Hi

On Sat, May 31, 2008 at 10:35 AM, Guo Hongruan <[EMAIL PROTECTED]> wrote:
> Hi Bizhan,
> Do you notice that the buffers has increased (399440 - 262256 = 137184)? So
> I think it is because the *badblock* reads the block device and causes the
> VFS buffer cache grows. The VFS buffer cache just borrows your free memory
> and will returns when necessary.

...And to drop the cache, I remember there is entry under
/proc/sys/vm/...its name is probably "drop_cache". IIRC, echo 2 to
that file means flushing out (implicitly means sync it first with the
backing storage) page cache and buffer.

regards,

Mulyadi.

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