diff --git a/src/gallium/frontends/lavapipe/lvp_device.c b/src/gallium/frontends/lavapipe/lvp_device.c
index 3828affce6b..1d2675c385b 100644
--- a/src/gallium/frontends/lavapipe/lvp_device.c
+++ b/src/gallium/frontends/lavapipe/lvp_device.c
@@ -1590,6 +1590,7 @@ VKAPI_ATTR VkResult VKAPI_CALL lvp_AllocateMemory(
 
    mem->memory_type = LVP_DEVICE_MEMORY_TYPE_DEFAULT;
    mem->backed_fd = -1;
+   mem->size = pAllocateInfo->allocationSize;
 
    if (host_ptr_info) {
       mem->pmem = host_ptr_info->pHostPointer;
diff --git a/src/gallium/frontends/lavapipe/lvp_private.h b/src/gallium/frontends/lavapipe/lvp_private.h
index d1c2443d43b..e54f52d637e 100644
--- a/src/gallium/frontends/lavapipe/lvp_private.h
+++ b/src/gallium/frontends/lavapipe/lvp_private.h
@@ -208,6 +208,7 @@ struct lvp_device_memory {
    struct pipe_memory_allocation *pmem;
    uint32_t                                     type_index;
    VkDeviceSize                                 map_size;
+   VkDeviceSize                                 size;
    void *                                       map;
    enum lvp_device_memory_type memory_type;
    int                                          backed_fd;