> Just because your hardware is capable of doing 64 bit does not mean > you > installed a 64 bit kernel. > > What is the output of > > uname -a
The output of "uname -a" is "2.6.18-8.1.14.el5". The system is definitely 64bit OS. I have checked its memory layout. Totally there is 8G memory and all belong to LowMem. And HighMem is 0. Here is the output of "cat /proc/meminfo" [EMAIL PROTECTED] proc]# cat meminfo MemTotal: 8178672 kB MemFree: 6458496 kB Buffers: 224360 kB Cached: 1268404 kB SwapCached: 0 kB Active: 624884 kB Inactive: 935680 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 8178672 kB LowFree: 6458496 kB SwapTotal: 2031608 kB SwapFree: 2031608 kB Dirty: 32 kB Writeback: 0 kB AnonPages: 67784 kB Mapped: 26556 kB Slab: 127912 kB PageTables: 6776 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 6120944 kB Committed_AS: 145356 kB VmallocTotal: 34359738367 kB VmallocUsed: 265208 kB VmallocChunk: 34359472899 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 Hugepagesize: 2048 kB Thanks, wenji
