[PATCH] madvise: MADV_SOFT_OFFLINE requests can return -EBUSY
From: <hidden>
Date: 2024-10-10 21:41:44
Subsystem:
the rest · Maintainer:
Linus Torvalds
If any page(s) 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. Signed-off-by: Tyonnchie Berry <redacted> ---
diff --git a/man/man2/madvise.2 b/man/man2/madvise.2
index 441edfbc1..13ee7957c 100644
--- a/man/man2/madvise.2
+++ b/man/man2/madvise.2@@ -702,6 +702,11 @@ 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 page(s) 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