linux-kernel - Re: [PATCH 0/5] Cleanup and fixup for khugepaged

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Date:   Sat, 6 Mar 2021 10:44:29 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     "Kirill A. Shutemov" <kirill@...temov.name>
CC:     <akpm@...ux-foundation.org>, <riel@...hat.com>,
        <kirill.shutemov@...ux.intel.com>, <ebru.akagunduz@...il.com>,
        <dan.carpenter@...cle.com>, <linux-kernel@...r.kernel.org>,
        <linux-mm@...ck.org>
Subject: Re: [PATCH 0/5] Cleanup and fixup for khugepaged

On 2021/3/6 1:40, Kirill A. Shutemov wrote:
> On Thu, Mar 04, 2021 at 07:30:08AM -0500, Miaohe Lin wrote:
>> Hi all,
>> This series contains cleanups to remove unneeded return value, use
>> helper function and so on. And there is one fix to correct the wrong
>> result value for trace_mm_collapse_huge_page_isolate().
>>
>> More details can be found in the respective changelogs. Thanks!
>>
>> Miaohe Lin (5):
>>   khugepaged: remove unneeded return value of
>>     khugepaged_collapse_pte_mapped_thps()
>>   khugepaged: reuse the smp_wmb() inside __SetPageUptodate()
>>   khugepaged: use helper khugepaged_test_exit() in __khugepaged_enter()
>>   khugepaged: remove unnecessary mem_cgroup_uncharge() in
>>     collapse_[file|huge_page]
>>   khugepaged: fix wrong result value for
>>     trace_mm_collapse_huge_page_isolate()
>>
>>  mm/khugepaged.c | 47 ++++++++++++++++++++---------------------------
>>  1 file changed, 20 insertions(+), 27 deletions(-)
> 
> Apart from patch 4/5, looks fine. For the rest, you can use:
> 
> Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

Many thanks for review and ack! :)

>