Subject: Re: [PATCH V4 00/31] powerpc/mm: Update page table format for book3s 64

From: "Aneesh Kumar K.V" <[email-masked]>
Date: Tue, 03 Nov 2015 10:32:41 +0530

Denis Kirjanov <[email-masked]> writes:

> On 10/23/15, Aneesh Kumar K.V <[email-masked]> wrote:
>> Denis Kirjanov <[email-masked]> writes:
>>
>>> On 10/17/15, Aneesh Kumar K.V <[email-masked]> wrote:
>>>> Hi All,
>>>>
>>>> This patch series attempt to update book3s 64 linux page table format to
>>>> make it more flexible. Our current pte format is very restrictive and we
>>>> overload multiple pte bits. This is due to the non-availability of free
>>>> bits
>>>> in pte_t. We use pte_t to track the validity of 4K subpages. This patch
>>>> series free up pte_t of 11 bits by moving 4K subpage tracking to the
>>>> lower half of PTE page. The pte format is updated such that we have a
>>>> better method for identifying a pte entry at pmd level. This will also
>>>> enable
>>>> us to implement hugetlb migration(not yet done in this series).
>>>
>>> Hi, what tree does this apply to?
>>>
>>
>> linux-powerpc tree -next branch
>>
>> https://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/
>
> Ok, but I'm getting the following error after applying the first patch
> from your series:
>
> error: patch failed: arch/powerpc/include/asm/pgalloc-64.h:166
> error: arch/powerpc/include/asm/pgalloc-64.h: patch does not apply
> error: arch/powerpc/mm/hash64_64k.c: No such file or directory
>
> kda@hydra ~/devel/linux $ git branch
>   master
> * next
> kda@hydra ~/devel/linux $ git remote show origin
> * remote origin
>   Fetch URL: git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
>   Push  URL: git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
>
> Or am I missing something?

Why not use

The patch series can also be found at
https://github.com/kvaneesh/linux.git book3s-pte-format 
https://github.com/kvaneesh/linux/commits/book3s-pte-format

-aneesh