linux-kernel - Re: linux-next: Tree for Aug 7 (mm/khugepaged.c)

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Message-ID: <4CB11692-DD66-4381-91DC-709C9B812B33@fb.com>
Date:   Wed, 7 Aug 2019 22:13:33 +0000
From:   Song Liu <songliubraving@...com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     Randy Dunlap <rdunlap@...radead.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>
Subject: Re: linux-next: Tree for Aug 7 (mm/khugepaged.c)



> On Aug 7, 2019, at 2:27 PM, Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> On Wed, 7 Aug 2019 21:00:04 +0000 Song Liu <songliubraving@...com> wrote:
> 
>>>> 
>>>> Shall I resend the patch, or shall I send fix on top of current patch?
>>> 
>>> Either is OK.  If the difference is small I will turn it into an
>>> incremental patch so that I (and others) can see what changed.
>> 
>> Please find the patch to fix this at the end of this email. It applies 
>> right on top of "khugepaged: enable collapse pmd for pte-mapped THP". 
>> It may conflict a little with the "Enable THP for text section of 
>> non-shmem files" set, which renames function khugepaged_scan_shmem(). 
>> 
>> Also, I found v3 of the set in linux-next. The latest is v4:
>> 
>> https://lkml.org/lkml/2019/8/2/1587
>> https://lkml.org/lkml/2019/8/2/1588
>> https://lkml.org/lkml/2019/8/2/1589
> 
> It's all a bit confusing.  I'll drop 

Agreed this is confusing. 

> 
> mm-move-memcmp_pages-and-pages_identical.patch
> uprobe-use-original-page-when-all-uprobes-are-removed.patch
> uprobe-use-original-page-when-all-uprobes-are-removed-v2.patch
> mm-thp-introduce-foll_split_pmd.patch
> mm-thp-introduce-foll_split_pmd-v11.patch
> uprobe-use-foll_split_pmd-instead-of-foll_split.patch
> khugepaged-enable-collapse-pmd-for-pte-mapped-thp.patch
> uprobe-collapse-thp-pmd-after-removing-all-uprobes.patch
> 
> Please resolve Oleg's review comments and resend everything.

Will do. 

Thanks,
Song