I am running an old kernel 2.4.21, I am curious how each items add up
to the MemTotal or any simple addition math in them?
for example:
# cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 1049841664 1024647168 25194496 0 31010816 163115008
Swap: 2371338240 26906624 2344431616
MemTotal: 1025236 kB
MemFree: 24604 kB
MemShared: 0 kB
Committed: 257936 kB
Buffers: 30284 kB
Cached: 148412 kB
SwapCached: 10880 kB
Active: 276704 kB
ActiveAnon: 164016 kB
ActiveCache: 112688 kB
Inact_dirty: 37688 kB
Inact_laundry: 15400 kB
Inact_clean: 14888 kB
Inact_target: 68936 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 1025236 kB
LowFree: 24604 kB
SwapTotal: 2315760 kB
SwapFree: 2289484 kB
CommitLimit: 2828376 kB
Committed_AS: 257936 kB
HugePages_Total: 154
HugePages_Free: 0
Hugepagesize: 4096 kB
I found that Inact_target = Inact_dirty + Inact_laundry + Inact_clean, but
MemTotal = MemFree + Buffers + Cached + Active + Inact_target +
CommitLimted_AS + ?
Tried to dig into 2.4.21 kernel source code, have not be able to find
those memory data caculations, any pointer would be greatly
appreciated!
Thanks
Vincent Li
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