diff --git a/core/Makefile b/core/Makefile
index 27252e2..3eb4211 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1139,6 +1139,7 @@
     $(if $(BOARD_VENDORIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "vendor_squashfs_block_size=$(BOARD_VENDORIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
     $(if $(BOARD_VENDORIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "vendor_squashfs_disable_4k_align=$(BOARD_VENDORIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
     $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_BASE_FS_PATH),$(hide) echo "vendor_base_fs_file=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_BASE_FS_PATH)" >> $(1))
+    $(if $(BOARD_VENDORIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "vendor_reserved_size=$(BOARD_VENDORIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
 )
 $(if $(filter $(2),product),\
     $(if $(BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "product_fs_type=$(BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
@@ -2094,8 +2095,11 @@
     $(call build-image-kernel-modules,$(BOARD_VENDOR_KERNEL_MODULES),$(TARGET_OUT_VENDOR),vendor/,$(call intermediates-dir-for,PACKAGING,depmod_vendor)))
   $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
       build/make/tools/releasetools/build_image.py \
-      $(TARGET_OUT_VENDOR) $(vendorimage_intermediates)/vendor_image_info.txt $(INSTALLED_VENDORIMAGE_TARGET) $(TARGET_OUT)
-  $(hide) $(call assert-max-image-size,$(INSTALLED_VENDORIMAGE_TARGET),$(BOARD_VENDORIMAGE_PARTITION_SIZE))
+      $(TARGET_OUT_VENDOR) $(vendorimage_intermediates)/vendor_image_info.txt $(INSTALLED_VENDORIMAGE_TARGET) $(TARGET_OUT) \
+      $(vendorimage_intermediates)/generated_vendor_image_info.txt
+  $(hide) $(call assert-max-image-size,$(INSTALLED_VENDORIMAGE_TARGET),\
+      $(call read-image-prop-dictionary,\
+          $(vendorimage_intermediates)/generated_vendor_image_info.txt,vendor_size))
 endef
 
 # We just build this directly to the install location.
diff --git a/core/config.mk b/core/config.mk
index f92375c..17c9eab 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -936,6 +936,13 @@
 endif
 endif
 
+ifneq ($(BOARD_VENDORIMAGE_PARTITION_SIZE),)
+ifneq ($(BOARD_VENDORIMAGE_PARTITION_RESERVED_SIZE),)
+$(error Should not define BOARD_VENDORIMAGE_PARTITION_SIZE and \
+    BOARD_VENDORIMAGE_PARTITION_RESERVED_SIZE together)
+endif
+endif
+
 endif # USE_LOGICAL_PARTITIONS
 
 # ###############################################################
diff --git a/core/product.mk b/core/product.mk
index 6a5add3..9eeacf0 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -379,6 +379,7 @@
 # Logical partitions related variables.
 _product_stash_var_list += \
 	BOARD_SYSTEMIMAGE_PARTITION_RESERVED_SIZE \
+	BOARD_VENDORIMAGE_PARTITION_RESERVED_SIZE \
 
 #
 # Mark the variables in _product_stash_var_list as readonly
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 4e690fe..7b4831f 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -855,6 +855,7 @@
     copy_prop("vendor_extfs_inode_count", "extfs_inode_count")
     if not copy_prop("vendor_extfs_rsv_pct", "extfs_rsv_pct"):
       d["extfs_rsv_pct"] = "0"
+    copy_prop("vendor_reserved_size", "partition_reserved_size")
   elif mount_point == "product":
     copy_prop("avb_product_hashtree_enable", "avb_hashtree_enable")
     copy_prop("avb_product_add_hashtree_footer_args",
@@ -911,6 +912,8 @@
     copy_prop("partition_size", "system_size")
   elif mount_point == "system_other":
     copy_prop("partition_size", "system_size")
+  elif mount_point == "vendor":
+    copy_prop("partition_size", "vendor_size")
   return d