Re: [PATCH v8 3/3] selftests/mm: add new selftests for KSM

[David Hildenbrand <david@redhat.com>]

On 16.04.23 00:59, Stefan Roesch wrote:
> This adds three new tests to the selftests for KSM.  These tests use the
> new prctl API's to enable and disable KSM.
> 
> 1) add new prctl flags to prctl header file in tools dir
> 
>     This adds the new prctl flags to the include file prct.h in the
>     tools directory.  This makes sure they are available for testing.
> 
> 2) add KSM prctl merge test to ksm_tests
> 
>     This adds the -t option to the ksm_tests program.  The -t flag
>     allows to specify if it should use madvise or prctl ksm merging.
> 
> 3) add two functions for debugging merge outcome for ksm_tests
> 
>     This adds two functions to report the metrics in /proc/self/ksm_stat
>     and /sys/kernel/debug/mm/ksm. The debug output is enabled with the
>     -d option.
> 
> 4) add KSM prctl test to ksm_functional_tests
> 
>     This adds a test to the ksm_functional_test that verifies that the
>     prctl system call to enable / disable KSM works.
> 
> 5) add KSM fork test to ksm_functional_test
> 
>     Add fork test to verify that the MMF_VM_MERGE_ANY flag is inherited
>     by the child process.
> 
> Signed-off-by: Stefan Roesch <shr@devkernel.io>
> Cc: Bagas Sanjaya <bagasdotme@gmail.com>
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Rik van Riel <riel@surriel.com>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---

Thanks!

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

-- 
Thanks,

David / dhildenb