Environment:
-------------------------------------------------------------
        DPDK version: 23.03
        OS: FreeBSD 13.2-RELEASE
        Compiler: gcc version 12.2.0 (FreeBSD Ports Collection)
        NIC hardware:  Ethernet controller: Intel Corporation Ethernet
Controller XXV710 for 25GbE SFP28

Test Setup:
-------------------------------------------------------------
        rm -rf x86_64-native-bsdapp-gcc/
        CC=gcc meson -Denable_kmods=True -Dlibdir=lib  --default-library=static
x86_64-native-bsdapp-gcc
        ninja -C x86_64-native-bsdapp-gcc

        kldunload contigmem.ko
        kldunload nic_uio.ko
        kldload x86_64-native-bsdapp-gcc/kernel/freebsd/contigmem.ko
        kldload x86_64-native-bsdapp-gcc/kernel/freebsd/nic_uio.ko
        kenv hw.nic_uio.bdfs="2:0:0,2:0:1"

        MALLOC_PERTURB_=162 DPDK_TEST=malloc_autotest
/root/dpdk/x86_64-native-bsdapp-gcc/app/test/dpdk-test

Show the output from the previous commands:
-------------------------------------------------------------
        Incorrect heap statistics: Allocated size 
        test_multi_alloc_statistics() failed
        Test Failed
        RTE>>

Expected Result:
-------------------------------------------------------------
        Test OK

Regression:
-------------------------------------------------------------
Is this issue a regression: (Y/N) Y
Version the regression was introduced: 
        commit f62f4a375ff496abf66e48d5e1b1c442b86a82c1
        Author: Fengnan Chang <changfengnan@bytedance.com>
        Date:   Fri Feb 10 14:30:22 2023 +0800

                malloc: optimize 4K allocations

                Here is a simple test case: