sysinfo: Use explicit types in <linux/sysinfo.h>

Change <linux/sysinfo.h> to use explicitly sized types.  Replace
long/unsigned long with __kernel_[u]long_t so that a non-legacy 32-bit
ABI running on a 64-bit kernel can export those as 64-bit types.

Originally-by: H. J. Lu <hjl.tools@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/include/linux/sysinfo.h b/include/linux/sysinfo.h
index ec4fc22..934335a 100644 (file)
--- a/include/linux/sysinfo.h
+++ b/include/linux/sysinfo.h
@@ -1,22 +1,24 @@
 #ifndef _LINUX_SYSINFO_H
 #define _LINUX_SYSINFO_H
 
+#include <linux/types.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.. */
+       __kernel_long_t uptime;         /* Seconds since boot */
+       __kernel_ulong_t loads[3];      /* 1, 5, and 15 minute load averages */
+       __kernel_ulong_t totalram;      /* Total usable main memory size */
+       __kernel_ulong_t freeram;       /* Available memory size */
+       __kernel_ulong_t sharedram;     /* Amount of shared memory */
+       __kernel_ulong_t bufferram;     /* Memory used by buffers */
+       __kernel_ulong_t totalswap;     /* Total swap space size */
+       __kernel_ulong_t freeswap;      /* swap space still available */
+       __u16 procs;                    /* Number of current processes */
+       __u16 pad;                      /* Explicit padding for m68k */
+       __kernel_ulong_t totalhigh;     /* Total high memory size */
+       __kernel_ulong_t freehigh;      /* Available high memory size */
+       __u32 mem_unit;                 /* Memory unit size in bytes */
+       char _f[20-2*sizeof(__kernel_ulong_t)-sizeof(__u32)];   /* Padding: libc5 uses this.. */
 };
 
 #endif /* _LINUX_SYSINFO_H */