FIX alignment = 2 MB

Author: ldorau

src/provider/provider_devdax_memory.c

@@ -542,8 +542,7 @@ static umf_result_t devdax_open_ipc_handle(void *provider,
     // length and offset passed to mmap() have to be page-aligned
     size_t offset_aligned = devdax_ipc_data->offset;
     size_t length_aligned = devdax_ipc_data->length;
-    utils_align_ptr_down_size_up((void **)&offset_aligned, &length_aligned,
-                                 utils_get_page_size());
+    utils_align_ptr_down_size_up((void **)&offset_aligned, &length_aligned, (2 * 1024 * 1024));
 
     // mmap /dev/dax with the MAP_SYNC xor MAP_SHARED flag (if MAP_SYNC fails)
     char *addr =
@@ -582,7 +581,7 @@ static umf_result_t devdax_close_ipc_handle(void *provider, void *ptr,
     }
 
     // ptr and size passed to munmap() have to be page-aligned
-    utils_align_ptr_down_size_up(&ptr, &size, utils_get_page_size());
+    utils_align_ptr_down_size_up(&ptr, &size, (2 * 1024 * 1024));
 
     errno = 0;
     int ret = utils_munmap(ptr, size);