linux-kernel - Re: [PATCH 1/2] core dump: drop VM

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Message-Id: <20120307194302.7BD142C0C3@topped-with-meat.com>
Date:	Wed,  7 Mar 2012 11:43:02 -0800 (PST)
From:	Roland McGrath <roland@...k.frob.com>
To:	Jason Baron <jbaron@...hat.com>
CC:	akpm@...ux-foundation.org, avi@...hat.com,
	linux-kernel@...r.kernel.org, qemu-devel@...gnu.org
Subject: Re: [PATCH 1/2] core dump: drop VM_ALWAYSDUMP flag

> well, sure, we can provide an arch interface, for this check. I'm more
> concerned with the general idea. If it seems ok, I can re-do this bit
> with an arch interface.

Anything based on strcmp is dismal.  VM_ALWAYSDUMP was nice and clean.
A hook along the lines of arch_vma_name would be clean enough I suppose.
In fact, there is only one instance today (tile) where arch_vma_name()!=NULL
wouldn't do just what you need.


Thanks,
Roland
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