed, 11 Feb 2015 15:25:22 -0800
>> Subject: [PATCH] mm/hugetlb: take page table lock in follow_huge_pmd()
>
> This patch depends on commit 61f77eda9bbf ("mm/hugetlb: reduce arch
> dependent code around follow_huge_*"), so we need backport this with it.
> Unfortunately, 61f77eda9bbf doesn't apply cleanly on v3.19.1 because of
> commit 25153a83b04f ("mm/hugetlb: take page table lock in follow_huge_pmd()"),
> which is already merged at v3.19.1 separately.
Hi,
I am confused as my e66f17ff7177 is "mm/hugetlb: take page table lock in
follow_huge_pmd()". But you refer to this commit as (non-existing)
25153a83b04f.
Currently, I have this in 3.12 (git log order):
e66f17ff7177 mm/hugetlb: take page table lock in follow_huge_pmd()
61f77eda9bbf mm/hugetlb: reduce arch dependent code around follow_huge_*
9ab3b598d2df mm: hwpoison: drop lru_add_drain_all() in __soft_offline_page()
Could you clarify what else do I need, if anything?
> IOW, these 3 patches should've been applied in the order of 61f77eda9bbf
> -> 25153a83b04f -> e66f17ff7177, but now only 25153a83b04f is in stable-3.19.
>
> So I attached modified versions of 61f77eda9bbf and e66f17ff7177, these
> should be applied onto v3.19.1 cleanly.
thanks,
--
js
suse labs
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