selftests/mm: va_high_addr_switch.sh: drop huge pages setup

Since va_high_addr_switch takes care of setting up huge pages, there is no
need to set them up in the va_high_addr_switch.sh wrapper script.

Link: https://lore.kernel.org/20260511162840.375890-54-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Luiz Capitulino <luizcap@redhat.com>
Tested-by: Luiz Capitulino <luizcap@redhat.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Donet Tom <donettom@linux.ibm.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam Howlett <liam@infradead.org>
Cc: Li Wang <li.wang@linux.dev>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nico Pache <npache@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Sarthak Sharma <sarthak.sharma@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/tools/testing/selftests/mm/va_high_addr_switch.sh b/tools/testing/selftests/mm/va_high_addr_switch.sh
index 9492c2d72634b6dfd8c6f8bee97459228683be5c..01c15fe3c7990ef3b9aa104388df333d73c6b9b2 100755 (executable)
--- a/tools/testing/selftests/mm/va_high_addr_switch.sh
+++ b/tools/testing/selftests/mm/va_high_addr_switch.sh
@@ -9,7 +9,6 @@
 
 # Kselftest framework requirement - SKIP code is 4.
 ksft_skip=4
-orig_nr_hugepages=0
 
 skip()
 {
@@ -77,43 +76,5 @@ check_test_requirements()
        esac
 }
 
-save_nr_hugepages()
-{
-       orig_nr_hugepages=$(cat /proc/sys/vm/nr_hugepages)
-}
-
-restore_nr_hugepages()
-{
-       echo "$orig_nr_hugepages" > /proc/sys/vm/nr_hugepages
-}
-
-setup_nr_hugepages()
-{
-       local needpgs=$1
-       while read -r name size unit; do
-               if [ "$name" = "HugePages_Free:" ]; then
-                       freepgs="$size"
-                       break
-               fi
-       done < /proc/meminfo
-       if [ "$freepgs" -ge "$needpgs" ]; then
-               return
-       fi
-       local hpgs=$((orig_nr_hugepages + needpgs))
-       echo $hpgs > /proc/sys/vm/nr_hugepages
-
-       local nr_hugepgs=$(cat /proc/sys/vm/nr_hugepages)
-       if [ "$nr_hugepgs" != "$hpgs" ]; then
-               restore_nr_hugepages
-               skip "$0: no enough hugepages for testing"
-       fi
-}
-
 check_test_requirements
-save_nr_hugepages
-# The HugeTLB tests require 6 pages
-setup_nr_hugepages 6
-./va_high_addr_switch --run-hugetlb
-retcode=$?
-restore_nr_hugepages
-exit $retcode
+./va_high_addr_switch