linux内核中得到内存的使用情况si_meminfo-创新互联

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[20-2sizeof(long)-sizeof(int)]; / Padding: libc5 uses this.. */
};

si_meminfo(struct sysinfo *val)

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