From: Alex Henrie <alexhenrie24@gmail.com>
To: linux-man@vger.kernel.org, bgeffon@google.com, linux-mm@kvack.org
Cc: Alex Henrie <alexhenrie24@gmail.com>
Subject: [PATCH] mremap.2: Update information about MREMAP_DONTUNMAP restrictions
Date: Mon, 4 Nov 2024 21:16:41 -0700 [thread overview]
Message-ID: <20241105041700.1386571-1-alexhenrie24@gmail.com> (raw)
See "mm: extend MREMAP_DONTUNMAP to non-anonymous mappings":
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4609387859f0281951f5e476d9f76d7fb9ab321
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
---
man/man2/mremap.2 | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/man/man2/mremap.2 b/man/man2/mremap.2
index 53e0bcf2d..b99ab9492 100644
--- a/man/man2/mremap.2
+++ b/man/man2/mremap.2
@@ -106,7 +106,13 @@ remaps a mapping to a new address but does not unmap the mapping at
.IP
The
.B MREMAP_DONTUNMAP
-flag can be used only with private anonymous mappings
+flag can only be used with mappings that are not
+.BR VM_DONTEXPAND
+or
+.BR VM_MIXEDMAP .
+Before Linux 5.13, the
+.B MREMAP_DONTUNMAP
+flag could be used only with private anonymous mappings
(see the description of
.B MAP_PRIVATE
and
--
2.47.0
next reply other threads:[~2024-11-05 4:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-05 4:16 Alex Henrie [this message]
2024-11-05 11:50 ` Alejandro Colomar
2024-11-11 6:07 ` Alex Henrie
2024-11-11 6:10 ` [PATCH man-pages v2] " Alex Henrie
2024-11-12 23:35 ` Alejandro Colomar
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