Re: [PATCH v2 2/4] selftests: vm: add KSM unmerge test

From: Pavel Tatashin
Date: Tue Aug 03 2021 - 21:58:42 EST

On Wed, Jul 14, 2021 at 4:56 AM Zhansaya Bagdauletkyzy
<zhansayabagdaulet@xxxxxxxxx> wrote:
> Add check_ksm_unmerge() function to verify that KSM is properly
> unmerging shared pages. For this, two duplicate pages are merged first
> and then their contents are modified. Since they are not identical
> anymore, the pages must be unmerged and the number of merged pages has
> to be 0. The test is run as follows: ./ksm_tests -U
> Signed-off-by: Zhansaya Bagdauletkyzy <zhansayabagdaulet@xxxxxxxxx>

Reviewed-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>