lkml.org 
[lkml]   [2023]   [Mar]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] selftests/mm: fix split huge page tests
On Mar 06 11:09, Zi Yan wrote:
> From: Zi Yan <ziy@nvidia.com>
>
> 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@nvidia.com>
> Cc: Zach O'Keefe <zokeefe@google.com>
> ---
> 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@google.com>
Tested-by: Zach O'Keefe <zokeefe@google.com>

I don't know which is more appropriate.

Best,
Zach

\
 
 \ /
  Last update: 2023-03-27 00:46    [W:0.073 / U:0.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site