On 6 Mar 2023, at 13:31, Zach O'Keefe wrote:
> On Mar 06 11:09, Zi Yan wrote:
>> From: Zi Yan <ziy@xxxxxxxxxx>
>>
>> Fixed two inputs to check_anon_huge() and one if condition, so the tests
>> work as expected.
>>
>> Fixes: c07c343cda8e ("selftests/vm: dedup THP helpers")
>> Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
>> Cc: Zach O'Keefe <zokeefe@xxxxxxxxxx>
>> ---
>> tools/testing/selftests/mm/split_huge_page_test.c | 6 +++---
>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c
>> index 76e1c36dd9e5..b8558c7f1a39 100644
>> --- a/tools/testing/selftests/mm/split_huge_page_test.c
>> +++ b/tools/testing/selftests/mm/split_huge_page_test.c
>> @@ -106,7 +106,7 @@ void split_pmd_thp(void)
>> for (i = 0; i < len; i++)
>> one_page[i] = (char)i;
>>
>> - if (!check_huge_anon(one_page, 1, pmd_pagesize)) {
>> + if (!check_huge_anon(one_page, 4, pmd_pagesize)) {
>> printf("No THP is allocated\n");
>> exit(EXIT_FAILURE);
>> }
>> @@ -122,7 +122,7 @@ void split_pmd_thp(void)
>> }
>>
>>
>> - if (check_huge_anon(one_page, 0, pmd_pagesize)) {
>> + if (!check_huge_anon(one_page, 0, pmd_pagesize)) {
>> printf("Still AnonHugePages not split\n");
>> exit(EXIT_FAILURE);
>> }
>> @@ -169,7 +169,7 @@ void split_pte_mapped_thp(void)
>> for (i = 0; i < len; i++)
>> one_page[i] = (char)i;
>>
>> - if (!check_huge_anon(one_page, 1, pmd_pagesize)) {
>> + if (!check_huge_anon(one_page, 4, pmd_pagesize)) {
>> printf("No THP is allocated\n");
>> exit(EXIT_FAILURE);
>> }
>> --
>> 2.39.2
>>
>
> Thanks Zi -- I had this in my TODO-log, but was slow to get it it -- apologies
> for the clearly buggy code, and thanks for the cleanup. I've ran these tests to
> confirm (as I should have previously), and it all looks good. Can have either my
>
> Reviewed-by: Zach O'Keefe <zokeefe@xxxxxxxxxx>
> Tested-by: Zach O'Keefe <zokeefe@xxxxxxxxxx>
>
Thanks.
--
Best Regards,
Yan, Zi
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