Disable jemalloc pool on RHEL

Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>

Author: ldorau

.github/workflows/reusable_multi_numa.yml

@@ -45,7 +45,7 @@ jobs:
           -DUMF_BUILD_TESTS=ON
           -DUMF_DEVELOPER_MODE=ON
           -DUMF_BUILD_LIBUMF_POOL_DISJOINT=ON
-          -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON
+          -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=${{ matrix.os == 'rhel-9.1' && 'OFF' || 'ON' }}
           -DUMF_TESTS_FAIL_ON_SKIP=ON
           ${{ matrix.build_type == 'Debug' && matrix.os == 'ubuntu-22.04' && '-DUMF_USE_COVERAGE=ON' || '' }}