linux-kernel - Re: [PATCH 3/4] coredump: ELF-FDPIC: enable to omit anonymous shared memory

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Message-ID: <20070216165042.GB409@lnx-holt.americas.sgi.com>
Date:	Fri, 16 Feb 2007 10:50:42 -0600
From:	Robin Holt <holt@....com>
To:	David Howells <dhowells@...hat.com>
Cc:	"Kawai, Hidehiro" <hidehiro.kawai.ez@...achi.com>,
	Andrew Morton <akpm@...l.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@....cz>, Robin Holt <holt@....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@...hat" <haoki@...hat.com>
Subject: Re: [PATCH 3/4] coredump: ELF-FDPIC: enable to omit anonymous shared memory

On Fri, Feb 16, 2007 at 03:05:35PM +0000, David Howells wrote:
> Actually, I think I would just pass the mm pointer you have into maydump() and
> let that dereference it here:
> 
> > +		if (omit_anon_shared) {
> 
> which would then be:
> 
> 		if (mm->coredump_omit_anon_shared) {

How about:
		if (vma->vm_mm->coredump_omit_anon_shared) {

Then the calls to maydump() would be unchanged:
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