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authorJens Axboe <axboe@kernel.dk>2019-02-09 09:48:57 -0700
committerJens Axboe <axboe@kernel.dk>2019-02-09 09:48:57 -0700
commite9aa44135b2eea12c2be58e095a02c807f5caaa8 (patch)
tree95c23573fbead39efce7127e28fff89323640747 /man
parent6726376f321289f2d5801adf96ad2ed6c0c3a8a2 (diff)
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man/io_uring_register: make note of huge page pinning
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'man')
-rw-r--r--man/io_uring_register.24
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