[PATCH] memfd_create.2: fix header for memfd_create()

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sys/memfd.h doesn't exist. memfd_create() is declared in sys/mman.h and
some flags only available in linux/memfd.h.

Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
 man2/memfd_create.2 | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/man2/memfd_create.2 b/man2/memfd_create.2
index 678814285..2c73c27b2 100644
--- a/man2/memfd_create.2
+++ b/man2/memfd_create.2
@@ -22,7 +22,7 @@
 .SH NAME
 memfd_create \- create an anonymous file
 .SH SYNOPSIS
-.B #include <sys/memfd.h>
+.B #include <sys/mman.h>
 .PP
 .BI "int memfd_create(const char *" name ", unsigned int " flags ");"
 .SH DESCRIPTION
@@ -121,7 +121,7 @@ to select alternative hugetlb page sizes (respectively, 2\ MB, 1\ GB, ...)
 on systems that support multiple hugetlb page sizes.
 Definitions for known
 huge page sizes are included in the header file
-.I <sys/memfd.h>.
+.I <linux/memfd.h>.
 .IP
 For details on encoding huge page sizes not included in the header file,
 see the discussion of the similarly named constants in
@@ -396,7 +396,7 @@ Existing seals: WRITE SHRINK
 .SS Program source: t_memfd_create.c
 \&
 .EX
-#include <sys/memfd.h>
+#include <sys/mman.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -478,7 +478,7 @@ main(int argc, char *argv[])
 .SS Program source: t_get_seals.c
 \&
 .EX
-#include <sys/memfd.h>
+#include <sys/mman.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdlib.h>
-- 
2.17.1

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