man/io_uring_queue_init.3: mention page alignment requirement

If io_uring_queue_init_mem() is used, the memory passed in must be aligned on a page boundary. Link: #1329 Signed-off-by: Jens Axboe <[email protected]>
axboe · Feb 18, 2025 · f06c186 · f06c186
1 parent bf56ab2
commit f06c186
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/man/io_uring_queue_init.3 b/man/io_uring_queue_init.3
@@ -98,7 +98,7 @@ flag to
 .BR io_uring_setup (2).
 The buffer passed to
 .BR io_uring_queue_init_mem (3)
-must already be zeroed.
+must be page size aligned on the host, and must already be zeroed.
 Typically, the caller should allocate a huge page and pass that in to
 .BR io_uring_queue_init_mem (3).
 Pages allocated by mmap are already zeroed.