From e9aa44135b2eea12c2be58e095a02c807f5caaa8 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Sat, 9 Feb 2019 09:48:57 -0700 Subject: man/io_uring_register: make note of huge page pinning Signed-off-by: Jens Axboe --- man/io_uring_register.2 | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'man/io_uring_register.2') diff --git a/man/io_uring_register.2 b/man/io_uring_register.2 index 6985633..7ba47f2 100644 --- a/man/io_uring_register.2 +++ b/man/io_uring_register.2 @@ -55,7 +55,9 @@ or with the .B MAP_ANONYMOUS flag set. It is expected that this limitation will be lifted in the -future. +future. Huge pages are supported as well. Note that the entire huge +page will be pinned in the kernel, even if only a portion of it is +used. After a successful call, the supplied buffers are mapped into the kernel and eligible for I/O. To make use of them, the application -- cgit