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

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Date: Fri,  1 Mar 2024 00:33:00 -0700
From: Nico Pache <npache@...hat.com>
To: linux-mm@...ck.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: ben@...adent.org.uk,
	shuah@...nel.org,
	akpm@...ux-foundation.org
Subject: [PATCH] selftests/mm: Dont fail testsuite due to a lack of hugepages

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.

Fixes: ee00479d6702 ("selftests: vm: Try harder to allocate huge pages")
Signed-off-by: Nico Pache <npache@...hat.com>
---
 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?"
-- 
2.43.0