linux-kernel - Re: [PATCH v10 5/5] selftest: add a testcase of ksm zero pages

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Date:   Tue, 30 May 2023 11:12:03 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Yang Yang <yang.yang29@....com.cn>, akpm@...ux-foundation.org
Cc:     imbrenda@...ux.ibm.com, jiang.xuexin@....com.cn,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        ran.xiaokai@....com.cn, xu.xin.sc@...il.com, xu.xin16@....com.cn
Subject: Re: [PATCH v10 5/5] selftest: add a testcase of ksm zero pages

On 25.05.23 07:54, Yang Yang wrote:
> From: xu xin <xu.xin16@....com.cn>
> 
> Add a function test_unmerge_zero_page() to test the functionality on
> unsharing and counting ksm-placed zero pages and counting of this patch
> series.
> 
> test_unmerge_zero_page() actually contains four subjct test objects:
> (1) whether the count of ksm zero pages can update correctly after merging;
> (2) whether the count of ksm zero pages can update correctly after
>      unmerging by madvise(...MADV_UNMERGEABLE);
> (3) whether the count of ksm zero pages can update correctly after
> 	unmerging by triggering write fault.
> (4) whether ksm zero pages are really unmerged.
> 
> Signed-off-by: xu xin <xu.xin16@....com.cn>
> Reviewed-by: Xiaokai Ran <ran.xiaokai@....com.cn>
> Reviewed-by: Yang Yang <yang.yang29@....com.cn>
> Cc: Claudio Imbrenda <imbrenda@...ux.ibm.com>
> Cc: David Hildenbrand <david@...hat.com>
> Cc: Xuexin Jiang <jiang.xuexin@....com.cn>
> ---

Acked-by: David Hildenbrand <david@...hat.com>

Thanks!

-- 
Thanks,

David / dhildenb