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From: "Albert D. Cahalan" <acahalan@cs.uml.edu>
To: allan.d@bigpond.com (Allan Duncan)
Cc: linux-kernel@vger.kernel.org
Subject: Re: Shared memory quantity not being reflected by /proc/meminfo
Date: Sat, 23 Jun 2001 22:49:18 -0400 (EDT)	[thread overview]
Message-ID: <200106240249.f5O2nIF07215@saturn.cs.uml.edu> (raw)
In-Reply-To: <3B3486C7.7A39478@bigpond.com> from "Allan Duncan" at Jun 23, 2001 10:08:39 PM

Allan Duncan writes:

> Since the 2.4.x advent of shm as tmpfs or thereabouts,
> /proc/meminfo shows shared memory as 0.  It is in
> reality not zero, and is being allocated, and shows
> up in /proc/sysvipc/shm and /proc/sys/kernel/shmall
> etc..
> Neither 2.4.6-pre5 nor 2.4.5-ac17 have the correct
> display.

You misunderstood what 2.2.xx kernels were reporting.
The "shared" memory in /proc/meminfo refers to something
completely unrelated to SysV shared memory. This is no
longer calculated because the computation was too costly.


  reply	other threads:[~2001-06-24  2:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-06-23 12:08 Shared memory quantity not being reflected by /proc/meminfo Allan Duncan
2001-06-24  2:49 ` Albert D. Cahalan [this message]
2001-06-24  8:44   ` Christoph Rohland
2001-06-24 12:25     ` Allan Duncan
2001-06-25  7:01       ` Christoph Rohland
2001-06-25 10:19         ` Allan Duncan

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