If the page could not be offlined madvise will return -EBUSY. This might occur if the page is currently in use or locked. Signed-off-by: Tyonnchie Berry <tyberry@xxxxxxxxxx> --- diff --git a/man/man2/madvise.2 b/man/man2/madvise.2 index 4f2210ee2..c10dcd599 100644 --- a/man/man2/madvise.2 +++ b/man/man2/madvise.2 @@ -702,6 +702,13 @@ The map exists, but the area maps something that isn't a file. .BR MADV_COLLAPSE ) Could not charge hugepage to cgroup: cgroup limit exceeded. .TP +.B EBUSY +(for +.B MADV_SOFT_OFFLINE ) +If any pages within the add+length range could not be offlined, +madvise will return -EBUSY. +This might occur if the page is currently in use or locked. +.TP .B EFAULT .I advice is