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From: tyberry@redhat.com
To: Alejandro Colomar <alx@kernel.org>
Cc: linux-man@vger.kernel.org, lgoncalv@redhat.com
Subject: [PATCH] madvise: MADV_SOFT_OFFLINE requests can return -EBUSY
Date: Thu, 10 Oct 2024 17:41:38 -0400	[thread overview]
Message-ID: <ZwhJXaNGoA4Y1UNz@redhat.com> (raw)

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 <tyberry@redhat.com>

---

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


             reply	other threads:[~2024-10-10 21:41 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-10 21:41 tyberry [this message]
2024-11-01 13:20 ` [PATCH] madvise: MADV_SOFT_OFFLINE requests can return -EBUSY Alejandro Colomar

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