remap_file_pages.2: Note that remap_file_pages() is deprecated

Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/remap_file_pages.2 b/man2/remap_file_pages.2
index acc5b3f13f5e0ff016d1b68c9677059ca5d437a9..0acd5a80b80f99325391bdbba96ee42d599eaf8e 100644 (file)
--- a/man2/remap_file_pages.2
+++ b/man2/remap_file_pages.2
@@ -37,6 +37,14 @@ remap_file_pages \- create a nonlinear file mapping
 .BI "                     size_t " pgoff ", int " flags );
 .fi
 .SH DESCRIPTION
+.BR Note :
+.\" commit 33041a0d76d3c3e0aff28ac95a2ffdedf1282dbc
+.\" http://lwn.net/Articles/597632/
+this system call is (since Linux 3.16) deprecated and will
+eventually be replaced by a slower in-kernel emulation.
+Those few applications that use this system call should
+consider migrating to alternatives.
+
 The
 .BR remap_file_pages ()
 system call is used to create a nonlinear mapping, that is, a mapping