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Commit d8e5ddef authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

sysinfo: Move struct sysinfo to a separate header file 



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: default avatarH. J. Lu <hjl.tools@gmail.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/n/tip-4pr1xnnksprt7t0h3w5fw4rv@git.kernel.org
parent 4f72e331

include/linux/Kbuild

+1 −0
Original line number Diff line number Diff line
@@ -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

include/linux/kernel.h

+2 −19
Original line number Diff line number Diff line 
#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

include/linux/sysinfo.h

0 → 100644
+22 −0
Original line number Diff line number Diff line 
#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 */