linux-kernel - Re: [PATCH 4/4] coredump: documentation for proc entry

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Message-ID: <20070302093543.GB2001@elf.ucw.cz>
Date:	Fri, 2 Mar 2007 10:35:43 +0100
From:	Pavel Machek <pavel@....cz>
To:	"Kawai, Hidehiro" <hidehiro.kawai.ez@...achi.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Robin Holt <holt@....com>, David Howells <dhowells@...hat.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	sugita <yumiko.sugita.yf@...achi.com>,
	Satoshi OSHIMA <soshima@...hat.com>,
	Hideo AOKI <haoki@...hat.com>
Subject: Re: [PATCH 4/4] coredump: documentation for proc entry

Hi!

> +If you don't want to dump all shared memory segments attached to pid 1234,
> +write 0 to the process's proc file.
> +
> +  $ echo 1 > /proc/1234/coredump_omit_anonymous_shared

Write 0?

> +When a new process is created, the process inherits the flag status from its
> +parent. It is useful to set the flag before the program runs.
> +For example:
> +
> +  $ echo 1 > /proc/self/coredump_omit_anonymous_shared
> +  $ ./some_program
> +

Notice that this docs is wrong. You have to retry until kernel stops
producing spurious errors.
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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