lkml.org 
[lkml]   [2012]   [Feb]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 03/30] sysinfo: Move struct sysinfo to a separate header file
Date
From: "H. Peter Anvin" <hpa@zytor.com>

struct sysinfo is just about the only thing exported to userspace from
<linux/kernel.h>, so move it into a separate header file with a
residual #include in <linux/kernel.h>.

Originally-by: H. J. Lu <hjl.tools@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/n/tip-4pr1xnnksprt7t0h3w5fw4rv@git.kernel.org
---
include/linux/Kbuild | 1 +
include/linux/kernel.h | 21 ++-------------------
include/linux/sysinfo.h | 22 ++++++++++++++++++++++
3 files changed, 25 insertions(+), 19 deletions(-)
create mode 100644 include/linux/sysinfo.h

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index c94e717..8446086 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -355,6 +355,7 @@ header-y += suspend_ioctls.h
header-y += swab.h
header-y += synclink.h
header-y += sysctl.h
+header-y += sysinfo.h
header-y += taskstats.h
header-y += tcp.h
header-y += telephony.h
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index e834342..dc6a50f 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -1,6 +1,8 @@
#ifndef _LINUX_KERNEL_H
#define _LINUX_KERNEL_H

+#include <linux/sysinfo.h>
+
/*
* 'kernel.h' contains some often-used function prototypes etc
*/
@@ -745,27 +747,8 @@ extern int __build_bug_on_failed;
# define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
#endif

-struct sysinfo;
extern int do_sysinfo(struct sysinfo *info);

#endif /* __KERNEL__ */

-#define SI_LOAD_SHIFT 16
-struct sysinfo {
- long uptime; /* Seconds since boot */
- unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
- unsigned long totalram; /* Total usable main memory size */
- unsigned long freeram; /* Available memory size */
- unsigned long sharedram; /* Amount of shared memory */
- unsigned long bufferram; /* Memory used by buffers */
- unsigned long totalswap; /* Total swap space size */
- unsigned long freeswap; /* swap space still available */
- unsigned short procs; /* Number of current processes */
- unsigned short pad; /* explicit padding for m68k */
- unsigned long totalhigh; /* Total high memory size */
- unsigned long freehigh; /* Available high memory size */
- unsigned int mem_unit; /* Memory unit size in bytes */
- char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
-};
-
#endif
diff --git a/include/linux/sysinfo.h b/include/linux/sysinfo.h
new file mode 100644
index 0000000..ec4fc22
--- /dev/null
+++ b/include/linux/sysinfo.h
@@ -0,0 +1,22 @@
+#ifndef _LINUX_SYSINFO_H
+#define _LINUX_SYSINFO_H
+
+#define SI_LOAD_SHIFT 16
+struct sysinfo {
+ long uptime; /* Seconds since boot */
+ unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
+ unsigned long totalram; /* Total usable main memory size */
+ unsigned long freeram; /* Available memory size */
+ unsigned long sharedram; /* Amount of shared memory */
+ unsigned long bufferram; /* Memory used by buffers */
+ unsigned long totalswap; /* Total swap space size */
+ unsigned long freeswap; /* swap space still available */
+ unsigned short procs; /* Number of current processes */
+ unsigned short pad; /* explicit padding for m68k */
+ unsigned long totalhigh; /* Total high memory size */
+ unsigned long freehigh; /* Available high memory size */
+ unsigned int mem_unit; /* Memory unit size in bytes */
+ char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
+};
+
+#endif /* _LINUX_SYSINFO_H */
--
1.7.6.5


\
 
 \ /
  Last update: 2012-02-20 01:13    [W:0.333 / U:26.924 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site