Mapped more than Cached in /proc/meminfo

[Mulyadi Santosa]

Hi///

On 09/08/2011, =/_00/\/\ <z0032oom at gmail.com> wrote:
> Hi,
>
> Thanks for replying
> Here is one observation worth mentioning.
> On boot system it shows Mapped < Cached (In fact much less)

quite predictable.... during booting phase, your system read() much by
doesn't mmap() that much....

> After using system for some time following commands are executed.
> # sync and echo 3 > /proc/sys/vm/drop_cache
>
> Whenever above command is executed I can see Mapped > Cached.

by echoing "3" to drop_cache, you flush the content of page cache as
much as possible ...


--
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com