[PATCH v2 2/2] selftests/mm: run_vmtests: Use correct flag in the code

[Muhammad Usama Anjum]

Use correct -d flag as mentioned in comments for destructive tests.
Rename variable and update comment for some clarification.

Fixes: cc7b9955344c ("selftests/mm: run_vmtests.sh: add missing tests")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
---
Please fold this patch in the Fixes patch if needed.
---
 tools/testing/selftests/mm/run_vmtests.sh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
index edd73f871c79a..99734a2a091b3 100755
--- a/tools/testing/selftests/mm/run_vmtests.sh
+++ b/tools/testing/selftests/mm/run_vmtests.sh
@@ -15,7 +15,7 @@ usage() {
 	cat <<EOF
 usage: ${BASH_SOURCE[0]:-$0} [ options ]
 
-  -a: run all tests, including extra ones
+  -a: run all tests, including extra ones (other than destructive ones)
   -t: specify specific categories to tests to run
   -h: display this message
   -n: disable TAP output
@@ -80,7 +80,7 @@ EOF
 }
 
 RUN_ALL=false
-RUN_DESTRUCTIVE_TEST=false
+RUN_DESTRUCTIVE=false
 TAP_PREFIX="# "
 
 while getopts "aht:n" OPT; do
@@ -89,7 +89,7 @@ while getopts "aht:n" OPT; do
 		"h") usage ;;
 		"t") VM_SELFTEST_ITEMS=${OPTARG} ;;
 		"n") TAP_PREFIX= ;;
-		"a") RUN_DESTRUCTIVE_TEST=true ;;
+		"d") RUN_DESTRUCTIVE=true ;;
 	esac
 done
 shift $((OPTIND -1))
@@ -323,7 +323,7 @@ CATEGORY="mremap" run_test ./mremap_test
 CATEGORY="hugetlb" run_test ./thuge-gen
 CATEGORY="hugetlb" run_test ./charge_reserved_hugetlb.sh -cgroup-v2
 CATEGORY="hugetlb" run_test ./hugetlb_reparenting_test.sh -cgroup-v2
-if $RUN_DESTRUCTIVE_TEST; then
+if $RUN_DESTRUCTIVE; then
 CATEGORY="hugetlb" run_test ./hugetlb-read-hwpoison
 fi
 
-- 
2.42.0