Re: [PATCH] selftests/mm: Dont fail testsuite due to a lack of hugepages

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On 3/1/24 12:33 PM, Nico Pache wrote:
> On systems that have large core counts and large page sizes, but limited
> memory, the userfaultfd test hugepage requirement is too large.
> 
> Exiting early due to missing one test's requirements is a rather aggressive
> strategy, and prevents a lot of other tests from running. Remove the
> early exit to prevent this.
Why don't we only skip that particular test which requires huge number of
pages instead? Thus the behavior of this script would remain same.

> 
> Fixes: ee00479d6702 ("selftests: vm: Try harder to allocate huge pages")
> Signed-off-by: Nico Pache <npache@xxxxxxxxxx>
> ---
>  tools/testing/selftests/mm/run_vmtests.sh | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
> index 246d53a5d7f28..727ea22ba408e 100755
> --- a/tools/testing/selftests/mm/run_vmtests.sh
> +++ b/tools/testing/selftests/mm/run_vmtests.sh
> @@ -173,7 +173,6 @@ if [ -n "$freepgs" ] && [ -n "$hpgsize_KB" ]; then
>  	if [ "$freepgs" -lt "$needpgs" ]; then
>  		printf "Not enough huge pages available (%d < %d)\n" \
>  		       "$freepgs" "$needpgs"
> -		exit 1
>  	fi
>  else
>  	echo "no hugetlbfs support in kernel?"

-- 
BR,
Muhammad Usama Anjum




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