meminfo

["Hilik Stein" <hilik@wanwall.com>]

Hi
i was trying to understand the information in /proc/meminfo, to no avail.
I am running a linux kernel 2.4.3
i have a working system here, where i see that the amount of free memory
keeps dropping constantly, and never goes back up, i understood that it
could be that the memory was going into some memory caches, can someone
please explain how i can locate the missing memory ?
another thing that i failed to understand is the difference between low
memory and high memory. what applications are using which type of memory ?
what happens when i run out of either of low or high memory ?
i also heard that the memory management has been greatly improved after
2.4.7, what has changed so much ?
any pointers to where i can learn more about this memory management scheme
would be greatly appreciated.
thanks
Hilik

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