diff --git a/gralloc_priv.h b/gralloc_priv.h
index a9a665d..3869ac3 100644
--- a/gralloc_priv.h
+++ b/gralloc_priv.h
@@ -311,6 +311,7 @@ struct private_handle_t {
         PRIV_FLAGS_USES_PMEM_ADSP = 0x00000004,
         PRIV_FLAGS_NEEDS_FLUSH    = 0x00000008,
         PRIV_FLAGS_USES_ASHMEM    = 0x00000010,
+        PRIV_FLAGS_DO_NOT_FLUSH   = 0x00000020,
     };
 
     enum {
diff --git a/mapper.cpp b/mapper.cpp
index 4223ae7..4a83483 100644
--- a/mapper.cpp
+++ b/mapper.cpp
@@ -354,7 +354,8 @@ int gralloc_perform(struct gralloc_module_t const* module,
             hnd->magic = private_handle_t::sMagic;
             hnd->fd = fd;
             hnd->flags = (memoryFlags == GRALLOC_USAGE_PRIVATE_PMEM) ?
-                         private_handle_t::PRIV_FLAGS_USES_PMEM :
+                         private_handle_t::PRIV_FLAGS_USES_PMEM |
+                         private_handle_t::PRIV_FLAGS_DO_NOT_FLUSH:
                          private_handle_t::PRIV_FLAGS_USES_ASHMEM;
             hnd->size = size;
             hnd->offset = offset;