diff --git a/app/aboot/aboot.c b/app/aboot/aboot.c
index 0052726..018f01a 100755
--- a/app/aboot/aboot.c
+++ b/app/aboot/aboot.c
@@ -95,6 +95,9 @@
 #include <menu_keys_detect.h>
 #include <display_menu.h>
 #include "fastboot_test.h"
+/*[TracyChui]Add memory_config property 20200615 start */
+#include <mmu.h>
+/*[TracyChui]Add memory_config property 20200615 end */
 
 extern  bool target_use_signed_kernel(void);
 extern void platform_uninit(void);
@@ -207,6 +210,10 @@
 static const char *baseband_apq_nowgr   = " androidboot.baseband=baseband_apq_nowgr";
 static const char *androidboot_slot_suffix = " androidboot.slot_suffix=";
 static const char *skip_ramfs = " skip_initramfs";
+/* [TracyChui]Add memory_config property 20200615 start */
+static const char *memory_config_3G = " androidboot.memory_config=32GB,3GB";
+static const char *memory_config_4G = " androidboot.memory_config=64GB,4GB";
+/* [TracyChui]Add memory_config property 20200615 end */
 
 #if HIBERNATION_SUPPORT
 static const char *resume = " resume=/dev/mmcblk0p";
@@ -619,6 +626,7 @@
 #endif	
 /*[20200605][TracyChui] Implement get Serial Number end */
 
+
 #if VERIFIED_BOOT
 	if (VB_M <= target_get_vb_version())
 	{
@@ -757,11 +765,11 @@
 
 		case 4: // MP(8901MB-008)
 			cmdline_len += strlen(PCBA_STAGE_4);
-			break;			
+			break;
 
 		case 5: // MP-8903MB_001
 			cmdline_len += strlen(PCBA_STAGE_5);
-			break;			
+			break;
 
 		default:// Reserved
 			cmdline_len += strlen(PCBA_STAGE_F);
@@ -769,6 +777,17 @@
 	}
 	//>20200424-michaellin
 
+	/* [TracyChui]Add memory_config property 20200615 start */
+	if(smem_get_ddr_size() == MEM_3GB )
+		{
+			cmdline_len += strlen(memory_config_3G);
+		}
+	else
+		{
+			cmdline_len += strlen(memory_config_4G);
+		}
+	/* [TracyChui]Add memory_config property 20200615 end */
+
 #if ENABLE_DISPLAY
 	if (cmdline) {
 		if ((strstr(cmdline, DISPLAY_DEFAULT_PREFIX) == NULL) &&
@@ -978,6 +997,21 @@
 		}
 		//>20200424-michaellin
 
+		/* [TracyChui]Add memory_config property 20200615 start */
+		if(smem_get_ddr_size() == MEM_3GB )
+		{
+			src = memory_config_3G;
+			if (have_cmdline) --dst;
+			while ((*dst++ = *src++));
+		}
+		else
+		{
+			src = memory_config_4G;
+			if (have_cmdline) --dst;
+			while ((*dst++ = *src++));
+		}
+		/* [TracyChui]Add memory_config property 20200615 end */
+          
 #if VERIFIED_BOOT
 		if (VB_M <= target_get_vb_version())
 		{
@@ -3340,7 +3374,7 @@
 	fastboot_okay("");
 }
 #endif
-/*[TracyChui] Add lock unlock fastboot commnad to skip ui check 20200611 end */
+/*[TracyChui] Add lock unlock fastboot commnad to skip ui check 20200611 end */
 
 static bool critical_flash_allowed(const char * entry)
 {