From: tyberry@redhat.com <tyberry@redhat.com>
Date: Tue, 26 Nov 2024 16:12:03 +0000 (-0500)
Subject: madvise.2: MADV_SOFT_OFFLINE requests can report EBUSY
X-Git-Tag: man-pages-6.10~68
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f505f11556a13dd229dea904f54da2c1f3f90d4;p=thirdparty%2Fman-pages.git

madvise.2: MADV_SOFT_OFFLINE requests can report EBUSY

If the page could not be offlined madvise will report EBUSY.
This might occur if the page is currently in use or locked.

Signed-off-by: Tyonnchie Berry <tyberry@redhat.com>
Message-Id: <Z0XzU9R9Kx0RoeUG@redhat.com>
Acked-by: "Luis Claudio R. Goncalves" <lgoncalv@redhat.com>
[alx: wfix, ffix, and other tweaks]
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/man/man2/madvise.2 b/man/man2/madvise.2
index 4f2210ee2..0dd481d21 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
+.BR MADV_SOFT_OFFLINE )
+Any pages within the specified address range
+could not be offlined.
+This might occur if the page is currently in use or locked.
+.TP
 .B EFAULT
 .I advice
 is