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Re: badblock leaks system memory?

To: "Johannes Weiner" <hannes@xxxxxxxxxxxx>
Subject: Re: badblock leaks system memory?
From: "Mulyadi Santosa" <mulyadi.santosa@xxxxxxxxx>
Date: Tue, 3 Jun 2008 09:29:50 +0700
Cc: "Guo Hongruan" <camelguo@xxxxxxxxx>, "Bizhan Gholikhamseh (bgholikh)" <bgholikh@xxxxxxxxx>, "Kernel Newbies" <kernelnewbies@xxxxxxxxxxxx>
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Hi !

On Mon, Jun 2, 2008 at 10:05 PM, Johannes Weiner <hannes@xxxxxxxxxxxx> wrote:
> No.  See drop_caches_sysctl_handler() calling drop_pagecache() calling
> __invalidate_mapping_pages().  The latter skips dirty pages and those
> getting written back currently.

Sharp analysis! OK, can't confirm that right now, but I think you're
right since I rarely see disk activity when I force cache drop.

regards,

Mulyadi.

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References:
- Re: badblock leaks system memory?
  - From: Johannes Weiner
- Re: badblock leaks system memory?
  - From: Mulyadi Santosa
- Re: badblock leaks system memory?
  - From: Johannes Weiner

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