diff --git a/CORE/MAC/src/pe/lim/limApi.c b/CORE/MAC/src/pe/lim/limApi.c
index fae3da2..08f6bdb 100644
--- a/CORE/MAC/src/pe/lim/limApi.c
+++ b/CORE/MAC/src/pe/lim/limApi.c
@@ -116,22 +116,23 @@
     pMac->lim.gLimMlmScanResultLength = 0;
     pMac->lim.gLimSmeScanResultLength = 0;
 
-    palZeroMemory(pMac->hHdd, pMac->lim.gLimCachedScanHashTable,
-                    sizeof(pMac->lim.gLimCachedScanHashTable));
+    vos_mem_set(pMac->lim.gLimCachedScanHashTable,
+                sizeof(pMac->lim.gLimCachedScanHashTable), 0);
 
 #ifdef WLAN_FEATURE_ROAM_SCAN_OFFLOAD
 
     pMac->lim.gLimMlmLfrScanResultLength = 0;
     pMac->lim.gLimSmeLfrScanResultLength = 0;
 
-    palZeroMemory(pMac->hHdd, pMac->lim.gLimCachedLfrScanHashTable,
-                    sizeof(pMac->lim.gLimCachedLfrScanHashTable));
+    vos_mem_set(pMac->lim.gLimCachedLfrScanHashTable,
+                sizeof(pMac->lim.gLimCachedLfrScanHashTable), 0);
 #endif
     pMac->lim.gLimBackgroundScanChannelId = 0;
     pMac->lim.gLimBackgroundScanStarted = 0;
     pMac->lim.gLimRestoreCBNumScanInterval = LIM_RESTORE_CB_NUM_SCAN_INTERVAL_DEFAULT;
     pMac->lim.gLimRestoreCBCount = 0;
-    palZeroMemory(pMac->hHdd, pMac->lim.gLimLegacyBssidList, sizeof(pMac->lim.gLimLegacyBssidList));
+    vos_mem_set(pMac->lim.gLimLegacyBssidList,
+                sizeof(pMac->lim.gLimLegacyBssidList), 0);
 
     /* Fill in default values */
     pMac->lim.gLimTriggerBackgroundScanDuringQuietBss = 0;
@@ -139,8 +140,8 @@
 
     // abort scan is used to abort an on-going scan
     pMac->lim.abortScan = 0;
-    palZeroMemory(pMac->hHdd, &pMac->lim.scanChnInfo, sizeof(tLimScanChnInfo));
-    palZeroMemory(pMac->hHdd, &pMac->lim.dfschannelList, sizeof(tSirDFSChannelList));
+    vos_mem_set(&pMac->lim.scanChnInfo, sizeof(tLimScanChnInfo), 0);
+    vos_mem_set(&pMac->lim.dfschannelList, sizeof(tSirDFSChannelList), 0);
 
 //WLAN_SUSPEND_LINK Related
     pMac->lim.gpLimSuspendCallback = NULL;
@@ -152,7 +153,8 @@
 static void __limInitBssVars(tpAniSirGlobal pMac)
 {
 
-    palZeroMemory(pMac->hHdd,  (void*)pMac->lim.gpSession,   sizeof(*pMac->lim.gpSession)*pMac->lim.maxBssId);
+    vos_mem_set((void*)pMac->lim.gpSession,
+                 sizeof(*pMac->lim.gpSession)*pMac->lim.maxBssId, 0);
 
 
     //pMac->lim.gpLimStartBssReq = NULL;
@@ -165,9 +167,9 @@
 
    // Place holder for BSS description that we're
    // currently joined with
-   palZeroMemory(pMac->hHdd, &pMac->lim.gLimCurrentBssId, sizeof(tSirMacAddr));
+   vos_mem_set(&pMac->lim.gLimCurrentBssId, sizeof(tSirMacAddr), 0);
    pMac->lim.gLimCurrentChannelId = HAL_INVALID_CHANNEL_ID;
-   palZeroMemory(pMac->hHdd, &pMac->lim.gLimCurrentSSID, sizeof(tSirMacSSid));
+   vos_mem_set(&pMac->lim.gLimCurrentSSID, sizeof(tSirMacSSid), 0);
    pMac->lim.gLimCurrentBssCaps = 0;
    QosCaps is a bit map of various qos capabilities - see defn above
    pMac->lim.gLimCurrentBssQosCaps = 0;
@@ -176,9 +178,9 @@
 
    // Place holder for BSS description that
    // we're currently Reassociating
-   palZeroMemory(pMac->hHdd, &pMac->lim.gLimReassocBssId, sizeof(tSirMacAddr));
+   vos_mem_set(&pMac->lim.gLimReassocBssId, sizeof(tSirMacAddr), 0);
    pMac->lim.gLimReassocChannelId = 0;
-   palZeroMemory(pMac->hHdd, &pMac->lim.gLimReassocSSID, sizeof(tSirMacSSid));
+   vos_mem_set(&pMac->lim.gLimReassocSSID, sizeof(tSirMacSSid), 0);
    pMac->lim.gLimReassocBssCaps = 0;
    pMac->lim.gLimReassocBssQosCaps = 0;
    pMac->lim.gLimReassocBssPropCap = 0;
@@ -214,7 +216,8 @@
     pMac->lim.gLimHeartBeatCount = 0;
 
     // Statistics to keep track of no. beacons rcvd in heart beat interval
-    palZeroMemory(pMac->hHdd, pMac->lim.gLimHeartBeatBeaconStats, sizeof(pMac->lim.gLimHeartBeatBeaconStats));
+    vos_mem_set(pMac->lim.gLimHeartBeatBeaconStats,
+                sizeof(pMac->lim.gLimHeartBeatBeaconStats), 0);
 
 #ifdef WLAN_DEBUG    
     // Debug counters
@@ -224,7 +227,7 @@
     pMac->lim.numLearn = 0;
     pMac->lim.numLearnIgnore = 0;
     pMac->lim.numSme = 0;
-    palZeroMemory(pMac->hHdd, pMac->lim.numMAC, sizeof(pMac->lim.numMAC));
+    vos_mem_set(pMac->lim.numMAC, sizeof(pMac->lim.numMAC), 0);
     pMac->lim.gLimNumAssocReqDropInvldState = 0;
     pMac->lim.gLimNumAssocReqDropACRejectTS = 0;
     pMac->lim.gLimNumAssocReqDropACRejectSta = 0;
@@ -271,17 +274,17 @@
      * when SME_START_BSS_REQ is received.
      */
 
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimOverlap11gParams, sizeof(tLimProtStaParams));
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimOverlap11aParams, sizeof(tLimProtStaParams));
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimOverlapHt20Params, sizeof(tLimProtStaParams));
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimOverlapNonGfParams, sizeof(tLimProtStaParams));
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimNoShortParams, sizeof(tLimNoShortParams));
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimNoShortSlotParams, sizeof(tLimNoShortSlotParams));
+    vos_mem_set(&pMac->lim.gLimOverlap11gParams, sizeof(tLimProtStaParams), 0);
+    vos_mem_set(&pMac->lim.gLimOverlap11aParams, sizeof(tLimProtStaParams), 0);
+    vos_mem_set(&pMac->lim.gLimOverlapHt20Params, sizeof(tLimProtStaParams), 0);
+    vos_mem_set(&pMac->lim.gLimOverlapNonGfParams, sizeof(tLimProtStaParams), 0);
+    vos_mem_set(&pMac->lim.gLimNoShortParams, sizeof(tLimNoShortParams), 0);
+    vos_mem_set(&pMac->lim.gLimNoShortSlotParams, sizeof(tLimNoShortSlotParams), 0);
 
     pMac->lim.gLimPhyMode = 0; 
     pMac->lim.scanStartTime = 0;    // used to measure scan time
 
-    palZeroMemory(pMac->hHdd, pMac->lim.gLimMyMacAddr, sizeof(pMac->lim.gLimMyMacAddr));
+    vos_mem_set(pMac->lim.gLimMyMacAddr, sizeof(pMac->lim.gLimMyMacAddr), 0);
     pMac->lim.ackPolicy = 0;
 
 #if 0 /* Moving all these to session specific elements */
@@ -304,22 +307,22 @@
     // WDS info
     pMac->lim.gLimNumWdsInfoInd = 0;
     pMac->lim.gLimNumWdsInfoSet = 0;
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimWdsInfo, sizeof(tSirWdsInfo));
+    vos_mem_set(&pMac->lim.gLimWdsInfo, sizeof(tSirWdsInfo), 0);
     /* initialize some parameters */
     limInitWdsInfoParams(pMac);
 
     // Deferred Queue Paramters
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimDeferredMsgQ, sizeof(tSirAddtsReq));
+    vos_mem_set(&pMac->lim.gLimDeferredMsgQ, sizeof(tSirAddtsReq), 0);
 
     // addts request if any - only one can be outstanding at any time
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimAddtsReq, sizeof(tSirAddtsReq));
+    vos_mem_set(&pMac->lim.gLimAddtsReq, sizeof(tSirAddtsReq) , 0);
     pMac->lim.gLimAddtsSent = 0;
     pMac->lim.gLimAddtsRspTimerCount = 0;
 
     //protection related config cache
-    palZeroMemory(pMac->hHdd, &pMac->lim.cfgProtection, sizeof(tCfgProtection));
+    vos_mem_set(&pMac->lim.cfgProtection, sizeof(tCfgProtection), 0);
     pMac->lim.gLimProtectionControl = 0;
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimAlternateRadio, sizeof(tSirAlternateRadioInfo));
+    vos_mem_set(&pMac->lim.gLimAlternateRadio, sizeof(tSirAlternateRadioInfo), 0);
     SET_LIM_PROCESS_DEFD_MESGS(pMac, true);
 
 #if 0
@@ -341,10 +344,11 @@
     pMac->lim.pDialogueTokenHead = NULL;
     pMac->lim.pDialogueTokenTail = NULL;
 
-    palZeroMemory(pMac->hHdd, &pMac->lim.tspecInfo, sizeof(tLimTspecInfo) * LIM_NUM_TSPEC_MAX);
+    vos_mem_set(&pMac->lim.tspecInfo,
+                sizeof(tLimTspecInfo) * LIM_NUM_TSPEC_MAX, 0);
 
     // admission control policy information
-    palZeroMemory(pMac->hHdd, &pMac->lim.admitPolicyInfo, sizeof(tLimAdmitPolicyInfo));
+    vos_mem_set(&pMac->lim.admitPolicyInfo, sizeof(tLimAdmitPolicyInfo), 0);
 
     pMac->lim.gLastBeaconDtimCount = 0;
     pMac->lim.gLastBeaconDtimPeriod = 0;
@@ -357,8 +361,8 @@
 {
     tANI_U32 val;
 #if 0
-    palZeroMemory(pMac->hHdd, pMac->lim.gpLimAIDpool,
-                  sizeof(*pMac->lim.gpLimAIDpool) * (WNI_CFG_ASSOC_STA_LIMIT_STAMAX+1));
+    vos_mem_set(pMac->lim.gpLimAIDpool,
+          sizeof(*pMac->lim.gpLimAIDpool) * (WNI_CFG_ASSOC_STA_LIMIT_STAMAX+1), 0);
     pMac->lim.freeAidHead = 0;
     pMac->lim.freeAidTail = 0;
 #endif
@@ -376,9 +380,9 @@
     /// MAC level Pre-authentication related globals
     pMac->lim.gLimPreAuthChannelNumber = 0;
     pMac->lim.gLimPreAuthType = eSIR_OPEN_SYSTEM;
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimPreAuthPeerAddr, sizeof(tSirMacAddr));
+    vos_mem_set(&pMac->lim.gLimPreAuthPeerAddr, sizeof(tSirMacAddr), 0);
     pMac->lim.gLimNumPreAuthContexts = 0;
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimPreAuthTimerTable, sizeof(tLimPreAuthTable));
+    vos_mem_set(&pMac->lim.gLimPreAuthTimerTable, sizeof(tLimPreAuthTable), 0);
 
     // Placed holder to deauth reason
     pMac->lim.gLimDeauthReasonCode = 0;
@@ -391,8 +395,10 @@
     pMac->lim.gLimDisassocFrameCredit = 0;
 
     //One cache for each overlap and associated case.
-    palZeroMemory(pMac->hHdd, pMac->lim.protStaOverlapCache, sizeof(tCacheParams) * LIM_PROT_STA_OVERLAP_CACHE_SIZE);
-    palZeroMemory(pMac->hHdd, pMac->lim.protStaCache, sizeof(tCacheParams) * LIM_PROT_STA_CACHE_SIZE);
+    vos_mem_set(pMac->lim.protStaOverlapCache,
+                sizeof(tCacheParams) * LIM_PROT_STA_OVERLAP_CACHE_SIZE, 0);
+    vos_mem_set(pMac->lim.protStaCache,
+                sizeof(tCacheParams) * LIM_PROT_STA_CACHE_SIZE, 0);
 
 #if  defined (WLAN_FEATURE_VOWIFI_11R) || defined (FEATURE_WLAN_CCX) || defined(FEATURE_WLAN_LFR)
     pMac->lim.pSessionEntry = NULL;
@@ -405,7 +411,7 @@
 static void __limInitTitanVars(tpAniSirGlobal pMac)
 {
 #if 0
-    palZeroMemory(pMac->hHdd, &pMac->lim.gLimChannelSwitch, sizeof(tLimChannelSwitchInfo));
+    vos_mem_set(&pMac->lim.gLimChannelSwitch, sizeof(tLimChannelSwitchInfo), 0);
     pMac->lim.gLimChannelSwitch.state               = eLIM_CHANNEL_SWITCH_IDLE;
     pMac->lim.gLimChannelSwitch.secondarySubBand    = PHY_SINGLE_CHANNEL_CENTERED;
 #endif
@@ -583,8 +589,8 @@
    /* WNI_CFG_MAX_PS_POLL */
 
    /* Allocate and fill in power save configuration. */
-   if (palAllocateMemory(pMac->hHdd, (void **)&pPowerSaveConfig,
-        sizeof(tSirPowerSaveCfg)) != eHAL_STATUS_SUCCESS)
+   pPowerSaveConfig = vos_mem_malloc(sizeof(tSirPowerSaveCfg));
+   if (NULL == pPowerSaveConfig)
    {
       PELOGE(limLog(pMac, LOGE, FL("LIM: Cannot allocate memory for power save "
                                   "configuration"));)
@@ -595,8 +601,7 @@
     * already dispatched during initialization process. Re-using the present
     * configuration mask
     */
-   palCopyMemory(pMac->hHdd, pPowerSaveConfig, (tANI_U8 *)&pMac->pmm.gPmmCfg, 
-                 sizeof(tSirPowerSaveCfg));
+   vos_mem_copy(pPowerSaveConfig, (tANI_U8 *)&pMac->pmm.gPmmCfg, sizeof(tSirPowerSaveCfg));
 
    /* Note: it is okay to do this since DAL/HAL is alrady started */
    if ( (pmmSendPowerSaveCfg(pMac, pPowerSaveConfig)) != eSIR_SUCCESS)
@@ -828,7 +833,7 @@
         VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO,
                 FL("Fixing leak! Deallocating pLimMgmtRegistration node"));
 
-        palFreeMemory(pMac, pLimMgmtRegistration);
+        vos_mem_free(pLimMgmtRegistration);
     }
 
     vos_list_destroy(&pMac->lim.gLimMgmtFrameRegistratinQueue);
@@ -839,7 +844,7 @@
     // free up preAuth table
     if (pMac->lim.gLimPreAuthTimerTable.pTable != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gLimPreAuthTimerTable.pTable);
+        vos_mem_free(pMac->lim.gLimPreAuthTimerTable.pTable);
         pMac->lim.gLimPreAuthTimerTable.pTable = NULL;
         pMac->lim.gLimPreAuthTimerTable.numEntry = 0;
     }
@@ -851,42 +856,42 @@
 
     if(NULL != pMac->lim.pDialogueTokenTail)
     {
-        palFreeMemory(pMac->hHdd, (void *) pMac->lim.pDialogueTokenTail);
+        vos_mem_free(pMac->lim.pDialogueTokenTail);
         pMac->lim.pDialogueTokenTail = NULL;
     }
 
     # if 0
     if (pMac->lim.gpLimStartBssReq != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpLimStartBssReq);
+        vos_mem_free(pMac->lim.gpLimStartBssReq);
         pMac->lim.gpLimStartBssReq = NULL;
     }
     #endif
 
     if (pMac->lim.gpLimMlmSetKeysReq != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpLimMlmSetKeysReq);
+        vos_mem_free(pMac->lim.gpLimMlmSetKeysReq);
         pMac->lim.gpLimMlmSetKeysReq = NULL;
     }
 
     #if 0
     if (pMac->lim.gpLimJoinReq != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpLimJoinReq);
+        vos_mem_free(pMac->lim.gpLimJoinReq);
         pMac->lim.gpLimJoinReq = NULL;
     }
     #endif
 
     if (pMac->lim.gpLimMlmAuthReq != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpLimMlmAuthReq);
+        vos_mem_free(pMac->lim.gpLimMlmAuthReq);
         pMac->lim.gpLimMlmAuthReq = NULL;
     }
 
 #if 0
     if (pMac->lim.gpLimMlmJoinReq != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpLimMlmJoinReq);
+        vos_mem_free(pMac->lim.gpLimMlmJoinReq);
         pMac->lim.gpLimMlmJoinReq = NULL;
     }
 #endif
@@ -894,40 +899,40 @@
     #if 0
     if (pMac->lim.gpLimReassocReq != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpLimReassocReq);
+        vos_mem_free(pMac->lim.gpLimReassocReq);
         pMac->lim.gpLimReassocReq = NULL;
     }
     #endif
 
     if (pMac->lim.gpLimMlmRemoveKeyReq != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpLimMlmRemoveKeyReq);
+        vos_mem_free(pMac->lim.gpLimMlmRemoveKeyReq);
         pMac->lim.gpLimMlmRemoveKeyReq = NULL;
     }
 
     if (pMac->lim.gpDefdSmeMsgForNOA != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpDefdSmeMsgForNOA);
+        vos_mem_free(pMac->lim.gpDefdSmeMsgForNOA);
         pMac->lim.gpDefdSmeMsgForNOA = NULL;
     }
 
     if (pMac->lim.gpLimMlmScanReq != NULL)
     {
-        palFreeMemory(pMac->hHdd, pMac->lim.gpLimMlmScanReq);
+        vos_mem_free(pMac->lim.gpLimMlmScanReq);
         pMac->lim.gpLimMlmScanReq = NULL;
     }
 
 #if 0
     if(NULL != pMac->lim.beacon)
     {
-        palFreeMemory(pMac->hHdd, (void*) pMac->lim.beacon);
+        vos_mem_free((void*) pMac->lim.beacon);
         pMac->lim.beacon = NULL;
      }
 #endif
     #if 0
     if(NULL != pMac->lim.assocReq)
     {
-        palFreeMemory(pMac->hHdd, (void*) pMac->lim.assocReq);
+        vos_mem_free((void*) pMac->lim.assocReq);
         pMac->lim.assocReq= NULL;
      }
     #endif
@@ -935,7 +940,7 @@
 #if 0
     if(NULL != pMac->lim.assocRsp)
     {
-        palFreeMemory(pMac->hHdd, (void*) pMac->lim.assocRsp);
+        vos_mem_free((void*) pMac->lim.assocRsp);
         pMac->lim.assocRsp= NULL;
      }
 #endif
@@ -978,55 +983,53 @@
          return eSIR_FAILURE;
     }
 
-    if (eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,
-              (void **) &pMac->lim.limTimers.gpLimCnfWaitTimer, sizeof(TX_TIMER)*pMac->lim.maxStation))
+    pMac->lim.limTimers.gpLimCnfWaitTimer = vos_mem_malloc(sizeof(TX_TIMER) * pMac->lim.maxStation);
+    if (NULL == pMac->lim.limTimers.gpLimCnfWaitTimer)
     {
         PELOGE(limLog(pMac, LOGE, FL("memory allocate failed!"));)
         return eSIR_FAILURE;
     }
 
 #if 0
-    if (eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,
-              (void **) &pMac->lim.gpLimAIDpool, 
-              sizeof(*pMac->lim.gpLimAIDpool) * (WNI_CFG_ASSOC_STA_LIMIT_STAMAX+1)))
+    pMac->lim.gpLimAIDpool = vos_mem_malloc(sizeof(*pMac->lim.gpLimAIDpool) * (WNI_CFG_ASSOC_STA_LIMIT_STAMAX+1));
+    if (NULL == pMac->lim.gpLimAIDpool)
     {
         PELOGE(limLog(pMac, LOGE, FL("memory allocate failed!"));)
         return eSIR_FAILURE;
     }
 #endif
-    if (eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,
-        (void **) &pMac->lim.gpSession, sizeof(tPESession)* pMac->lim.maxBssId))
+    pMac->lim.gpSession = vos_mem_malloc(sizeof(tPESession)* pMac->lim.maxBssId);
+    if (NULL == pMac->lim.gpSession)
     {
         limLog(pMac, LOGE, FL("memory allocate failed!"));
         return eSIR_FAILURE;
     }
  
-    palZeroMemory(pMac->hHdd, pMac->lim.gpSession, sizeof(tPESession)*pMac->lim.maxBssId);
+    vos_mem_set(pMac->lim.gpSession, sizeof(tPESession)*pMac->lim.maxBssId, 0);
 
 
  /*
-    if (eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,
-              (void **) &pMac->dph.dphHashTable.pHashTable, sizeof(tpDphHashNode)*pMac->lim.maxStation))
+    pMac->dph.dphHashTable.pHashTable = vos_mem_malloc(sizeof(tpDphHashNode)*pMac->lim.maxStation);
+    if (NULL == pMac->dph.dphHashTable.pHashTable)
     {
         PELOGE(limLog(pMac, LOGE, FL("memory allocate failed!"));)
         return eSIR_FAILURE;
     }
 
-    if (eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,
-              (void **) &pMac->dph.dphHashTable.pDphNodeArray, sizeof(tDphHashNode)*pMac->lim.maxStation))
+    pMac->dph.dphHashTable.pDphNodeArray = vos_mem_malloc(sizeof(tDphHashNode)*pMac->lim.maxStation);
+    if (NULL == pMac->dph.dphHashTable.pDphNodeArray)
     {
         PELOGE(limLog(pMac, LOGE, FL("memory allocate failed!"));)
         return eSIR_FAILURE;
     }
     */
-
-    if (eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,
-              (void **) &pMac->pmm.gPmmTim.pTim, sizeof(tANI_U8)*pMac->lim.maxStation))
+    pMac->pmm.gPmmTim.pTim = vos_mem_malloc(sizeof(tANI_U8)*pMac->lim.maxStation);
+    if (NULL == pMac->pmm.gPmmTim.pTim)
     {
         PELOGE(limLog(pMac, LOGE, FL("memory allocate failed for pTim!"));)
         return eSIR_FAILURE;
     }
-    palZeroMemory(pMac->hHdd, pMac->pmm.gPmmTim.pTim, sizeof(tANI_U8)*pMac->lim.maxStation);
+    vos_mem_set(pMac->pmm.gPmmTim.pTim, sizeof(tANI_U8)*pMac->lim.maxStation, 0);
 
     pMac->lim.mgmtFrameSessionId = 0xff;
     pMac->lim.deferredMsgCnt = 0;
@@ -1061,22 +1064,22 @@
             peDeleteSession(pMac,&pMac->lim.gpSession[i]);
         }
     }
-    palFreeMemory(pMac->hHdd, pMac->lim.limTimers.gpLimCnfWaitTimer);
+    vos_mem_free(pMac->lim.limTimers.gpLimCnfWaitTimer);
     pMac->lim.limTimers.gpLimCnfWaitTimer = NULL;
 #if 0
-    palFreeMemory(pMac->hHdd, pMac->lim.gpLimAIDpool);
+    vos_mem_free(pMac->lim.gpLimAIDpool);
     pMac->lim.gpLimAIDpool = NULL;
 #endif
     
-    palFreeMemory(pMac->hHdd, pMac->lim.gpSession);
+    vos_mem_free(pMac->lim.gpSession);
     pMac->lim.gpSession = NULL;
     /*
-    palFreeMemory(pMac->hHdd, pMac->dph.dphHashTable.pHashTable);
+    vos_mem_free(pMac->dph.dphHashTable.pHashTable);
     pMac->dph.dphHashTable.pHashTable = NULL;
-    palFreeMemory(pMac->hHdd, pMac->dph.dphHashTable.pDphNodeArray);
+    vos_mem_free(pMac->dph.dphHashTable.pDphNodeArray);
     pMac->dph.dphHashTable.pDphNodeArray = NULL;
     */
-    palFreeMemory(pMac->hHdd, pMac->pmm.gPmmTim.pTim);
+    vos_mem_free(pMac->pmm.gPmmTim.pTim);
     pMac->pmm.gPmmTim.pTim = NULL;
     if( !VOS_IS_STATUS_SUCCESS( vos_lock_destroy( &pMac->lim.lkPeGlobalLock ) ) )
     {
@@ -1607,9 +1610,9 @@
     int i;
     if (!pStaParams->numSta)
     {
-        palCopyMemory( pMac->hHdd, pMac->lim.protStaOverlapCache[0].addr,
-                      bssId,
-                      sizeof(tSirMacAddr));
+        vos_mem_copy(pMac->lim.protStaOverlapCache[0].addr,
+                     bssId,
+                     sizeof(tSirMacAddr));
         pMac->lim.protStaOverlapCache[0].active = true;
 
         pStaParams->numSta = 1;
@@ -1621,7 +1624,7 @@
     {
         if (pMac->lim.protStaOverlapCache[i].active)
         {
-            if (palEqualMemory( pMac->hHdd,pMac->lim.protStaOverlapCache[i].addr,
+            if (vos_mem_compare( pMac->lim.protStaOverlapCache[i].addr,
                           bssId,
                           sizeof(tSirMacAddr))) {
                 return; }
@@ -1636,9 +1639,9 @@
     }
     else
     {
-        palCopyMemory( pMac->hHdd, pMac->lim.protStaOverlapCache[i].addr,
-                      bssId,
-                      sizeof(tSirMacAddr));
+        vos_mem_copy(pMac->lim.protStaOverlapCache[i].addr,
+                     bssId,
+                     sizeof(tSirMacAddr));
         pMac->lim.protStaOverlapCache[i].active = true;
 
         pStaParams->numSta++;
@@ -1808,9 +1811,9 @@
               3 * sizeof(tANI_U8) + // reserved fields
               pBeacon->ssId.length + 1;
 
-        palCopyMemory( pMac->hHdd, apNewCaps.bssId,
-                      psessionEntry->bssId,
-                      sizeof(tSirMacAddr));
+        vos_mem_copy(apNewCaps.bssId,
+                     psessionEntry->bssId,
+                     sizeof(tSirMacAddr));
         if (newChannel != psessionEntry->currentOperChannel)
         {
             PELOGE(limLog(pMac, LOGE, FL("Channel Change from %d --> %d  - "
@@ -1838,8 +1841,8 @@
         }
         else
             apNewCaps.channelId = psessionEntry->currentOperChannel;
-        palCopyMemory( pMac->hHdd, (tANI_U8 *) &apNewCaps.ssId,
-                      (tANI_U8 *) &pBeacon->ssId,
+        vos_mem_copy((tANI_U8 *) &apNewCaps.ssId,
+                     (tANI_U8 *) &pBeacon->ssId,
                       pBeacon->ssId.length + 1);
 
         psessionEntry->fIgnoreCapsChange = false;
@@ -2086,10 +2089,8 @@
          return;
     }
 
-    if (eHAL_STATUS_SUCCESS !=
-                    palAllocateMemory(pMac->hHdd,
-                                      (void **) &pSirSmeMicFailureInd,
-                                      sizeof(tSirSmeMicFailureInd)))
+    pSirSmeMicFailureInd = vos_mem_malloc(sizeof(tSirSmeMicFailureInd));
+    if (NULL == pSirSmeMicFailureInd)
     {
         // Log error
        limLog(pMac, LOGP,
@@ -2102,24 +2103,24 @@
     pSirSmeMicFailureInd->sessionId = psessionEntry->smeSessionId;
 
     vos_mem_copy(pSirSmeMicFailureInd->bssId,
-        pSirMicFailureInd->bssId,
-        sizeof(tSirMacAddr));
+                 pSirMicFailureInd->bssId,
+                 sizeof(tSirMacAddr));
 
     vos_mem_copy(pSirSmeMicFailureInd->info.srcMacAddr,
-        pSirMicFailureInd->info.srcMacAddr,
-        sizeof(tSirMacAddr));
+                 pSirMicFailureInd->info.srcMacAddr,
+                 sizeof(tSirMacAddr));
 
     vos_mem_copy(pSirSmeMicFailureInd->info.taMacAddr,
-        pSirMicFailureInd->info.taMacAddr,
-        sizeof(tSirMacAddr));
+                 pSirMicFailureInd->info.taMacAddr,
+                 sizeof(tSirMacAddr));
 
     vos_mem_copy(pSirSmeMicFailureInd->info.dstMacAddr,
-        pSirMicFailureInd->info.dstMacAddr,
-        sizeof(tSirMacAddr));
+                 pSirMicFailureInd->info.dstMacAddr,
+                 sizeof(tSirMacAddr));
 
     vos_mem_copy(pSirSmeMicFailureInd->info.rxMacAddr,
-        pSirMicFailureInd->info.rxMacAddr,
-        sizeof(tSirMacAddr));
+                 pSirMicFailureInd->info.rxMacAddr,
+                 sizeof(tSirMacAddr));
 
     pSirSmeMicFailureInd->info.multicast = 
                                    pSirMicFailureInd->info.multicast;
@@ -2131,7 +2132,7 @@
                                   pSirMicFailureInd->info.IV1;
 
     vos_mem_copy(pSirSmeMicFailureInd->info.TSC,
-         pSirMicFailureInd->info.TSC,SIR_CIPHER_SEQ_CTR_SIZE);
+                 pSirMicFailureInd->info.TSC,SIR_CIPHER_SEQ_CTR_SIZE);
 
     mmhMsg.type = eWNI_SME_MIC_FAILURE_IND;
     mmhMsg.bodyptr = pSirSmeMicFailureInd;