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Subject[PATCH] mmap.2: mmap with address NULL and MAP_FIXED results in EPERM
Date
This can be verified with a simple test program. I'm not sure if this is
a kernel bug or a documentation bug, though...
---
man2/mmap.2 | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/man2/mmap.2 b/man2/mmap.2
index d1942b52a..58361c837 100644
--- a/man2/mmap.2
+++ b/man2/mmap.2
@@ -515,6 +515,13 @@ was mounted no-exec.
.\" (Since 2.4.25 / 2.6.0.)
.TP
.B EPERM
+The
+.I addr
+argument is 0 and
+.B MAP_FIXED
+is specified.
+.TP
+.B EPERM
The operation was prevented by a file seal; see
.BR fcntl (2).
.TP
--
2.13.1
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