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madvise(2): madvise can return EBUSY on MADV_SOFT_OFFLINE requests.

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(RHEL-34105)

Resolves: RHEL-34105
This commit is contained in:
Patsy Griffin 2025-11-12 20:09:13 -05:00
parent cbd4800909
commit 4665dd5b03
2 changed files with 40 additions and 1 deletions
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33
RHEL-34105.patch Normal file
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@ -0,0 +1,33 @@
commit 6f505f11556a13dd229dea904f54da2c1f3f90d4
Author: tyberry@redhat.com <tyberry@redhat.com>
Date: Tue Nov 26 11:12:03 2024 -0500
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/man2/madvise.2 b/man2/madvise.2
index 4f2210ee2..0dd481d21 100644
--- a/man2/madvise.2
+++ b/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

8
man-pages.spec
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@ -1,7 +1,7 @@
Summary: Linux kernel and C library user-space interface documentation
Name: man-pages
Version: 6.04
Release: 8%{?dist}
Release: 9%{?dist}
# List of licenses with examples of man-pages using them
# BSD-2-Clause: man-pages/man5/elf.5
# BSD-3-Clause: man-pages/man3/list.3
@ -67,6 +67,7 @@ Patch29: RHEL-87625-1.patch
Patch30: RHEL-87625-2.patch
Patch31: RHEL-87625-3.patch
Patch32: RHEL-87625-4.patch
Patch33: RHEL-34105.patch
%description
A large collection of manual pages from the Linux Documentation Project (LDP).
@ -86,6 +87,7 @@ A large collection of manual pages from the Linux Documentation Project (LDP).
%patch -p1 -P 30
%patch -p1 -P 31
%patch -p1 -P 32
%patch -p1 -P 33
## Remove man pages we are not going to use ##
@ -138,6 +140,10 @@ fi
%{_mandir}/man*/*
%changelog
* Wed Nov 12 2025 Patsy Griffin <patsy@redhat.com> - 6.04-9
- madvise(2): madvise can return EBUSY on MADV_SOFT_OFFLINE requests.
Resolves: RHEL-34105
* Thu Oct 02 2025 Patsy Griffin <patsy@redhat.com> - 6.04-8
- Document RWF_ATOMIC, STATX_ATTR_WRITE_ATOMIC flags (RHEL-87625)