Re: [Follow-up] Physical memory disappeared from /proc/meminfo

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From: Andi Kleen

Subject: Re: [Follow-up] Physical memory disappeared from /proc/meminfo

Date: Sunday, August 17, 2008 - 11:09 pm

"Marc Villemade" <mastachand@gmail.com> writes:
quoted text>
> I'm having exactly the same issue but on a 2.6.20.4 vanilla kernel
> (x86). /proc/meminfo shows that
> MemFree+Buffers+cached+AnonPages+Slab+Mapped != MemTotal, which AFAIK
> should be the case.

Nope, the equation is not necessarily true. 
See http://halobates.de/memorywaste.pdf for a detailed discussion.

-Andi
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Messages in current thread:

[Follow-up] Physical memory disappeared from /proc/meminfo, Marc Villemade, (Sun Aug 17, 10:59 am)

Re: [Follow-up] Physical memory disappeared from /proc/meminfo, Rik van Riel, (Sun Aug 17, 11:59 am)

Re: [Follow-up] Physical memory disappeared from /proc/meminfo, Marc Villemade, (Sun Aug 17, 12:26 pm)

Re: [Follow-up] Physical memory disappeared from /proc/meminfo, Arjan van de Ven, (Sun Aug 17, 12:42 pm)

Re: [Follow-up] Physical memory disappeared from /proc/meminfo, Marc Villemade, (Sun Aug 17, 1:22 pm)

Re: [Follow-up] Physical memory disappeared from /proc/meminfo, Andi Kleen, (Sun Aug 17, 11:09 pm)


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