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| author | Jens Axboe <axboe@kernel.dk> | 2019-02-09 09:48:57 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-02-09 09:48:57 -0700 |
| commit | e9aa44135b2eea12c2be58e095a02c807f5caaa8 (patch) | |
| tree | 95c23573fbead39efce7127e28fff89323640747 | |
| parent | 6726376f321289f2d5801adf96ad2ed6c0c3a8a2 (diff) | |
man/io_uring_register: make note of huge page pinning
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | man/io_uring_register.2 | 4 |
1 files changed, 3 insertions, 1 deletions
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 |