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From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: "Austin S. Hemmelgarn" <ahferroin7@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
	Pierre Paul MINGOT <mingot.pierre@gmail.com>,
	jslaby@suse.cz, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Add possibility to set /dev/tty number
Date: Tue, 5 Jan 2016 20:47:45 +0000	[thread overview]
Message-ID: <20160105204745.760727c1@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <568C0DB5.8070200@gmail.com>

> This means that not including the VT subsystem resulted in a 128k 
> reduction in runtime footprint, and having only half the number of VT's 
> resulted in a 52k reduction.  Assuming a linear correlation between the 
> number of VT's and the runtime footprint of the subsystem, that means 
> the subsystem itself incurs 26k of overhead, and each VT incurs 
> approximately 1.6k of overhead.

Doesn't seem an unreasonable value - so yes you've made an argument for
dynamically allocating the vt structures when they are first referenced.

Alan

  reply	other threads:[~2016-01-05 20:48 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-04 15:34 [PATCH] Add possibility to set /dev/tty number Pierre Paul MINGOT
2016-01-04 15:43 ` Greg KH
2016-01-04 16:57   ` Austin S. Hemmelgarn
2016-01-04 17:11     ` Greg KH
2016-01-04 18:41       ` Austin S. Hemmelgarn
2016-01-04 22:55         ` One Thousand Gnomes
2016-01-05 13:16           ` Austin S. Hemmelgarn
2016-01-05 15:24             ` Greg KH
2016-01-05 15:33               ` Austin S. Hemmelgarn
2016-01-05 16:11             ` Theodore Ts'o
2016-01-05 16:22               ` Austin S. Hemmelgarn
2016-01-05  8:51         ` Pierre Paul MINGOT
2016-01-05 13:02           ` Austin S. Hemmelgarn
2016-01-05 15:25           ` Greg KH
2016-01-05 15:43             ` Austin S. Hemmelgarn
2016-01-05 16:03               ` Greg KH
2016-01-05 18:38         ` Austin S. Hemmelgarn
2016-01-05 20:47           ` One Thousand Gnomes [this message]
2016-01-06 12:42             ` Austin S. Hemmelgarn
2016-01-06 13:54               ` One Thousand Gnomes
2016-01-06 14:07                 ` Austin S. Hemmelgarn
2016-01-06 13:39 ` Austin S. Hemmelgarn

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