From: Diego Calleja <diegocg@gmail.com>
To: "Ashley" <ashleyz@alchip.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernel cached memory
Date: Fri, 22 Jul 2005 13:31:40 +0200 [thread overview]
Message-ID: <20050722133140.22f64a17.diegocg@gmail.com> (raw)
In-Reply-To: <003401c58ea2$4dfd76f0$5601010a@ashley>
El Fri, 22 Jul 2005 17:46:58 +0800,
"Ashley" <ashleyz@alchip.com> escribió:
> from the output of command "free", I can see that many GB memory was cached
> by kernel. Does anyone know how to free the kernel cached
> memory? thanks in advance.
You don't want that. Kernel will free cached memory when apps need it. When
there's a lot of free memory, linux always tries to use it for cache - because
caches speed up things, and it's silly to to leave memory free if you can
use it for caching.
next prev parent reply other threads:[~2005-07-22 13:11 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-22 9:46 Kernel cached memory Ashley
2005-07-22 11:31 ` Diego Calleja [this message]
2005-07-22 12:57 ` Erik Mouw
2005-07-22 21:43 ` John Pearson
2005-07-23 12:31 ` Denis Vlasenko
2005-07-22 13:25 ` Gábor Lénárt
2005-07-22 17:58 ` Lee Revell
2005-07-23 10:50 ` Oliver Neukum
2005-07-25 16:47 ` Bill Davidsen
2005-07-25 17:03 ` Diego Calleja
2005-07-25 17:07 ` Paolo Ornati
2005-07-25 18:02 ` Bill Davidsen
2005-08-01 10:38 ` Gábor Lénárt
2005-08-01 21:08 ` Bill Davidsen
-- strict thread matches above, loose matches on Subject: below --
2005-07-26 0:35 Chuck Ebbert
[not found] <4t5s8-68A-33@gated-at.bofh.it>
[not found] ` <4tdIU-479-9@gated-at.bofh.it>
2005-07-26 5:03 ` Robert Hancock
2005-07-26 15:00 ` Bill Davidsen
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