* We don't want to do block allocation, so redirty
* the page and return. We may reach here when we do
* a journal commit via journal_submit_inode_data_buffers.
- * We can also reach here via shrink_page_list
+ * We can also reach here via shrink_page_list but it
+ * should never be for direct reclaim so warn if that
+ * happens
*/
+ WARN_ON_ONCE((current->flags & (PF_MEMALLOC|PF_KSWAPD)) ==
+ PF_MEMALLOC);
goto redirty_page;
}
if (commit_write)