1diff --git a/third_party/ashmem/ashmem-dev.c b/third_party/ashmem/ashmem-dev.c 2index 399ea36ce3826..6bb4977bab28d 100644 3--- a/third_party/ashmem/ashmem-dev.c 4+++ b/third_party/ashmem/ashmem-dev.c 5@@ -235,7 +235,7 @@ int ashmem_get_prot_region(int fd) { 6 int result = PROT_READ; 7 const size_t page_size = (size_t)sysconf(_SC_PAGESIZE); 8 void* m = mmap(NULL, page_size, PROT_READ|PROT_WRITE, 9- MAP_PRIVATE, fd, 0); 10+ MAP_SHARED, fd, 0); 11 if (m != MAP_FAILED) { 12 munmap(m, page_size); 13 result = PROT_READ|PROT_WRITE; 14