linux-kernel - Re: Excessive printks increase top mem usage?

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Message-ID: <b681c62b0701250523w14f0d0efl78b1ab3be7693c31@mail.gmail.com>
Date:	Thu, 25 Jan 2007 18:53:29 +0530
From:	"yogeshwar sonawane" <yogyas@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Excessive printks increase top mem usage?

Subject is updated

On 1/25/07, yogeshwar sonawane <yogyas@...il.com> wrote:
> Hi all,
> I am running a user application which will just open/close my driver
> (simple one, empty functions with only printks) infinitely.
> A massive use of printk can slow down the system noticeably OR it can
> affect some time calculations.
> Apart from this, it was increasing top mem usage also. After closing
> the application, the memory consumption was not coming down(not
> freeing mem). Is this the expected behaviour? OR i am missing
> something?
>
> Can anybody help me in guiding the reason for this? Any help/links plz.
>
> Thanks in advance,
> Yogeshwar
>
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