On Wed, Jul 14, 2021 at 4:56 AM Zhansaya Bagdauletkyzy zhansayabagdaulet@gmail.com wrote:
Add check_ksm_zero_page_merge() function to test that empty pages are being handled properly. For this, several zero pages are allocated and merged using madvise. If use_zero_pages is enabled, the pages must be shared with the special kernel zero pages; otherwise, they are merged as usual duplicate pages. The test is run as follows: ./ksm_tests -Z
Signed-off-by: Zhansaya Bagdauletkyzy zhansayabagdaulet@gmail.com
Reviewed-by: Pavel Tatashin pasha.tatashin@soleen.com