Fix open

Author: ldorau

src/provider/provider_devdax_memory.c

@@ -448,25 +448,22 @@ static umf_result_t devdax_open_ipc_handle(void *provider,
     unsigned map_sync_flag = 0;
     utils_translate_mem_visibility_flag(UMF_MEM_MAP_SYNC, &map_sync_flag);
 
-    size_t length_aligned = ALIGN_UP(devdax_ipc_data->length, DEVDAX_PAGE_SIZE_2MB);
+    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, DEVDAX_PAGE_SIZE_2MB);
 
     // mmap /dev/dax with the MAP_SYNC xor MAP_SHARED flag (if MAP_SYNC fails)
     char *addr = utils_mmap_file(NULL, length_aligned,
                                  devdax_ipc_data->protection, map_sync_flag, fd,
-                                 devdax_ipc_data->offset);
+                                 offset_aligned);
     if (addr == NULL) {
         devdax_store_last_native_error(UMF_DEVDAX_RESULT_ERROR_ALLOC_FAILED,
                                        errno);
 
-        if (IS_NOT_ALIGNED(devdax_ipc_data->offset, DEVDAX_PAGE_SIZE_2MB)) {
-            LOG_WARN("offset (%zu) is not aligned to the page size (%zu)",
-                     devdax_ipc_data->offset, DEVDAX_PAGE_SIZE_2MB);
-        }
-
         LOG_PERR("devdax mapping failed (path: %s, size: %zu, protection: %i, "
                  "fd: %i, offset: %zu)",
                  devdax_ipc_data->path, length_aligned,
-                 devdax_ipc_data->protection, fd, devdax_ipc_data->offset);
+                 devdax_ipc_data->protection, fd, offset_aligned);
 
         *ptr = NULL;
         (void)utils_close_fd(fd);
@@ -477,7 +474,7 @@ static umf_result_t devdax_open_ipc_handle(void *provider,
     LOG_DEBUG("devdax mapped (path: %s, size: %zu, protection: %i, fd: %i, "
               "offset: %zu) to address %p",
               devdax_ipc_data->path, length_aligned,
-              devdax_ipc_data->protection, fd, devdax_ipc_data->offset, addr);
+              devdax_ipc_data->protection, fd, offset_aligned, addr);
 
     *ptr = addr;